Attachment 872439 Details for Bug 1219546

serial log

gnome-failure.txt (text/plain), 526.33 KB, created by Richard Fan on 2024-02-05 02:51:36 UTC

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Creator: Richard Fan

Created: 2024-02-05 02:51:36 UTC

Size: 526.33 KB

patch

obsolete

>openQA
>All Tests
>Job Groups
>Type to search
>Logged in as rfan1 
>Results for #13432306 sle-15-SP6-Online-x86_64-Build50.1-extra_tests_gnome@svirt-xen-pv
>5  1  7 Result: failed, finished 26 minutes ago (11:49 minutes) 
> 
>Clone of 13390838 (restarted already 1 time)
>Scheduled product: job has not been created by posting an ISO (but possibly the original job)
>Assigned worker: openqaworker1:2
>Maintainer: QE Core, asmorodskyi. Extra tests which were designed to run on gnome , VNC_STALL_THRESHOLD is needed for xen svirt to don't turn off the scrreen after default 4 sec
>
>New version of extra_tests_on_gnome for yaml scheduling
>
>Details
>Logs & Assets
>Settings
>Investigation
>Comments (1)
>Next & previous results
>Test	Result	References
> installation
>bootloader_start
>46s 
>passed	bootloader_svirt                                        Connected to domain 'openQA-SUT-4'
>Escape character is ^] (Ctrl + ])
>[30m[47mWelcome to GRUB!
>
>
>[37m[40m[37m[40m[â¦ 
> boot
>boot_to_desktop
>52s 
>passed	 [22;1H   The highlighted entry will be executed automatically in 7s.                 [5;78H[22;1H   The highlighted eâ¦
> console
>system_prepare
>1m 17s 
>passed	     YpuUt-0-
>   
>XzMBI-0-
> skip virtio  
>WgXp8-0-
>  
>MtukM-0-
>  
>WgXp8-0-
>  
>UfVk_-0-
>  
>OSm16
>type=AVC msg=audit(1706331478.327:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lsb_râ¦ AVC 
>prepare_test_data
>48s 
>passed	  XzMBI-0-
>      
>YpuUt-0-
>   
>Kb8aE-0-
>  
>YdJUw-0-
> 
>consoletest_setup
>1m 22s 
>passed	  M1XhL-0-
>  
>cdNBh-0-
>  
>5N6kT-0-
>  
>mkHIT-0-
>  
>hi9zj-0-
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>ocrrl-0-
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>qGu27-0-
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>Yfaz~-0-
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>XZS84-0-
>   
>0Bjju-0-
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>UfVk_-0-
>  
>OSm16
>type=AVC msg=audit(1706331478.327:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lsb_râ¦ 
> x11
>x11_setup
>4m 33s 
>failed	  XzMBI-0-
>   Failed   hBshn-0-
>  
>P3uHl-0-
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>FDp6k-0-
>  
>[  499.224038][    C0] sysrq: Show State
>[  499.224087][    C0] task:systemd         state:S stack:0     pid:1     tgidâ¦ 
># wait_serial expected: qr/sysrq\s*:\s+show\s+blocked\s+state/i
># Result:
>
>[  499.224038][    C0] sysrq: Show State
>[  499.224087][    C0] task:systemd         state:S stack:0     pid:1     tgid:1     ppid:0      flags:0x00000002
>[  499.224130][    C0] Call Trace:
>[  499.224147][    C0]  <TASK>
>[  499.224166][    C0]  __schedule+0x381/0x1530
>[  499.224202][    C0]  ? ____sys_sendmsg+0x207/0x2a0
>[  499.224230][    C0]  schedule+0x24/0xb0
>[  499.224253][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  499.224284][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  499.224310][    C0]  ? ep_done_scan+0xb9/0x100
>[  499.224337][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  499.224362][    C0]  ? ep_done_scan+0xb9/0x100
>[  499.224387][    C0]  do_epoll_wait+0x59b/0x6f0
>[  499.224417][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  499.224447][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  499.224472][    C0]  ? __sys_sendmsg+0x5e/0xa0
>[  499.224498][    C0]  do_syscall_64+0x5b/0x80
>[  499.224524][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  499.224548][    C0]  ? _copy_to_user+0x20/0x40
>[  499.224577][    C0]  ? put_timespec64+0x3c/0x70
>[  499.224602][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  499.224629][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  499.224654][    C0]  ? __task_pid_nr_ns+0x97/0xb0
>[  499.224681][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  499.224707][    C0]  ? do_syscall_64+0x67/0x80
>[  499.224727][    C0]  ? do_syscall_64+0x67/0x80
>[  499.224748][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  499.224780][    C0] RIP: 0033:0x7fe359d2de23
>[  499.224820][    C0] RSP: 002b:00007ffdcaa8d518 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  499.224850][    C0] RAX: ffffffffffffffda RBX: 00000000000000a8 RCX: 00007fe359d2de23
>[  499.224876][    C0] RDX: 00000000000000a8 RSI: 000056552b41ced0 RDI: 0000000000000004
>[  499.224902][    C0] RBP: 000056552b211770 R08: 000000001d06cee6 R09: 0000000000000007
>[  499.224928][    C0] R10: 00000000ffffffff R11: 0000000000000202 R12: 000056552b41ced0
>[  499.224953][    C0] R13: 0000000000000055 R14: 0000000000000004 R15: ffffffffffffffff
>[  499.224984][    C0]  </TASK>
>[  499.224998][    C0] task:kthreadd        state:S stack:0     pid:2     tgid:2     ppid:0      flags:0x00004000
>[  499.225034][    C0] Call Trace:
>[  499.225048][    C0]  <TASK>
>[  499.225060][    C0]  __schedule+0x381/0x1530
>[  499.225087][    C0]  ? kernel_thread+0x6b/0x90
>[  499.225123][    C0]  schedule+0x24/0xb0
>[  499.225147][    C0]  kthreadd+0x30d/0x320
>[  499.225170][    C0]  ? __pfx_kthreadd+0x10/0x10
>[  499.225191][    C0]  ret_from_fork+0x2c/0x50
>[  499.225218][    C0]  </TASK>
>[  499.225233][    C0] task:rcu_gp          state:I stack:0     pid:3     tgid:3     ppid:2      flags:0x00004000
>[  499.225272][    C0] Call Trace:
>[  499.225286][    C0]  <TASK>
>[  499.225299][    C0]  __schedule+0x381/0x1530
>[  499.225325][    C0]  ? set_next_entity+0xdf/0x190
>[  499.225356][    C0]  schedule+0x24/0xb0
>[  499.225379][    C0]  rescuer_thread+0x2d8/0x360
>[  499.225405][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.225430][    C0]  kthread+0xe1/0x120
>[  499.225455][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.225481][    C0]  ret_from_fork+0x2c/0x50
>[  499.225505][    C0]  </TASK>
>[  499.225520][    C0] task:rcu_par_gp      state:I stack:0     pid:4     tgid:4     ppid:2      flags:0x00004000
>[  499.225558][    C0] Call Trace:
>[  499.225590][    C0]  <TASK>
>[  499.225619][    C0]  __schedule+0x381/0x1530
>[  499.225664][    C0]  ? set_next_entity+0xdf/0x190
>[  499.225701][    C0]  schedule+0x24/0xb0
>[  499.225735][    C0]  rescuer_thread+0x2d8/0x360
>[  499.225775][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.225875][    C0]  kthread+0xe1/0x120
>[  499.225903][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.225931][    C0]  ret_from_fork+0x2c/0x50
>[  499.225960][    C0]  </TASK>
>[  499.225986][    C0] task:slub_flushwq    state:I stack:0     pid:5     tgid:5     ppid:2      flags:0x00004000
>[  499.226044][    C0] Call Trace:
>[  499.226068][    C0]  <TASK>
>[  499.226094][    C0]  __schedule+0x381/0x1530
>[  499.226138][    C0]  ? set_next_entity+0xdf/0x190
>[  499.226169][    C0]  schedule+0x24/0xb0
>[  499.226193][    C0]  rescuer_thread+0x2d8/0x360
>[  499.226233][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.226269][    C0]  kthread+0xe1/0x120
>[  499.226305][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.226332][    C0]  ret_from_fork+0x2c/0x50
>[  499.226356][    C0]  </TASK>
>[  499.226370][    C0] task:netns           state:I stack:0     pid:6     tgid:6     ppid:2      flags:0x00004000
>[  499.226404][    C0] Call Trace:
>[  499.226418][    C0]  <TASK>
>[  499.226431][    C0]  __schedule+0x381/0x1530
>[  499.226466][    C0]  ? set_next_entity+0xdf/0x190
>[  499.226496][    C0]  schedule+0x24/0xb0
>[  499.226518][    C0]  rescuer_thread+0x2d8/0x360
>[  499.226542][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.226565][    C0]  kthread+0xe1/0x120
>[  499.226588][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.226614][    C0]  ret_from_fork+0x2c/0x50
>[  499.226638][    C0]  </TASK>
>[  499.226652][    C0] task:kworker/0:0H    state:I stack:0     pid:8     tgid:8     ppid:2      flags:0x00004000
>[  499.226686][    C0] Workqueue:  0x0 (events_highpri)
>[  499.226718][    C0] Call Trace:
>[  499.226733][    C0]  <TASK>
>[  499.226746][    C0]  __schedule+0x381/0x1530
>[  499.226772][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  499.226798][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  499.226827][    C0]  ? fill_page_cache_func+0x62/0xf0
>[  499.226856][    C0]  schedule+0x24/0xb0
>[  499.226878][    C0]  worker_thread+0xa0/0x3b0
>[  499.226901][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  499.226924][    C0]  kthread+0xe1/0x120
>[  499.226947][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.226974][    C0]  ret_from_fork+0x2c/0x50
>[  499.226997][    C0]  </TASK>
>[  499.227012][    C0] task:mm_percpu_wq    state:I stack:0     pid:11    tgid:11    ppid:2      flags:0x00004000
>[  499.227046][    C0] Call Trace:
>[  499.227060][    C0]  <TASK>
>[  499.227073][    C0]  __schedule+0x381/0x1530
>[  499.227099][    C0]  ? set_next_entity+0xdf/0x190
>[  499.227128][    C0]  schedule+0x24/0xb0
>[  499.227150][    C0]  rescuer_thread+0x2d8/0x360
>[  499.424570][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.424593][    C0]  kthread+0xe1/0x120
>[  499.424599][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.424605][    C0]  ret_from_fork+0x2c/0x50
>[  499.424621][    C0]  </TASK>
>[  499.424635][    C0] task:rcu_tasks_kthre state:I stack:0     pid:12    tgid:12    ppid:2      flags:0x00004000
>[  499.424648][    C0] Call Trace:
>[  499.424653][    C0]  <TASK>
>[  499.424659][    C0]  __schedule+0x381/0x1530
>[  499.424670][    C0]  ? xen_load_sp0+0x16a/0x170
>[  499.424680][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  499.424692][    C0]  schedule+0x24/0xb0
>[  499.424701][    C0]  rcu_tasks_one_gp+0x1d3/0x3d0
>[  499.424711][    C0]  ? __pfx_rcu_tasks_kthread+0x10/0x10
>[  499.424721][    C0]  rcu_tasks_kthread+0x2e/0x40
>[  499.424728][    C0]  kthread+0xe1/0x120
>[  499.424737][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.424745][    C0]  ret_from_fork+0x2c/0x50
>[  499.424754][    C0]  </TASK>
>[  499.424760][    C0] task:rcu_tasks_rude_ state:I stack:0     pid:13    tgid:13    ppid:2      flags:0x00004000
>[  499.424772][    C0] Call Trace:
>[  499.424778][    C0]  <TASK>
>[  499.424782][    C0]  __schedule+0x381/0x1530
>[  499.424792][    C0]  ? xen_load_sp0+0x16a/0x170
>[  499.424801][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  499.424811][    C0]  schedule+0x24/0xb0
>[  499.424819][    C0]  rcu_tasks_one_gp+0x1d3/0x3d0
>[  499.424829][    C0]  ? __pfx_rcu_tasks_kthread+0x10/0x10
>[  499.424836][    C0]  rcu_tasks_kthread+0x2e/0x40
>[  499.424841][    C0]  kthread+0xe1/0x120
>[  499.424847][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.424857][    C0]  ret_from_fork+0x2c/0x50
>[  499.424865][    C0]  </TASK>
>[  499.424869][    C0] task:rcu_tasks_trace state:I stack:0     pid:14    tgid:14    ppid:2      flags:0x00004000
>[  499.424876][    C0] Call Trace:
>[  499.424880][    C0]  <TASK>
>[  499.424884][    C0]  __schedule+0x381/0x1530
>[  499.424893][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  499.424901][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  499.424908][    C0]  schedule+0x24/0xb0
>[  499.424914][    C0]  rcu_tasks_one_gp+0x1d3/0x3d0
>[  499.424923][    C0]  ? __pfx_rcu_tasks_kthread+0x10/0x10
>[  499.424931][    C0]  rcu_tasks_kthread+0x2e/0x40
>[  499.424939][    C0]  kthread+0xe1/0x120
>[  499.424945][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.424955][    C0]  ret_from_fork+0x2c/0x50
>[  499.424964][    C0]  </TASK>
>[  499.424971][    C0] task:ksoftirqd/0     state:S stack:0     pid:15    tgid:15    ppid:2      flags:0x00004000
>[  499.424985][    C0] Call Trace:
>[  499.424990][    C0]  <TASK>
>[  499.424995][    C0]  __schedule+0x381/0x1530
>[  499.425005][    C0]  ? rcu_core+0xfc/0x3c0
>[  499.425011][    C0]  ? rcu_softirq_qs+0x22/0x90
>[  499.425016][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
>[  499.425023][    C0]  schedule+0x24/0xb0
>[  499.425028][    C0]  smpboot_thread_fn+0x19a/0x1d0
>[  499.425034][    C0]  kthread+0xe1/0x120
>[  499.425049][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.425055][    C0]  ret_from_fork+0x2c/0x50
>[  499.425060][    C0]  </TASK>
>[  499.425064][    C0] task:rcu_preempt     state:I stack:0     pid:16    tgid:16    ppid:2      flags:0x00004000
>[  499.425081][    C0] Call Trace:
>[  499.425085][    C0]  <TASK>
>[  499.425088][    C0]  __schedule+0x381/0x1530
>[  499.425094][    C0]  ? rcu_accelerate_cbs+0x28/0x1d0
>[  499.425100][    C0]  ? __pfx__raw_spin_lock+0x10/0x10
>[  499.425106][    C0]  ? rcu_accelerate_cbs+0x28/0x1d0
>[  499.425112][    C0]  ? __pfx_rcu_gp_kthread+0x10/0x10
>[  499.425117][    C0]  schedule+0x24/0xb0
>[  499.425122][    C0]  rcu_gp_kthread+0x1fe/0x290
>[  499.425137][    C0]  kthread+0xe1/0x120
>[  499.425142][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.425157][    C0]  ret_from_fork+0x2c/0x50
>[  499.425163][    C0]  </TASK>
>[  499.425166][    C0] task:migration/0     state:S stack:0     pid:17    tgid:17    ppid:2      flags:0x00004000
>[  499.425173][    C0] Stopper: 0x0 <- 0x0
>[  499.425184][    C0] Call Trace:
>[  499.425197][    C0]  <TASK>
>[  499.425200][    C0]  __schedule+0x381/0x1530
>[  499.425215][    C0]  ? xen_force_evtchn_callback+0x9/0x10
>[  499.425222][    C0]  ? __pfx__raw_spin_lock+0x10/0x10
>[  499.425228][    C0]  ? complete_with_flags+0x1d/0x60
>[  499.425235][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
>[  499.425240][    C0]  schedule+0x24/0xb0
>[  499.425255][    C0]  smpboot_thread_fn+0x19a/0x1d0
>[  499.425261][    C0]  kthread+0xe1/0x120
>[  499.425276][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.425282][    C0]  ret_from_fork+0x2c/0x50
>[  499.425287][    C0]  </TASK>
>[  499.624186][    C0] task:idle_inject/0   state:S stack:0     pid:18    tgid:18    ppid:2      flags:0x00004000
>[  499.624202][    C0] Call Trace:
>[  499.624216][    C0]  <TASK>
>[  499.624222][    C0]  __schedule+0x381/0x1530
>[  499.624233][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
>[  499.624251][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
>[  499.624256][    C0]  schedule+0x24/0xb0
>[  499.624262][    C0]  smpboot_thread_fn+0x19a/0x1d0
>[  499.624267][    C0]  kthread+0xe1/0x120
>[  499.624274][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.624280][    C0]  ret_from_fork+0x2c/0x50
>[  499.624286][    C0]  </TASK>
>[  499.624299][    C0] task:cpuhp/0         state:S stack:0     pid:19    tgid:19    ppid:2      flags:0x00004000
>[  499.624307][    C0] Call Trace:
>[  499.624311][    C0]  <TASK>
>[  499.624314][    C0]  __schedule+0x381/0x1530
>[  499.624320][    C0]  ? clean_sort_range+0x80/0x110
>[  499.624325][    C0]  ? swake_up_locked.part.58+0x1a/0x40
>[  499.624333][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
>[  499.624338][    C0]  schedule+0x24/0xb0
>[  499.624343][    C0]  smpboot_thread_fn+0x19a/0x1d0
>[  499.624349][    C0]  kthread+0xe1/0x120
>[  499.624354][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.624360][    C0]  ret_from_fork+0x2c/0x50
>[  499.624366][    C0]  </TASK>
>[  499.624369][    C0] task:kdevtmpfs       state:S stack:0     pid:21    tgid:21    ppid:2      flags:0x00004000
>[  499.624377][    C0] Call Trace:
>[  499.624381][    C0]  <TASK>
>[  499.624384][    C0]  __schedule+0x381/0x1530
>[  499.624389][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  499.624395][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  499.624401][    C0]  schedule+0x24/0xb0
>[  499.624406][    C0]  devtmpfs_work_loop+0x28a/0x290
>[  499.624414][    C0]  ? __pfx_devtmpfsd+0x10/0x10
>[  499.624419][    C0]  devtmpfsd+0x2a/0x30
>[  499.624424][    C0]  kthread+0xe1/0x120
>[  499.624429][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.624435][    C0]  ret_from_fork+0x2c/0x50
>[  499.624440][    C0]  </TASK>
>[  499.624444][    C0] task:inet_frag_wq    state:I stack:0     pid:22    tgid:22    ppid:2      flags:0x00004000
>[  499.624452][    C0] Call Trace:
>[  499.624456][    C0]  <TASK>
>[  499.624459][    C0]  __schedule+0x381/0x1530
>[  499.624465][    C0]  ? set_next_entity+0xdf/0x190
>[  499.624471][    C0]  schedule+0x24/0xb0
>[  499.624477][    C0]  rescuer_thread+0x2d8/0x360
>[  499.624483][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.624488][    C0]  kthread+0xe1/0x120
>[  499.624493][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.624499][    C0]  ret_from_fork+0x2c/0x50
>[  499.624505][    C0]  </TASK>
>[  499.624508][    C0] task:kauditd         state:S stack:0     pid:24    tgid:24    ppid:2      flags:0x00004000
>[  499.624516][    C0] Call Trace:
>[  499.624519][    C0]  <TASK>
>[  499.624524][    C0]  __schedule+0x381/0x1530
>[  499.624537][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  499.624546][    C0]  schedule+0x24/0xb0
>[  499.624554][    C0]  kauditd_thread+0x190/0x280
>[  499.624563][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  499.624573][    C0]  ? __pfx_kauditd_thread+0x10/0x10
>[  499.624580][    C0]  kthread+0xe1/0x120
>[  499.624587][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.624596][    C0]  ret_from_fork+0x2c/0x50
>[  499.624605][    C0]  </TASK>
>[  499.624611][    C0] task:xenbus          state:S stack:0     pid:25    tgid:25    ppid:2      flags:0x00004000
>[  499.624623][    C0] Call Trace:
>[  499.624628][    C0]  <TASK>
>[  499.624633][    C0]  __schedule+0x381/0x1530
>[  499.624642][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  499.624652][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  499.624662][    C0]  schedule+0x24/0xb0
>[  499.624670][    C0]  xenbus_thread+0x49c/0x820
>[  499.624685][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  499.624696][    C0]  ? __pfx_xenbus_thread+0x10/0x10
>[  499.624705][    C0]  kthread+0xe1/0x120
>[  499.624759][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.624768][    C0]  ret_from_fork+0x2c/0x50
>[  499.624774][    C0]  </TASK>
>[  499.624781][    C0] task:xenwatch        state:S stack:0     pid:26    tgid:26    ppid:2      flags:0x00004000
>[  499.624797][    C0] Call Trace:
>[  499.624803][    C0]  <TASK>
>[  499.624807][    C0]  __schedule+0x381/0x1530
>[  499.624817][    C0]  ? xenbus_scanf+0x74/0xb0
>[  499.624828][    C0]  schedule+0x24/0xb0
>[  499.624849][    C0]  xenwatch_thread+0x13f/0x180
>[  499.624858][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  499.624871][    C0]  ? __pfx_xenwatch_thread+0x10/0x10
>[  499.624882][    C0]  kthread+0xe1/0x120
>[  499.624891][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.624897][    C0]  ret_from_fork+0x2c/0x50
>[  499.624903][    C0]  </TASK>
>[  499.624906][    C0] task:khungtaskd      state:S stack:0     pid:27    tgid:27    ppid:2      flags:0x00004000
>[  499.624915][    C0] Call Trace:
>[  499.624919][    C0]  <TASK>
>[  499.624923][    C0]  __schedule+0x381/0x1530
>[  499.624930][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  499.624937][    C0]  ? lock_timer_base+0x67/0x90
>[  499.624942][    C0]  ? __pfx_watchdog+0x10/0x10
>[  499.624950][    C0]  schedule+0x24/0xb0
>[  499.624955][    C0]  schedule_timeout+0x212/0x290
>[  499.624961][    C0]  ? __pfx_process_timeout+0x10/0x10
>[  499.624967][    C0]  ? __pfx_watchdog+0x10/0x10
>[  499.624973][    C0]  watchdog+0x57/0x520
>[  499.624979][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  499.624985][    C0]  ? __pfx_watchdog+0x10/0x10
>[  499.624990][    C0]  kthread+0xe1/0x120
>[  499.624998][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.625005][    C0]  ret_from_fork+0x2c/0x50
>[  499.625011][    C0]  </TASK>
>[  499.625014][    C0] task:oom_reaper      state:S stack:0     pid:28    tgid:28    ppid:2      flags:0x00004000
>[  499.625022][    C0] Call Trace:
>[  499.625025][    C0]  <TASK>
>[  499.625028][    C0]  __schedule+0x381/0x1530
>[  499.625034][    C0]  ? xen_load_sp0+0x16a/0x170
>[  499.625042][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  499.625049][    C0]  ? __pfx_oom_reaper+0x10/0x10
>[  499.625056][    C0]  schedule+0x24/0xb0
>[  499.625071][    C0]  oom_reaper+0x1f2/0x3e0
>[  499.625077][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  499.625084][    C0]  ? __pfx_oom_reaper+0x10/0x10
>[  499.625089][    C0]  kthread+0xe1/0x120
>[  499.625104][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.625110][    C0]  ret_from_fork+0x2c/0x50
>[  499.824186][    C0]  </TASK>
>[  499.824208][    C0] task:kworker/u2:2    state:I stack:0     pid:29    tgid:29    ppid:2      flags:0x00004000
>[  499.824228][    C0] Workqueue:  0x0 (flush-btrfs-1)
>[  499.824254][    C0] Call Trace:
>[  499.824258][    C0]  <TASK>
>[  499.824271][    C0]  __schedule+0x381/0x1530
>[  499.824279][    C0]  ? internal_add_timer+0x42/0x70
>[  499.824287][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  499.824293][    C0]  schedule+0x24/0xb0
>[  499.824309][    C0]  worker_thread+0xa0/0x3b0
>[  499.824314][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  499.824319][    C0]  kthread+0xe1/0x120
>[  499.824325][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.824331][    C0]  ret_from_fork+0x2c/0x50
>[  499.824338][    C0]  </TASK>
>[  499.824341][    C0] task:writeback       state:I stack:0     pid:30    tgid:30    ppid:2      flags:0x00004000
>[  499.824350][    C0] Call Trace:
>[  499.824353][    C0]  <TASK>
>[  499.824356][    C0]  __schedule+0x381/0x1530
>[  499.824362][    C0]  ? set_next_entity+0xdf/0x190
>[  499.824379][    C0]  schedule+0x24/0xb0
>[  499.824394][    C0]  rescuer_thread+0x2d8/0x360
>[  499.824400][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.824405][    C0]  kthread+0xe1/0x120
>[  499.824410][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.824416][    C0]  ret_from_fork+0x2c/0x50
>[  499.824422][    C0]  </TASK>
>[  499.824425][    C0] task:kcompactd0      state:S stack:0     pid:31    tgid:31    ppid:2      flags:0x00004000
>[  499.824433][    C0] Call Trace:
>[  499.824437][    C0]  <TASK>
>[  499.824440][    C0]  __schedule+0x381/0x1530
>[  499.824446][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  499.824452][    C0]  ? lock_timer_base+0x67/0x90
>[  499.824457][    C0]  schedule+0x24/0xb0
>[  499.824462][    C0]  schedule_timeout+0x19c/0x290
>[  499.824468][    C0]  ? __pfx_process_timeout+0x10/0x10
>[  499.824474][    C0]  kcompactd+0x232/0x2e0
>[  499.824481][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  499.824489][    C0]  ? __pfx_kcompactd+0x10/0x10
>[  499.824494][    C0]  kthread+0xe1/0x120
>[  499.824500][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.824506][    C0]  ret_from_fork+0x2c/0x50
>[  499.824511][    C0]  </TASK>
>[  499.824514][    C0] task:ksmd            state:S stack:0     pid:32    tgid:32    ppid:2      flags:0x00004000
>[  499.824522][    C0] Call Trace:
>[  499.824525][    C0]  <TASK>
>[  499.824528][    C0]  __schedule+0x381/0x1530
>[  499.824535][    C0]  ? set_next_entity+0xdf/0x190
>[  499.824541][    C0]  ? __pfx_ksm_scan_thread+0x10/0x10
>[  499.824547][    C0]  schedule+0x24/0xb0
>[  499.824553][    C0]  ksm_scan_thread+0x20c/0x1be0
>[  499.824558][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  499.824564][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  499.824570][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  499.824585][    C0]  ? __pfx_ksm_scan_thread+0x10/0x10
>[  499.824592][    C0]  kthread+0xe1/0x120
>[  499.824600][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.824606][    C0]  ret_from_fork+0x2c/0x50
>[  499.824613][    C0]  </TASK>
>[  499.824619][    C0] task:kintegrityd     state:I stack:0     pid:33    tgid:33    ppid:2      flags:0x00004000
>[  499.824630][    C0] Call Trace:
>[  499.824635][    C0]  <TASK>
>[  499.824639][    C0]  __schedule+0x381/0x1530
>[  499.824647][    C0]  ? set_next_entity+0xdf/0x190
>[  499.824654][    C0]  schedule+0x24/0xb0
>[  499.824660][    C0]  rescuer_thread+0x2d8/0x360
>[  499.824668][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.824674][    C0]  kthread+0xe1/0x120
>[  499.824679][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.824686][    C0]  ret_from_fork+0x2c/0x50
>[  499.824695][    C0]  </TASK>
>[  499.824698][    C0] task:kblockd         state:I stack:0     pid:34    tgid:34    ppid:2      flags:0x00004000
>[  499.824706][    C0] Call Trace:
>[  499.824709][    C0]  <TASK>
>[  499.824713][    C0]  __schedule+0x381/0x1530
>[  499.824721][    C0]  ? set_next_entity+0xdf/0x190
>[  499.824730][    C0]  schedule+0x24/0xb0
>[  499.824737][    C0]  rescuer_thread+0x2d8/0x360
>[  499.824742][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.824750][    C0]  kthread+0xe1/0x120
>[  499.824755][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.824761][    C0]  ret_from_fork+0x2c/0x50
>[  499.824767][    C0]  </TASK>
>[  499.824773][    C0] task:blkcg_punt_bio  state:I stack:0     pid:35    tgid:35    ppid:2      flags:0x00004000
>[  499.824782][    C0] Call Trace:
>[  499.824787][    C0]  <TASK>
>[  499.824791][    C0]  __schedule+0x381/0x1530
>[  499.824797][    C0]  ? set_next_entity+0xdf/0x190
>[  499.824809][    C0]  schedule+0x24/0xb0
>[  499.824814][    C0]  rescuer_thread+0x2d8/0x360
>[  499.824820][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.824825][    C0]  kthread+0xe1/0x120
>[  499.824831][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.824839][    C0]  ret_from_fork+0x2c/0x50
>[  499.824844][    C0]  </TASK>
>[  499.824847][    C0] task:xen-balloon     state:S stack:0     pid:36    tgid:36    ppid:2      flags:0x00004000
>[  499.824855][    C0] Call Trace:
>[  499.824862][    C0]  <TASK>
>[  499.824869][    C0]  __schedule+0x381/0x1530
>[  499.824878][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  499.824886][    C0]  ? lock_timer_base+0x67/0x90
>[  499.824894][    C0]  schedule+0x24/0xb0
>[  499.824899][    C0]  schedule_timeout+0x19c/0x290
>[  499.824905][    C0]  ? __pfx_process_timeout+0x10/0x10
>[  499.824911][    C0]  balloon_thread+0x21c/0x4a0
>[  499.824919][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  499.824927][    C0]  ? __pfx_balloon_thread+0x10/0x10
>[  499.824931][    C0]  kthread+0xe1/0x120
>[  499.824937][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.824943][    C0]  ret_from_fork+0x2c/0x50
>[  499.824948][    C0]  </TASK>
>[  499.824952][    C0] task:tpm_dev_wq      state:I stack:0     pid:37    tgid:37    ppid:2      flags:0x00004000
>[  499.824960][    C0] Call Trace:
>[  499.824963][    C0]  <TASK>
>[  499.824966][    C0]  __schedule+0x381/0x1530
>[  499.824972][    C0]  ? set_next_entity+0xdf/0x190
>[  499.824978][    C0]  schedule+0x24/0xb0
>[  499.824983][    C0]  rescuer_thread+0x2d8/0x360
>[  499.824988][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.824994][    C0]  kthread+0xe1/0x120
>[  499.825001][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.825009][    C0]  ret_from_fork+0x2c/0x50
>[  499.825015][    C0]  </TASK>
>[  499.825018][    C0] task:edac-poller     state:I stack:0     pid:38    tgid:38    ppid:2      flags:0x00004000
>[  499.825026][    C0] Call Trace:
>[  499.825029][    C0]  <TASK>
>[  499.825032][    C0]  __schedule+0x381/0x1530
>[  499.825038][    C0]  ? set_next_entity+0xdf/0x190
>[  499.825044][    C0]  schedule+0x24/0xb0
>[  499.825049][    C0]  rescuer_thread+0x2d8/0x360
>[  499.825055][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  499.825060][    C0]  kthread+0xe1/0x120
>[  499.825065][    C0]  ? __pfx_kthread+0x10/0x10
>[  499.825071][    C0]  ret_from_fork+0x2c/0x50
>[  500.024200][    C0]  </TASK>
>[  500.024212][    C0] task:devfreq_wq      state:I stack:0     pid:39    tgid:39    ppid:2      flags:0x00004000
>[  500.024223][    C0] Call Trace:
>[  500.024227][    C0]  <TASK>
>[  500.024231][    C0]  __schedule+0x381/0x1530
>[  500.024242][    C0]  ? set_next_entity+0xdf/0x190
>[  500.024251][    C0]  schedule+0x24/0xb0
>[  500.024256][    C0]  rescuer_thread+0x2d8/0x360
>[  500.024263][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.024269][    C0]  kthread+0xe1/0x120
>[  500.024275][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.024281][    C0]  ret_from_fork+0x2c/0x50
>[  500.024287][    C0]  </TASK>
>[  500.024291][    C0] task:watchdogd       state:S stack:0     pid:40    tgid:40    ppid:2      flags:0x00004000
>[  500.024299][    C0] Call Trace:
>[  500.024303][    C0]  <TASK>
>[  500.024306][    C0]  __schedule+0x381/0x1530
>[  500.024312][    C0]  ? __schedule+0x389/0x1530
>[  500.024318][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  500.024323][    C0]  ? __pfx_kthread_worker_fn+0x10/0x10
>[  500.024330][    C0]  schedule+0x24/0xb0
>[  500.024335][    C0]  kthread_worker_fn+0x120/0x230
>[  500.024341][    C0]  ? __pfx_kthread_worker_fn+0x10/0x10
>[  500.024347][    C0]  kthread+0xe1/0x120
>[  500.024353][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.024359][    C0]  ret_from_fork+0x2c/0x50
>[  500.024364][    C0]  </TASK>
>[  500.024367][    C0] task:kworker/0:1H    state:I stack:0     pid:41    tgid:41    ppid:2      flags:0x00004000
>[  500.024376][    C0] Workqueue:  0x0 (kblockd)
>[  500.024392][    C0] Call Trace:
>[  500.024395][    C0]  <TASK>
>[  500.024399][    C0]  __schedule+0x381/0x1530
>[  500.024405][    C0]  ? blk_mq_sched_dispatch_requests+0x33/0x60
>[  500.024412][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  500.024418][    C0]  schedule+0x24/0xb0
>[  500.024423][    C0]  worker_thread+0xa0/0x3b0
>[  500.024428][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  500.024434][    C0]  kthread+0xe1/0x120
>[  500.024439][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.024445][    C0]  ret_from_fork+0x2c/0x50
>[  500.024450][    C0]  </TASK>
>[  500.024454][    C0] task:kswapd0         state:S stack:0     pid:42    tgid:42    ppid:2      flags:0x00004000
>[  500.024461][    C0] Call Trace:
>[  500.024465][    C0]  <TASK>
>[  500.024467][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  500.024475][    C0]  __schedule+0x381/0x1530
>[  500.024482][    C0]  ? __timer_delete_sync+0x2c/0x40
>[  500.024488][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  500.024494][    C0]  schedule+0x24/0xb0
>[  500.024499][    C0]  kswapd+0x394/0x3b0
>[  500.024506][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  500.024513][    C0]  ? __pfx_kswapd+0x10/0x10
>[  500.024518][    C0]  kthread+0xe1/0x120
>[  500.024523][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.024529][    C0]  ret_from_fork+0x2c/0x50
>[  500.024535][    C0]  </TASK>
>[  500.024538][    C0] task:kthrotld        state:I stack:0     pid:48    tgid:48    ppid:2      flags:0x00004000
>[  500.024546][    C0] Call Trace:
>[  500.024550][    C0]  <TASK>
>[  500.024553][    C0]  __schedule+0x381/0x1530
>[  500.024559][    C0]  ? set_next_entity+0xdf/0x190
>[  500.024567][    C0]  schedule+0x24/0xb0
>[  500.024578][    C0]  rescuer_thread+0x2d8/0x360
>[  500.024586][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.024592][    C0]  kthread+0xe1/0x120
>[  500.024600][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.024606][    C0]  ret_from_fork+0x2c/0x50
>[  500.024611][    C0]  </TASK>
>[  500.024616][    C0] task:kworker/0:2     state:I stack:0     pid:50    tgid:50    ppid:2      flags:0x00004000
>[  500.024626][    C0] Workqueue:  0x0 (events)
>[  500.024633][    C0] Call Trace:
>[  500.024637][    C0]  <TASK>
>[  500.024642][    C0]  __schedule+0x381/0x1530
>[  500.024648][    C0]  ? prb_read_valid+0x17/0x20
>[  500.024655][    C0]  ? console_callback+0xdf/0x160
>[  500.024662][    C0]  schedule+0x24/0xb0
>[  500.024670][    C0]  worker_thread+0xa0/0x3b0
>[  500.024675][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  500.024680][    C0]  kthread+0xe1/0x120
>[  500.024690][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.024701][    C0]  ret_from_fork+0x2c/0x50
>[  500.024707][    C0]  </TASK>
>[  500.024713][    C0] task:khvcd           state:S stack:0     pid:52    tgid:52    ppid:2      flags:0x00004000
>[  500.024726][    C0] Call Trace:
>[  500.024730][    C0]  <TASK>
>[  500.024737][    C0]  __schedule+0x381/0x1530
>[  500.024748][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  500.024760][    C0]  ? __pfx_khvcd+0x10/0x10
>[  500.024768][    C0]  schedule+0x24/0xb0
>[  500.024796][    C0]  khvcd+0x129/0x130
>[  500.024810][    C0]  kthread+0xe1/0x120
>[  500.024819][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.024829][    C0]  ret_from_fork+0x2c/0x50
>[  500.024838][    C0]  </TASK>
>[  500.024845][    C0] task:mld             state:I stack:0     pid:53    tgid:53    ppid:2      flags:0x00004000
>[  500.024860][    C0] Call Trace:
>[  500.024866][    C0]  <TASK>
>[  500.024872][    C0]  __schedule+0x381/0x1530
>[  500.024882][    C0]  ? set_next_entity+0xdf/0x190
>[  500.024893][    C0]  schedule+0x24/0xb0
>[  500.024901][    C0]  rescuer_thread+0x2d8/0x360
>[  500.024909][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.024916][    C0]  kthread+0xe1/0x120
>[  500.024922][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.024928][    C0]  ret_from_fork+0x2c/0x50
>[  500.024933][    C0]  </TASK>
>[  500.024937][    C0] task:ipv6_addrconf   state:I stack:0     pid:54    tgid:54    ppid:2      flags:0x00004000
>[  500.024955][    C0] Call Trace:
>[  500.024959][    C0]  <TASK>
>[  500.024962][    C0]  __schedule+0x381/0x1530
>[  500.024968][    C0]  ? set_next_entity+0xdf/0x190
>[  500.024974][    C0]  schedule+0x24/0xb0
>[  500.024979][    C0]  rescuer_thread+0x2d8/0x360
>[  500.024984][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.024989][    C0]  kthread+0xe1/0x120
>[  500.024994][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.025000][    C0]  ret_from_fork+0x2c/0x50
>[  500.025005][    C0]  </TASK>
>[  500.025008][    C0] task:kstrp           state:I stack:0     pid:59    tgid:59    ppid:2      flags:0x00004000
>[  500.025018][    C0] Call Trace:
>[  500.025031][    C0]  <TASK>
>[  500.025034][    C0]  __schedule+0x381/0x1530
>[  500.025040][    C0]  ? set_next_entity+0xdf/0x190
>[  500.025046][    C0]  schedule+0x24/0xb0
>[  500.025052][    C0]  rescuer_thread+0x2d8/0x360
>[  500.025057][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.025062][    C0]  kthread+0xe1/0x120
>[  500.224071][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.224094][    C0]  ret_from_fork+0x2c/0x50
>[  500.224101][    C0]  </TASK>
>[  500.224105][    C0] task:kworker/u3:0    state:I stack:0     pid:60    tgid:60    ppid:2      flags:0x00004000
>[  500.224115][    C0] Call Trace:
>[  500.224119][    C0]  <TASK>
>[  500.224122][    C0]  __schedule+0x381/0x1530
>[  500.224130][    C0]  ? __schedule+0x389/0x1530
>[  500.224135][    C0]  ? ttwu_do_activate+0x2/0x1e0
>[  500.224142][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  500.224148][    C0]  schedule+0x24/0xb0
>[  500.224153][    C0]  worker_thread+0xa0/0x3b0
>[  500.224158][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  500.224163][    C0]  kthread+0xe1/0x120
>[  500.224169][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.224175][    C0]  ret_from_fork+0x2c/0x50
>[  500.224181][    C0]  </TASK>
>[  500.224190][    C0] task:charger_manager state:I stack:0     pid:118   tgid:118   ppid:2      flags:0x00004000
>[  500.224203][    C0] Call Trace:
>[  500.224208][    C0]  <TASK>
>[  500.224213][    C0]  __schedule+0x381/0x1530
>[  500.224221][    C0]  ? set_next_entity+0xdf/0x190
>[  500.224231][    C0]  schedule+0x24/0xb0
>[  500.224240][    C0]  rescuer_thread+0x2d8/0x360
>[  500.224246][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.224251][    C0]  kthread+0xe1/0x120
>[  500.224256][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.224262][    C0]  ret_from_fork+0x2c/0x50
>[  500.224269][    C0]  </TASK>
>[  500.224272][    C0] task:kworker/0:3     state:I stack:0     pid:171   tgid:171   ppid:2      flags:0x00004000
>[  500.224281][    C0] Workqueue:  0x0 (cgroup_destroy)
>[  500.224303][    C0] Call Trace:
>[  500.224309][    C0]  <TASK>
>[  500.224313][    C0]  __schedule+0x381/0x1530
>[  500.224322][    C0]  ? cgroup_rstat_exit+0x75/0x90
>[  500.224330][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  500.224337][    C0]  schedule+0x24/0xb0
>[  500.224344][    C0]  worker_thread+0xa0/0x3b0
>[  500.224349][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  500.224355][    C0]  kthread+0xe1/0x120
>[  500.224363][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.224369][    C0]  ret_from_fork+0x2c/0x50
>[  500.224374][    C0]  </TASK>
>[  500.224379][    C0] task:kworker/u2:3    state:I stack:0     pid:178   tgid:178   ppid:2      flags:0x00004000
>[  500.224389][    C0] Workqueue:  0x0 (events_unbound)
>[  500.224395][    C0] Call Trace:
>[  500.224399][    C0]  <TASK>
>[  500.224404][    C0]  __schedule+0x381/0x1530
>[  500.224410][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  500.224418][    C0]  ? cleanup_offline_cgwbs_workfn+0x161/0x1f0
>[  500.224429][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  500.224434][    C0]  schedule+0x24/0xb0
>[  500.224439][    C0]  worker_thread+0xa0/0x3b0
>[  500.224447][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  500.224452][    C0]  kthread+0xe1/0x120
>[  500.224457][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.224483][    C0]  ret_from_fork+0x2c/0x50
>[  500.224496][    C0]  </TASK>
>[  500.224502][    C0] task:cryptd          state:I stack:0     pid:320   tgid:320   ppid:2      flags:0x00004000
>[  500.224516][    C0] Call Trace:
>[  500.224521][    C0]  <TASK>
>[  500.224525][    C0]  __schedule+0x381/0x1530
>[  500.224534][    C0]  ? set_next_entity+0xdf/0x190
>[  500.224544][    C0]  schedule+0x24/0xb0
>[  500.224552][    C0]  rescuer_thread+0x2d8/0x360
>[  500.224561][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.224569][    C0]  kthread+0xe1/0x120
>[  500.224576][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.224584][    C0]  ret_from_fork+0x2c/0x50
>[  500.224593][    C0]  </TASK>
>[  500.224599][    C0] task:btrfs-worker    state:I stack:0     pid:445   tgid:445   ppid:2      flags:0x00004000
>[  500.224613][    C0] Call Trace:
>[  500.224618][    C0]  <TASK>
>[  500.224623][    C0]  __schedule+0x381/0x1530
>[  500.224632][    C0]  ? set_next_entity+0xdf/0x190
>[  500.224643][    C0]  schedule+0x24/0xb0
>[  500.224651][    C0]  rescuer_thread+0x2d8/0x360
>[  500.224660][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.224668][    C0]  kthread+0xe1/0x120
>[  500.224676][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.224685][    C0]  ret_from_fork+0x2c/0x50
>[  500.224693][    C0]  </TASK>
>[  500.224702][    C0] task:btrfs-worker-hi state:I stack:0     pid:446   tgid:446   ppid:2      flags:0x00004000
>[  500.224716][    C0] Call Trace:
>[  500.224722][    C0]  <TASK>
>[  500.224728][    C0]  __schedule+0x381/0x1530
>[  500.224738][    C0]  ? set_next_entity+0xdf/0x190
>[  500.224747][    C0]  schedule+0x24/0xb0
>[  500.224758][    C0]  rescuer_thread+0x2d8/0x360
>[  500.224769][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.224779][    C0]  kthread+0xe1/0x120
>[  500.224787][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.224796][    C0]  ret_from_fork+0x2c/0x50
>[  500.224804][    C0]  </TASK>
>[  500.224810][    C0] task:btrfs-delalloc  state:I stack:0     pid:447   tgid:447   ppid:2      flags:0x00004000
>[  500.224823][    C0] Call Trace:
>[  500.224829][    C0]  <TASK>
>[  500.224835][    C0]  __schedule+0x381/0x1530
>[  500.224844][    C0]  ? set_next_entity+0xdf/0x190
>[  500.224855][    C0]  schedule+0x24/0xb0
>[  500.224863][    C0]  rescuer_thread+0x2d8/0x360
>[  500.224871][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.224890][    C0]  kthread+0xe1/0x120
>[  500.224907][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.224916][    C0]  ret_from_fork+0x2c/0x50
>[  500.224925][    C0]  </TASK>
>[  500.224931][    C0] task:btrfs-flush_del state:I stack:0     pid:448   tgid:448   ppid:2      flags:0x00004000
>[  500.224944][    C0] Call Trace:
>[  500.224950][    C0]  <TASK>
>[  500.224955][    C0]  __schedule+0x381/0x1530
>[  500.224964][    C0]  ? set_next_entity+0xdf/0x190
>[  500.224974][    C0]  schedule+0x24/0xb0
>[  500.224983][    C0]  rescuer_thread+0x2d8/0x360
>[  500.224991][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.224999][    C0]  kthread+0xe1/0x120
>[  500.225007][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.225015][    C0]  ret_from_fork+0x2c/0x50
>[  500.225020][    C0]  </TASK>
>[  500.225024][    C0] task:btrfs-cache     state:I stack:0     pid:449   tgid:449   ppid:2      flags:0x00004000
>[  500.225032][    C0] Call Trace:
>[  500.225035][    C0]  <TASK>
>[  500.225038][    C0]  __schedule+0x381/0x1530
>[  500.225044][    C0]  ? set_next_entity+0xdf/0x190
>[  500.225050][    C0]  schedule+0x24/0xb0
>[  500.225055][    C0]  rescuer_thread+0x2d8/0x360
>[  500.225060][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.225065][    C0]  kthread+0xe1/0x120
>[  500.225071][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.225077][    C0]  ret_from_fork+0x2c/0x50
>[  500.225082][    C0]  </TASK>
>[  500.225086][    C0] task:btrfs-fixup     state:I stack:0     pid:450   tgid:450   ppid:2      flags:0x00004000
>[  500.225093][    C0] Call Trace:
>[  500.225097][    C0]  <TASK>
>[  500.225100][    C0]  __schedule+0x381/0x1530
>[  500.225105][    C0]  ? set_next_entity+0xdf/0x190
>[  500.225112][    C0]  schedule+0x24/0xb0
>[  500.424146][    C0]  rescuer_thread+0x2d8/0x360
>[  500.424163][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.424170][    C0]  kthread+0xe1/0x120
>[  500.424176][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.424182][    C0]  ret_from_fork+0x2c/0x50
>[  500.424189][    C0]  </TASK>
>[  500.424197][    C0] task:btrfs-endio     state:I stack:0     pid:451   tgid:451   ppid:2      flags:0x00004000
>[  500.424213][    C0] Call Trace:
>[  500.424219][    C0]  <TASK>
>[  500.424225][    C0]  __schedule+0x381/0x1530
>[  500.424233][    C0]  ? set_next_entity+0xdf/0x190
>[  500.424243][    C0]  schedule+0x24/0xb0
>[  500.424248][    C0]  rescuer_thread+0x2d8/0x360
>[  500.424254][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.424259][    C0]  kthread+0xe1/0x120
>[  500.424264][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.424271][    C0]  ret_from_fork+0x2c/0x50
>[  500.424276][    C0]  </TASK>
>[  500.424280][    C0] task:btrfs-endio-met state:I stack:0     pid:452   tgid:452   ppid:2      flags:0x00004000
>[  500.424288][    C0] Call Trace:
>[  500.424292][    C0]  <TASK>
>[  500.424295][    C0]  __schedule+0x381/0x1530
>[  500.424300][    C0]  ? set_next_entity+0xdf/0x190
>[  500.424307][    C0]  schedule+0x24/0xb0
>[  500.424312][    C0]  rescuer_thread+0x2d8/0x360
>[  500.424317][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.424322][    C0]  kthread+0xe1/0x120
>[  500.424328][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.424334][    C0]  ret_from_fork+0x2c/0x50
>[  500.424339][    C0]  </TASK>
>[  500.424344][    C0] task:btrfs-rmw       state:I stack:0     pid:453   tgid:453   ppid:2      flags:0x00004000
>[  500.424352][    C0] Call Trace:
>[  500.424355][    C0]  <TASK>
>[  500.424358][    C0]  __schedule+0x381/0x1530
>[  500.424364][    C0]  ? set_next_entity+0xdf/0x190
>[  500.424371][    C0]  schedule+0x24/0xb0
>[  500.424376][    C0]  rescuer_thread+0x2d8/0x360
>[  500.424381][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.424387][    C0]  kthread+0xe1/0x120
>[  500.424392][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.424398][    C0]  ret_from_fork+0x2c/0x50
>[  500.424403][    C0]  </TASK>
>[  500.424407][    C0] task:btrfs-endio-wri state:I stack:0     pid:454   tgid:454   ppid:2      flags:0x00004000
>[  500.424415][    C0] Call Trace:
>[  500.424418][    C0]  <TASK>
>[  500.424421][    C0]  __schedule+0x381/0x1530
>[  500.424427][    C0]  ? set_next_entity+0xdf/0x190
>[  500.424434][    C0]  schedule+0x24/0xb0
>[  500.424439][    C0]  rescuer_thread+0x2d8/0x360
>[  500.424445][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.424450][    C0]  kthread+0xe1/0x120
>[  500.424455][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.424462][    C0]  ret_from_fork+0x2c/0x50
>[  500.424471][    C0]  </TASK>
>[  500.424476][    C0] task:btrfs-compresse state:I stack:0     pid:455   tgid:455   ppid:2      flags:0x00004000
>[  500.424485][    C0] Call Trace:
>[  500.424490][    C0]  <TASK>
>[  500.424494][    C0]  __schedule+0x381/0x1530
>[  500.424501][    C0]  ? set_next_entity+0xdf/0x190
>[  500.424565][    C0]  schedule+0x24/0xb0
>[  500.424574][    C0]  rescuer_thread+0x2d8/0x360
>[  500.424583][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.424592][    C0]  kthread+0xe1/0x120
>[  500.424600][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.424609][    C0]  ret_from_fork+0x2c/0x50
>[  500.424619][    C0]  </TASK>
>[  500.424625][    C0] task:btrfs-freespace state:I stack:0     pid:456   tgid:456   ppid:2      flags:0x00004000
>[  500.424639][    C0] Call Trace:
>[  500.424644][    C0]  <TASK>
>[  500.424650][    C0]  __schedule+0x381/0x1530
>[  500.424659][    C0]  ? set_next_entity+0xdf/0x190
>[  500.424670][    C0]  schedule+0x24/0xb0
>[  500.424678][    C0]  rescuer_thread+0x2d8/0x360
>[  500.424688][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.424696][    C0]  kthread+0xe1/0x120
>[  500.424704][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.424715][    C0]  ret_from_fork+0x2c/0x50
>[  500.424724][    C0]  </TASK>
>[  500.424729][    C0] task:btrfs-delayed-m state:I stack:0     pid:457   tgid:457   ppid:2      flags:0x00004000
>[  500.424745][    C0] Call Trace:
>[  500.424750][    C0]  <TASK>
>[  500.424756][    C0]  __schedule+0x381/0x1530
>[  500.424766][    C0]  ? set_next_entity+0xdf/0x190
>[  500.424776][    C0]  schedule+0x24/0xb0
>[  500.424784][    C0]  rescuer_thread+0x2d8/0x360
>[  500.424793][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.424802][    C0]  kthread+0xe1/0x120
>[  500.424810][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.424820][    C0]  ret_from_fork+0x2c/0x50
>[  500.424829][    C0]  </TASK>
>[  500.424835][    C0] task:btrfs-qgroup-re state:I stack:0     pid:458   tgid:458   ppid:2      flags:0x00004000
>[  500.424848][    C0] Call Trace:
>[  500.424853][    C0]  <TASK>
>[  500.424858][    C0]  __schedule+0x381/0x1530
>[  500.424868][    C0]  ? set_next_entity+0xdf/0x190
>[  500.424878][    C0]  schedule+0x24/0xb0
>[  500.424886][    C0]  rescuer_thread+0x2d8/0x360
>[  500.424895][    C0]  ? __pfx_rescuer_thread+0x10/0x10
>[  500.424904][    C0]  kthread+0xe1/0x120
>[  500.424912][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.424921][    C0]  ret_from_fork+0x2c/0x50
>[  500.424930][    C0]  </TASK>
>[  500.424936][    C0] task:btrfs-cleaner   state:S stack:0     pid:459   tgid:459   ppid:2      flags:0x00004000
>[  500.424949][    C0] Call Trace:
>[  500.424954][    C0]  <TASK>
>[  500.424960][    C0]  __schedule+0x381/0x1530
>[  500.424971][    C0]  ? btrfs_delete_unused_bgs+0x1fa/0x7f0 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.425077][    C0]  ? btrfs_defrag_file+0x610/0x660 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.425168][    C0]  schedule+0x24/0xb0
>[  500.425177][    C0]  cleaner_kthread+0x11e/0x130 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.425256][    C0]  ? __pfx_cleaner_kthread+0x10/0x10 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.425334][    C0]  kthread+0xe1/0x120
>[  500.425343][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.425353][    C0]  ret_from_fork+0x2c/0x50
>[  500.425362][    C0]  </TASK>
>[  500.425368][    C0] task:btrfs-transacti state:S stack:0     pid:460   tgid:460   ppid:2      flags:0x00004000
>[  500.425382][    C0] Call Trace:
>[  500.425387][    C0]  <TASK>
>[  500.425393][    C0]  __schedule+0x381/0x1530
>[  500.425402][    C0]  ? enqueue_task_fair+0xa7/0x400
>[  500.425412][    C0]  schedule+0x24/0xb0
>[  500.425419][    C0]  schedule_timeout+0x19c/0x290
>[  500.425429][    C0]  ? __pfx_process_timeout+0x10/0x10
>[  500.425440][    C0]  transaction_kthread+0x11a/0x1b0 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.425521][    C0]  ? __pfx_transaction_kthread+0x10/0x10 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.624208][    C0]  kthread+0xe1/0x120
>[  500.624225][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.624241][    C0]  ret_from_fork+0x2c/0x50
>[  500.624258][    C0]  </TASK>
>[  500.624265][    C0] task:systemd-journal state:S stack:0     pid:507   tgid:507   ppid:1      flags:0x00000002
>[  500.624283][    C0] Call Trace:
>[  500.624289][    C0]  <TASK>
>[  500.624294][    C0]  __schedule+0x381/0x1530
>[  500.624306][    C0]  ? aa_file_perm+0x125/0x500
>[  500.624317][    C0]  ? current_time+0x42/0x80
>[  500.624329][    C0]  schedule+0x24/0xb0
>[  500.624338][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  500.624349][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  500.624359][    C0]  ? do_timerfd_settime+0x2a7/0x490
>[  500.624368][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  500.624377][    C0]  ? ep_done_scan+0xb9/0x100
>[  500.624388][    C0]  do_epoll_wait+0x59b/0x6f0
>[  500.624399][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  500.624409][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  500.624418][    C0]  ? syscall_trace_enter.isra.16+0xa9/0x1b0
>[  500.624432][    C0]  do_syscall_64+0x5b/0x80
>[  500.624441][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.624451][    C0]  ? do_syscall_64+0x67/0x80
>[  500.624460][    C0]  ? do_syscall_64+0x67/0x80
>[  500.624467][    C0]  ? exc_page_fault+0x6e/0x150
>[  500.624476][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  500.624487][    C0] RIP: 0033:0x7f5db3d2de23
>[  500.624507][    C0] RSP: 002b:00007fff19cdf7d8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  500.624519][    C0] RAX: ffffffffffffffda RBX: 0000000000000042 RCX: 00007f5db3d2de23
>[  500.624527][    C0] RDX: 0000000000000042 RSI: 000055a8eca48f90 RDI: 0000000000000007
>[  500.624537][    C0] RBP: 000055a8eca26380 R08: d6bf94d5e57a42bd R09: 0000000000000000
>[  500.624547][    C0] R10: 00000000ffffffff R11: 0000000000000202 R12: 000055a8eca48f90
>[  500.624573][    C0] R13: 000000000000003c R14: 0000000000000007 R15: ffffffffffffffff
>[  500.624590][    C0]  </TASK>
>[  500.624597][    C0] task:systemd-udevd   state:S stack:0     pid:539   tgid:539   ppid:1      flags:0x00000002
>[  500.624611][    C0] Call Trace:
>[  500.624617][    C0]  <TASK>
>[  500.624622][    C0]  __schedule+0x381/0x1530
>[  500.624634][    C0]  ? __mod_memcg_state+0x66/0xe0
>[  500.624645][    C0]  schedule+0x24/0xb0
>[  500.624653][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  500.624664][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  500.624674][    C0]  ? hrtimer_start_range_ns+0x13a/0x310
>[  500.624682][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  500.624692][    C0]  ? ep_done_scan+0xb9/0x100
>[  500.624701][    C0]  do_epoll_wait+0x59b/0x6f0
>[  500.624711][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  500.624722][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  500.624731][    C0]  ? syscall_trace_enter.isra.16+0xa9/0x1b0
>[  500.624744][    C0]  do_syscall_64+0x5b/0x80
>[  500.624753][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.624761][    C0]  ? do_syscall_64+0x67/0x80
>[  500.624770][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.624778][    C0]  ? do_syscall_64+0x67/0x80
>[  500.624786][    C0]  ? do_syscall_64+0x67/0x80
>[  500.624793][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.624802][    C0]  ? do_syscall_64+0x67/0x80
>[  500.624810][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.624818][    C0]  ? do_syscall_64+0x67/0x80
>[  500.624826][    C0]  ? do_syscall_64+0x67/0x80
>[  500.624834][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  500.624844][    C0] RIP: 0033:0x7f991f52de23
>[  500.624856][    C0] RSP: 002b:00007fff8a2aedf8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  500.624867][    C0] RAX: ffffffffffffffda RBX: 000000000000007e RCX: 00007f991f52de23
>[  500.624876][    C0] RDX: 000000000000007e RSI: 0000564433aaa9a0 RDI: 0000000000000009
>[  500.624885][    C0] RBP: 000056443393aef0 R08: 0000000000000001 R09: 00007fff8a2aec48
>[  500.624894][    C0] R10: 00000000ffffffff R11: 0000000000000202 R12: 0000564433aaa9a0
>[  500.624904][    C0] R13: 000000000000000a R14: 0000000000000009 R15: ffffffffffffffff
>[  500.624915][    C0]  </TASK>
>[  500.624921][    C0] task:kworker/u2:5    state:I stack:0     pid:541   tgid:541   ppid:2      flags:0x00004000
>[  500.624935][    C0] Workqueue:  0x0 (btrfs_discard)
>[  500.624946][    C0] Call Trace:
>[  500.624951][    C0]  <TASK>
>[  500.624956][    C0]  __schedule+0x381/0x1530
>[  500.624966][    C0]  ? btrfs_discard_workfn+0x2ac/0x390 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.625046][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  500.625052][    C0]  schedule+0x24/0xb0
>[  500.625058][    C0]  worker_thread+0xa0/0x3b0
>[  500.625064][    C0]  ? __pfx_worker_thread+0x10/0x10
>[  500.625069][    C0]  kthread+0xe1/0x120
>[  500.625075][    C0]  ? __pfx_kthread+0x10/0x10
>[  500.625081][    C0]  ret_from_fork+0x2c/0x50
>[  500.625087][    C0]  </TASK>
>[  500.625091][    C0] task:haveged         state:S stack:0     pid:576   tgid:576   ppid:1      flags:0x00000002
>[  500.625105][    C0] Call Trace:
>[  500.625109][    C0]  <TASK>
>[  500.625112][    C0]  __schedule+0x381/0x1530
>[  500.625118][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  500.625125][    C0]  ? timerqueue_add+0x7a/0x90
>[  500.625132][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  500.625139][    C0]  schedule+0x24/0xb0
>[  500.625144][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  500.824140][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  500.824158][    C0]  do_select+0x5a4/0x840
>[  500.824167][    C0]  ? __pfx_pollwake+0x10/0x10
>[  500.824173][    C0]  ? __pfx_pollwake+0x10/0x10
>[  500.824178][    C0]  ? __pfx_pollwake+0x10/0x10
>[  500.824183][    C0]  ? __pfx_pollwake+0x10/0x10
>[  500.824189][    C0]  ? __pfx_pollwake+0x10/0x10
>[  500.824194][    C0]  ? __pfx_pollwake+0x10/0x10
>[  500.824200][    C0]  ? slab_post_alloc_hook+0x69/0x2e0
>[  500.824213][    C0]  ? cdev_get+0x2b/0x60
>[  500.824221][    C0]  ? __cgroup_bpf_check_dev_permission+0xf5/0x160
>[  500.824231][    C0]  ? __pfx_exact_match+0x10/0x10
>[  500.824240][    C0]  ? kobj_lookup+0x113/0x160
>[  500.824253][    C0]  ? __pfx_exact_match+0x10/0x10
>[  500.824262][    C0]  ? __pfx_chrdev_open+0x10/0x10
>[  500.824272][    C0]  ? core_sys_select+0x23e/0x340
>[  500.824280][    C0]  core_sys_select+0x23e/0x340
>[  500.824289][    C0]  ? core_sys_select+0x23e/0x340
>[  500.824299][    C0]  ? recalc_sigpending+0x17/0x50
>[  500.824309][    C0]  ? recalc_sigpending+0x17/0x50
>[  500.824317][    C0]  ? __set_task_blocked+0x38/0x90
>[  500.824325][    C0]  do_pselect.constprop.15+0xbf/0x100
>[  500.824332][    C0]  __x64_sys_pselect6+0x55/0x70
>[  500.824337][    C0]  do_syscall_64+0x5b/0x80
>[  500.824344][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.824350][    C0]  ? do_syscall_64+0x67/0x80
>[  500.824355][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  500.824363][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.824369][    C0]  ? do_syscall_64+0x67/0x80
>[  500.824373][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  500.824380][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.824386][    C0]  ? do_syscall_64+0x67/0x80
>[  500.824391][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  500.824397][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.824403][    C0]  ? do_syscall_64+0x67/0x80
>[  500.824408][    C0]  ? do_syscall_64+0x67/0x80
>[  500.824412][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  500.824419][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  500.824427][    C0] RIP: 0033:0x7f794af2a39c
>[  500.824440][    C0] RSP: 002b:00007ffe734f9090 EFLAGS: 00000202 ORIG_RAX: 000000000000010e
>[  500.824447][    C0] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f794af2a39c
>[  500.824454][    C0] RDX: 00007ffe734f93f0 RSI: 00007ffe734f9470 RDI: 0000000000000005
>[  500.824460][    C0] RBP: 00007ffe734f95c0 R08: 00007ffe734f90c0 R09: 00007ffe734f90d0
>[  500.824465][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe734f93f0
>[  500.824471][    C0] R13: 00007ffe734f93f0 R14: 00000000ffffffff R15: 00007ffe734f9470
>[  500.824515][    C0]  </TASK>
>[  500.824530][    C0] task:auditd          state:S stack:0     pid:698   tgid:698   ppid:1      flags:0x00000002
>[  500.824546][    C0] Call Trace:
>[  500.824552][    C0]  <TASK>
>[  500.824558][    C0]  __schedule+0x381/0x1530
>[  500.824570][    C0]  ? xen_load_sp0+0x16a/0x170
>[  500.824582][    C0]  ? timerqueue_add+0x7a/0x90
>[  500.824603][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  500.824614][    C0]  schedule+0x24/0xb0
>[  500.824623][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  500.824634][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  500.824645][    C0]  do_select+0x5a4/0x840
>[  500.824656][    C0]  ? __pfx_pollwake+0x10/0x10
>[  500.824664][    C0]  ? __pfx_pollwake+0x10/0x10
>[  500.824672][    C0]  ? __pfx_pollwake+0x10/0x10
>[  500.824681][    C0]  ? percpu_counter_add_batch+0x4d/0x80
>[  500.824692][    C0]  ? btrfs_set_delalloc_extent+0x11e/0x2b0 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.824790][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  500.824801][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  500.824811][    C0]  ? merge_state.part.11+0x48/0x120 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.824893][    C0]  ? clear_state_bit+0x6a/0x170 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.824982][    C0]  ? btrfs_block_rsv_release+0xc3/0x340 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.825077][    C0]  ? core_sys_select+0x23e/0x340
>[  500.825086][    C0]  core_sys_select+0x23e/0x340
>[  500.825096][    C0]  ? btrfs_do_write_iter+0x123/0x550 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.825178][    C0]  ? common_file_perm+0x74/0x1a0
>[  500.825188][    C0]  ? _copy_to_user+0x20/0x40
>[  500.825198][    C0]  ? xen_clocksource_read+0x18/0x30
>[  500.825208][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  500.825217][    C0]  do_pselect.constprop.15+0xbf/0x100
>[  500.825227][    C0]  __x64_sys_pselect6+0x55/0x70
>[  500.825236][    C0]  do_syscall_64+0x5b/0x80
>[  500.825244][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  500.825254][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.825262][    C0]  ? do_syscall_64+0x67/0x80
>[  500.825267][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.825272][    C0]  ? do_syscall_64+0x67/0x80
>[  500.825277][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  500.825282][    C0]  ? do_syscall_64+0x67/0x80
>[  500.825287][    C0]  ? do_syscall_64+0x67/0x80
>[  500.825291][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  500.825298][    C0] RIP: 0033:0x7efce0f2b0bc
>[  500.825310][    C0] RSP: 002b:00007ffd35b77300 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
>[  500.825317][    C0] RAX: ffffffffffffffda RBX: 0000000000000040 RCX: 00007efce0f2b0bc
>[  500.825323][    C0] RDX: 000056177fcf0130 RSI: 000056177fcf00f0 RDI: 0000000000000040
>[  500.825329][    C0] RBP: 00007ffd35b77390 R08: 00007ffd35b77310 R09: 0000000000000000
>[  500.825335][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000056177fcf00f0
>[  500.825340][    C0] R13: 00007ffd35b77310 R14: 0000000000000000 R15: 000056177fcf0130
>[  500.825347][    C0]  </TASK>
>[  500.825350][    C0] task:auditd          state:S stack:0     pid:699   tgid:698   ppid:1      flags:0x00000002
>[  500.825359][    C0] Call Trace:
>[  500.825363][    C0]  <TASK>
>[  500.825366][    C0]  __schedule+0x381/0x1530
>[  500.825372][    C0]  ? btrfs_create_pending_block_groups+0x41f/0x640 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  500.825441][    C0]  schedule+0x24/0xb0
>[  500.825447][    C0]  futex_wait_queue+0x60/0x90
>[  501.024638][    C0]  futex_wait+0x169/0x250
>[  501.024665][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  501.024684][    C0]  do_futex+0x11c/0x1b0
>[  501.024700][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  501.024709][    C0]  do_syscall_64+0x5b/0x80
>[  501.024729][    C0]  ? task_mm_cid_work+0x19b/0x200
>[  501.024749][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  501.024769][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.024790][    C0] RIP: 0033:0x7efce0ea3726
>[  501.024807][    C0] RSP: 002b:00007efce0dfed40 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  501.024818][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efce0ea3726
>[  501.024828][    C0] RDX: 0000000000000000 RSI: 0000000000000189 RDI: 000056177e42d2a8
>[  501.024837][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  501.024846][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000056177e42d2c0
>[  501.024855][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: 000056177e42d2a8
>[  501.024868][    C0]  </TASK>
>[  501.024875][    C0] task:dbus-daemon     state:S stack:0     pid:739   tgid:739   ppid:1      flags:0x00000002
>[  501.024889][    C0] Call Trace:
>[  501.024895][    C0]  <TASK>
>[  501.024900][    C0]  __schedule+0x381/0x1530
>[  501.024912][    C0]  schedule+0x24/0xb0
>[  501.024930][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  501.024950][    C0]  ? import_iovec+0x17/0x20
>[  501.024959][    C0]  ? copy_msghdr_from_user+0x72/0xb0
>[  501.024971][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  501.024980][    C0]  ? ep_done_scan+0xb9/0x100
>[  501.024991][    C0]  do_epoll_wait+0x59b/0x6f0
>[  501.025001][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  501.025037][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  501.025049][    C0]  ? syscall_trace_enter.isra.16+0x135/0x1b0
>[  501.025061][    C0]  do_syscall_64+0x5b/0x80
>[  501.025070][    C0]  ? audit_reset_context.part.19+0x26e/0x2e0
>[  501.025082][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.025093][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.025103][    C0]  ? do_syscall_64+0x67/0x80
>[  501.025111][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.025120][    C0]  ? do_syscall_64+0x67/0x80
>[  501.025129][    C0]  ? do_syscall_64+0x67/0x80
>[  501.025136][    C0]  ? do_syscall_64+0x67/0x80
>[  501.025144][    C0]  ? do_syscall_64+0x67/0x80
>[  501.025152][    C0]  ? do_syscall_64+0x67/0x80
>[  501.025159][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  501.025169][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.025180][    C0] RIP: 0033:0x7fc9ded2de23
>[  501.025193][    C0] RSP: 002b:00007ffdd941a988 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  501.025204][    C0] RAX: ffffffffffffffda RBX: 00007ffdd941a990 RCX: 00007fc9ded2de23
>[  501.025215][    C0] RDX: 0000000000000040 RSI: 00007ffdd941a990 RDI: 0000000000000004
>[  501.025224][    C0] RBP: 00007ffdd941ad30 R08: 0000000000000000 R09: 0000000000000000
>[  501.025233][    C0] R10: 00000000ffffffff R11: 0000000000000202 R12: ffffffffffffffff
>[  501.025244][    C0] R13: 0000000000000001 R14: 000055ce20c00460 R15: 00007ffdd941acf4
>[  501.025255][    C0]  </TASK>
>[  501.025261][    C0] task:firewalld       state:S stack:0     pid:742   tgid:742   ppid:1      flags:0x00000002
>[  501.025276][    C0] Call Trace:
>[  501.025282][    C0]  <TASK>
>[  501.025288][    C0]  __schedule+0x381/0x1530
>[  501.025298][    C0]  ? set_next_buddy+0x55/0x90
>[  501.025310][    C0]  schedule+0x24/0xb0
>[  501.025319][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  501.025329][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  501.025339][    C0]  ? add_wait_queue+0x15/0x80
>[  501.025347][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  501.025357][    C0]  ? unix_poll+0x23/0x100
>[  501.025366][    C0]  do_sys_poll+0x3b3/0x5f0
>[  501.025378][    C0]  ? __wake_up_common+0x74/0x130
>[  501.025387][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  501.025397][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  501.025406][    C0]  ? __pfx_pollwake+0x10/0x10
>[  501.025411][    C0]  ? __pfx_pollwake+0x10/0x10
>[  501.025416][    C0]  ? __pfx_pollwake+0x10/0x10
>[  501.025421][    C0]  ? sock_sendmsg+0x92/0xa0
>[  501.025426][    C0]  ? ____sys_sendmsg+0x207/0x2a0
>[  501.025431][    C0]  ? aa_file_perm+0x125/0x500
>[  501.025439][    C0]  ? copyout+0x20/0x30
>[  501.025445][    C0]  ? _copy_to_iter+0x58/0x520
>[  501.025451][    C0]  ? ___sys_sendmsg+0x9a/0xd0
>[  501.025457][    C0]  ? eventfd_read+0x180/0x1f0
>[  501.025462][    C0]  ? xen_extend_mmuext_op+0x20/0xe0
>[  501.025468][    C0]  ? vfs_read+0x230/0x2e0
>[  501.025474][    C0]  ? auditd_test_task+0x38/0x50
>[  501.025479][    C0]  ? __x64_sys_poll+0x37/0x140
>[  501.025485][    C0]  __x64_sys_poll+0x37/0x140
>[  501.025490][    C0]  do_syscall_64+0x5b/0x80
>[  501.025495][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.025502][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.025507][    C0]  ? do_syscall_64+0x67/0x80
>[  501.025512][    C0]  ? do_syscall_64+0x67/0x80
>[  501.025517][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  501.025522][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  501.025529][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.025534][    C0]  ? do_syscall_64+0x67/0x80
>[  501.025539][    C0]  ? exc_page_fault+0x6e/0x150
>[  501.025544][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.025550][    C0] RIP: 0033:0x7f732c31f3cf
>[  501.025556][    C0] RSP: 002b:00007ffdb91ce750 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  501.025563][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f732c31f3cf
>[  501.025568][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 000055b85fc74270
>[  501.025574][    C0] RBP: 000055b85fa86670 R08: 0000000000000000 R09: 0000000000000000
>[  501.025580][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055b85fc74270
>[  501.224709][    C0] R13: 00000000ffffffff R14: 00007f732ab29890 R15: 0000000000000003
>[  501.224730][    C0]  </TASK>
>[  501.224745][    C0] task:gmain           state:S stack:0     pid:934   tgid:742   ppid:1      flags:0x00000002
>[  501.224764][    C0] Call Trace:
>[  501.224768][    C0]  <TASK>
>[  501.224780][    C0]  __schedule+0x381/0x1530
>[  501.224789][    C0]  ? remove_wait_queue+0x12/0x50
>[  501.224795][    C0]  schedule+0x24/0xb0
>[  501.224810][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  501.224817][    C0]  ? __raw_callee_save_xen_pmd_val+0x11/0x30
>[  501.224835][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  501.224841][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  501.224857][    C0]  do_sys_poll+0x3b3/0x5f0
>[  501.224873][    C0]  ? __pfx_pollwake+0x10/0x10
>[  501.224878][    C0]  ? __pfx_pollwake+0x10/0x10
>[  501.224883][    C0]  ? __pfx_pollwake+0x10/0x10
>[  501.224888][    C0]  ? __pfx_pollwake+0x10/0x10
>[  501.224893][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  501.224910][    C0]  ? aa_file_perm+0x125/0x500
>[  501.224927][    C0]  ? copyout+0x20/0x30
>[  501.224933][    C0]  ? _copy_to_iter+0x58/0x520
>[  501.224939][    C0]  ? set_pte_at+0x15/0x30
>[  501.224944][    C0]  ? do_pte_missing+0x426/0x7f0
>[  501.224959][    C0]  ? eventfd_read+0x180/0x1f0
>[  501.224965][    C0]  ? vfs_read+0x230/0x2e0
>[  501.224982][    C0]  ? __x64_sys_poll+0x37/0x140
>[  501.224987][    C0]  __x64_sys_poll+0x37/0x140
>[  501.224992][    C0]  do_syscall_64+0x5b/0x80
>[  501.224998][    C0]  ? exc_page_fault+0x6e/0x150
>[  501.225013][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.225020][    C0] RIP: 0033:0x7f732c31f3cf
>[  501.225042][    C0] RSP: 002b:00007f73271fee10 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  501.225049][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f732c31f3cf
>[  501.225055][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 000055b85fc67c10
>[  501.225061][    C0] RBP: 000055b85fc679e0 R08: 0000000000000000 R09: 0000000000000000
>[  501.225066][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055b85fc67c10
>[  501.225072][    C0] R13: 00000000ffffffff R14: 00007f732ab29890 R15: 0000000000000002
>[  501.225079][    C0]  </TASK>
>[  501.225082][    C0] task:nscd            state:S stack:0     pid:753   tgid:753   ppid:1      flags:0x00000002
>[  501.225090][    C0] Call Trace:
>[  501.225094][    C0]  <TASK>
>[  501.225097][    C0]  __schedule+0x381/0x1530
>[  501.225103][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  501.225110][    C0]  ? timerqueue_add+0x7a/0x90
>[  501.225117][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  501.225125][    C0]  schedule+0x24/0xb0
>[  501.225130][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  501.225136][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  501.225142][    C0]  do_epoll_wait+0x59b/0x6f0
>[  501.225150][    C0]  ? xen_clocksource_read+0x18/0x30
>[  501.225157][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  501.225163][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  501.225169][    C0]  do_syscall_64+0x5b/0x80
>[  501.225174][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.225180][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225185][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.225192][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.225197][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225202][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225207][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225211][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225217][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  501.225223][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.225229][    C0] RIP: 0033:0x7faa8e72de66
>[  501.225235][    C0] RSP: 002b:00007fffce141120 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
>[  501.225241][    C0] RAX: ffffffffffffffda RBX: 00007fffce141640 RCX: 00007faa8e72de66
>[  501.225247][    C0] RDX: 0000000000000064 RSI: 00007fffce141190 RDI: 0000000000000004
>[  501.225252][    C0] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000555861dedd00
>[  501.225258][    C0] R10: 0000000000007518 R11: 0000000000000293 R12: 00007fffce14119c
>[  501.225263][    C0] R13: 0000000000000004 R14: 00007fffce141190 R15: 0000000000000000
>[  501.225270][    C0]  </TASK>
>[  501.225273][    C0] task:nscd            state:S stack:0     pid:759   tgid:753   ppid:1      flags:0x00000002
>[  501.225281][    C0] Call Trace:
>[  501.225285][    C0]  <TASK>
>[  501.225288][    C0]  __schedule+0x381/0x1530
>[  501.225294][    C0]  ? pmu_msr_read+0x36/0xd0
>[  501.225299][    C0]  ? xen_mc_flush+0x87/0x230
>[  501.225306][    C0]  ? timerqueue_add+0x7a/0x90
>[  501.225319][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  501.225328][    C0]  schedule+0x24/0xb0
>[  501.225336][    C0]  futex_wait_queue+0x60/0x90
>[  501.225343][    C0]  futex_wait+0x169/0x250
>[  501.225349][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  501.225357][    C0]  do_futex+0x11c/0x1b0
>[  501.225365][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  501.225372][    C0]  do_syscall_64+0x5b/0x80
>[  501.225377][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.225386][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.225391][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225396][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225400][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225405][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.225419][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.225428][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225436][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225442][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225447][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225452][    C0]  ? exc_page_fault+0x6e/0x150
>[  501.225457][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.225464][    C0] RIP: 0033:0x7faa8e6a3726
>[  501.225470][    C0] RSP: 002b:00007faa839fec90 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  501.225476][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa8e6a3726
>[  501.225481][    C0] RDX: 0000000000000000 RSI: 0000000000000089 RDI: 0000555861ded0e0
>[  501.225487][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  501.225492][    C0] R10: 00007faa839fedc0 R11: 0000000000000246 R12: 0000000000000000
>[  501.225498][    C0] R13: 0000555861ded0e8 R14: 0000555861ded0e0 R15: 0000000000000000
>[  501.225504][    C0]  </TASK>
>[  501.225508][    C0] task:nscd            state:S stack:0     pid:760   tgid:753   ppid:1      flags:0x00000002
>[  501.225515][    C0] Call Trace:
>[  501.225519][    C0]  <TASK>
>[  501.225522][    C0]  __schedule+0x381/0x1530
>[  501.225528][    C0]  ? hrtimer_cancel+0x11/0x20
>[  501.225534][    C0]  ? timerqueue_add+0x7a/0x90
>[  501.225539][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  501.225545][    C0]  schedule+0x24/0xb0
>[  501.225550][    C0]  futex_wait_queue+0x60/0x90
>[  501.225556][    C0]  futex_wait+0x169/0x250
>[  501.225562][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  501.225568][    C0]  do_futex+0x11c/0x1b0
>[  501.225573][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  501.225579][    C0]  do_syscall_64+0x5b/0x80
>[  501.225584][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.225590][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225594][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.225610][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225614][    C0]  ? do_syscall_64+0x67/0x80
>[  501.225619][    C0]  ? do_syscall_64+0x67/0x80
>[  501.424756][    C0]  ? exc_page_fault+0x6e/0x150
>[  501.424774][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.424793][    C0] RIP: 0033:0x7faa8e6a3726
>[  501.424807][    C0] RSP: 002b:00007faa837fdc90 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  501.424814][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa8e6a3726
>[  501.424830][    C0] RDX: 0000000000000000 RSI: 0000000000000089 RDI: 0000555861ded240
>[  501.424836][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  501.424852][    C0] R10: 00007faa837fddc0 R11: 0000000000000246 R12: 0000000000000000
>[  501.424858][    C0] R13: 0000555861ded248 R14: 0000555861ded240 R15: 0000000000000000
>[  501.424874][    C0]  </TASK>
>[  501.424879][    C0] task:nscd            state:S stack:0     pid:761   tgid:753   ppid:1      flags:0x00000002
>[  501.424898][    C0] Call Trace:
>[  501.424902][    C0]  <TASK>
>[  501.424905][    C0]  __schedule+0x381/0x1530
>[  501.424922][    C0]  ? timerqueue_add+0x7a/0x90
>[  501.424938][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  501.424945][    C0]  ? timerqueue_add+0x7a/0x90
>[  501.424951][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  501.424957][    C0]  schedule+0x24/0xb0
>[  501.424962][    C0]  futex_wait_queue+0x60/0x90
>[  501.424970][    C0]  futex_wait+0x169/0x250
>[  501.424975][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  501.424982][    C0]  do_futex+0x11c/0x1b0
>[  501.424988][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  501.424994][    C0]  do_syscall_64+0x5b/0x80
>[  501.425000][    C0]  ? audit_reset_context.part.19+0x26e/0x2e0
>[  501.425007][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.425015][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.425021][    C0]  ? do_syscall_64+0x67/0x80
>[  501.425025][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.425031][    C0]  ? do_syscall_64+0x67/0x80
>[  501.425035][    C0]  ? do_syscall_64+0x67/0x80
>[  501.425040][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.425045][    C0]  ? do_syscall_64+0x67/0x80
>[  501.425050][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  501.425055][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.425061][    C0] RIP: 0033:0x7faa8e6a3726
>[  501.425067][    C0] RSP: 002b:00007faa835fcc90 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  501.425073][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa8e6a3726
>[  501.425080][    C0] RDX: 0000000000000000 RSI: 0000000000000089 RDI: 0000555861ded3a0
>[  501.425085][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  501.425091][    C0] R10: 00007faa835fcdc0 R11: 0000000000000246 R12: 0000000000000000
>[  501.425097][    C0] R13: 0000555861ded3a8 R14: 0000555861ded3a0 R15: 0000000000000000
>[  501.425103][    C0]  </TASK>
>[  501.425106][    C0] task:nscd            state:S stack:0     pid:762   tgid:753   ppid:1      flags:0x00000002
>[  501.425114][    C0] Call Trace:
>[  501.425118][    C0]  <TASK>
>[  501.425121][    C0]  __schedule+0x381/0x1530
>[  501.425127][    C0]  ? timerqueue_add+0x7a/0x90
>[  501.425133][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  501.425139][    C0]  schedule+0x24/0xb0
>[  501.425149][    C0]  futex_wait_queue+0x60/0x90
>[  501.425160][    C0]  futex_wait+0x169/0x250
>[  501.425168][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  501.425178][    C0]  do_futex+0x11c/0x1b0
>[  501.425186][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  501.425194][    C0]  do_syscall_64+0x5b/0x80
>[  501.425202][    C0]  ? audit_reset_context.part.19+0x26e/0x2e0
>[  501.425212][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.425221][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.425230][    C0]  ? do_syscall_64+0x67/0x80
>[  501.425238][    C0]  ? do_syscall_64+0x67/0x80
>[  501.425245][    C0]  ? do_syscall_64+0x67/0x80
>[  501.425252][    C0]  ? exc_page_fault+0x6e/0x150
>[  501.425261][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.425271][    C0] RIP: 0033:0x7faa8e6a3726
>[  501.425281][    C0] RSP: 002b:00007faa833fbc90 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  501.425291][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa8e6a3726
>[  501.425300][    C0] RDX: 0000000000000000 RSI: 0000000000000089 RDI: 0000555861ded500
>[  501.425309][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  501.425319][    C0] R10: 00007faa833fbdc0 R11: 0000000000000246 R12: 0000000000000000
>[  501.425328][    C0] R13: 0000555861ded508 R14: 0000555861ded500 R15: 0000000000000000
>[  501.425339][    C0]  </TASK>
>[  501.425345][    C0] task:nscd            state:S stack:0     pid:763   tgid:753   ppid:1      flags:0x00000002
>[  501.425358][    C0] Call Trace:
>[  501.425364][    C0]  <TASK>
>[  501.425369][    C0]  __schedule+0x381/0x1530
>[  501.425376][    C0]  ? timerqueue_add+0x7a/0x90
>[  501.425384][    C0]  ? timerqueue_add+0x7a/0x90
>[  501.425393][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  501.425403][    C0]  schedule+0x24/0xb0
>[  501.425410][    C0]  futex_wait_queue+0x60/0x90
>[  501.425420][    C0]  futex_wait+0x169/0x250
>[  501.425428][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  501.425438][    C0]  do_futex+0x11c/0x1b0
>[  501.425446][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  501.425456][    C0]  do_syscall_64+0x5b/0x80
>[  501.425469][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.425479][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.425488][    C0]  ? do_syscall_64+0x67/0x80
>[  501.425495][    C0]  ? audit_reset_context.part.19+0x26e/0x2e0
>[  501.425516][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.425526][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.425534][    C0]  ? do_syscall_64+0x67/0x80
>[  501.425542][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.425550][    C0]  ? do_syscall_64+0x67/0x80
>[  501.425559][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.425565][    C0] RIP: 0033:0x7faa8e6a3726
>[  501.425571][    C0] RSP: 002b:00007faa831fac90 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  501.425577][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa8e6a3726
>[  501.425582][    C0] RDX: 0000000000000000 RSI: 0000000000000089 RDI: 0000555861ded660
>[  501.425597][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  501.425603][    C0] R10: 00007faa831fadc0 R11: 0000000000000246 R12: 0000000000000000
>[  501.425608][    C0] R13: 0000555861ded668 R14: 0000555861ded660 R15: 0000000000000000
>[  501.425615][    C0]  </TASK>
>[  501.425618][    C0] task:nscd            state:S stack:0     pid:764   tgid:753   ppid:1      flags:0x00000002
>[  501.425626][    C0] Call Trace:
>[  501.425629][    C0]  <TASK>
>[  501.425632][    C0]  __schedule+0x381/0x1530
>[  501.425639][    C0]  schedule+0x24/0xb0
>[  501.425654][    C0]  futex_wait_queue+0x60/0x90
>[  501.624725][    C0]  futex_wait+0x169/0x250
>[  501.624748][    C0]  ? __sk_destruct+0x13c/0x220
>[  501.624765][    C0]  ? kmem_cache_free+0x1bf/0x490
>[  501.624782][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  501.624788][    C0]  ? drain_obj_stock+0xc7/0x230
>[  501.624794][    C0]  do_futex+0x11c/0x1b0
>[  501.624799][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  501.624816][    C0]  do_syscall_64+0x5b/0x80
>[  501.624832][    C0]  ? do_syscall_64+0x67/0x80
>[  501.624836][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.624843][    C0]  ? do_syscall_64+0x67/0x80
>[  501.624857][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.624862][    C0]  ? do_syscall_64+0x67/0x80
>[  501.624877][    C0]  ? exc_page_fault+0x6e/0x150
>[  501.624883][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.624890][    C0] RIP: 0033:0x7faa8e6a3726
>[  501.624902][    C0] RSP: 002b:00007faa82ff86d0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  501.624909][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa8e6a3726
>[  501.624915][    C0] RDX: 0000000000000000 RSI: 0000000000000189 RDI: 0000555861dedd0c
>[  501.624921][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  501.624926][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555861dedca0
>[  501.624932][    C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000555861dedd0c
>[  501.624938][    C0]  </TASK>
>[  501.624942][    C0] task:nscd            state:S stack:0     pid:765   tgid:753   ppid:1      flags:0x00000002
>[  501.624951][    C0] Call Trace:
>[  501.624955][    C0]  <TASK>
>[  501.624957][    C0]  __schedule+0x381/0x1530
>[  501.624965][    C0]  schedule+0x24/0xb0
>[  501.624970][    C0]  futex_wait_queue+0x60/0x90
>[  501.624976][    C0]  futex_wait+0x169/0x250
>[  501.624981][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  501.624989][    C0]  ? mntput_no_expire+0x4a/0x240
>[  501.624997][    C0]  do_futex+0x11c/0x1b0
>[  501.625002][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  501.625008][    C0]  do_syscall_64+0x5b/0x80
>[  501.625013][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.625021][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.625026][    C0]  ? do_syscall_64+0x67/0x80
>[  501.625031][    C0]  ? do_syscall_64+0x67/0x80
>[  501.625036][    C0]  ? do_syscall_64+0x67/0x80
>[  501.625040][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.625046][    C0] RIP: 0033:0x7faa8e6a3726
>[  501.625051][    C0] RSP: 002b:00007faa82df76d0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  501.625057][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa8e6a3726
>[  501.625063][    C0] RDX: 0000000000000000 RSI: 0000000000000189 RDI: 0000555861dedd0c
>[  501.625069][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  501.625074][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555861dedca0
>[  501.625080][    C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000555861dedd0c
>[  501.625086][    C0]  </TASK>
>[  501.625089][    C0] task:nscd            state:S stack:0     pid:766   tgid:753   ppid:1      flags:0x00000002
>[  501.625098][    C0] Call Trace:
>[  501.625106][    C0]  <TASK>
>[  501.625113][    C0]  __schedule+0x381/0x1530
>[  501.625124][    C0]  schedule+0x24/0xb0
>[  501.625132][    C0]  futex_wait_queue+0x60/0x90
>[  501.625141][    C0]  futex_wait+0x169/0x250
>[  501.625148][    C0]  ? fsnotify_grab_connector+0x4b/0x90
>[  501.625159][    C0]  ? refill_obj_stock+0xa9/0x120
>[  501.625167][    C0]  ? __dentry_kill+0x123/0x160
>[  501.625178][    C0]  do_futex+0x11c/0x1b0
>[  501.625186][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  501.625195][    C0]  do_syscall_64+0x5b/0x80
>[  501.625203][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.625215][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.625224][    C0]  ? do_syscall_64+0x67/0x80
>[  501.625232][    C0]  ? do_syscall_64+0x67/0x80
>[  501.625239][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.625249][    C0] RIP: 0033:0x7faa8e6a3726
>[  501.625260][    C0] RSP: 002b:00007faa82bf66d0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  501.625269][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa8e6a3726
>[  501.625303][    C0] RDX: 0000000000000000 RSI: 0000000000000189 RDI: 0000555861dedd0c
>[  501.625314][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  501.625324][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555861dedca0
>[  501.625334][    C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000555861dedd0c
>[  501.625347][    C0]  </TASK>
>[  501.625354][    C0] task:nscd            state:S stack:0     pid:767   tgid:753   ppid:1      flags:0x00000002
>[  501.625369][    C0] Call Trace:
>[  501.625374][    C0]  <TASK>
>[  501.625380][    C0]  __schedule+0x381/0x1530
>[  501.625391][    C0]  ? unix_stream_sendmsg+0x5b9/0x630
>[  501.625399][    C0]  schedule+0x24/0xb0
>[  501.625404][    C0]  futex_wait_queue+0x60/0x90
>[  501.625411][    C0]  futex_wait+0x169/0x250
>[  501.625417][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  501.625424][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  501.625431][    C0]  do_futex+0x11c/0x1b0
>[  501.625446][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  501.625452][    C0]  do_syscall_64+0x5b/0x80
>[  501.625457][    C0]  ? exit_to_user_mode_prepare+0x1ed/0x220
>[  501.625463][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  501.625479][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.625485][    C0]  ? do_syscall_64+0x67/0x80
>[  501.625490][    C0]  ? audit_reset_context.part.19+0x26e/0x2e0
>[  501.625498][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.625504][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.625510][    C0]  ? do_syscall_64+0x67/0x80
>[  501.625514][    C0]  ? exc_page_fault+0x6e/0x150
>[  501.625520][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.625526][    C0] RIP: 0033:0x7faa8e6a3726
>[  501.625535][    C0] RSP: 002b:00007faa829f56d0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  501.625542][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa8e6a3726
>[  501.625547][    C0] RDX: 0000000000000000 RSI: 0000000000000189 RDI: 0000555861dedd0c
>[  501.625553][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  501.625558][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555861dedca0
>[  501.625564][    C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000555861dedd0c
>[  501.625570][    C0]  </TASK>
>[  501.625574][    C0] task:nscd            state:S stack:0     pid:768   tgid:753   ppid:1      flags:0x00000002
>[  501.824691][    C0] Call Trace:
>[  501.824702][    C0]  <TASK>
>[  501.824709][    C0]  __schedule+0x381/0x1530
>[  501.824720][    C0]  ? __mod_memcg_lruvec_state+0x40/0xf0
>[  501.824729][    C0]  ? drain_obj_stock+0x139/0x230
>[  501.824735][    C0]  schedule+0x24/0xb0
>[  501.824742][    C0]  futex_wait_queue+0x60/0x90
>[  501.824755][    C0]  futex_wait+0x169/0x250
>[  501.824763][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  501.824771][    C0]  ? drain_obj_stock+0xc7/0x230
>[  501.824782][    C0]  ? mod_objcg_state+0xb7/0x2f0
>[  501.824789][    C0]  ? refill_obj_stock+0xb7/0x120
>[  501.824796][    C0]  do_futex+0x11c/0x1b0
>[  501.824802][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  501.824808][    C0]  do_syscall_64+0x5b/0x80
>[  501.824815][    C0]  ? exc_page_fault+0x6e/0x150
>[  501.824825][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.824833][    C0] RIP: 0033:0x7faa8e6a3726
>[  501.824848][    C0] RSP: 002b:00007faa827f46d0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  501.824862][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa8e6a3726
>[  501.824870][    C0] RDX: 0000000000000000 RSI: 0000000000000189 RDI: 0000555861dedd0c
>[  501.824876][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  501.824884][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555861dedca0
>[  501.824892][    C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000555861dedd0c
>[  501.824899][    C0]  </TASK>
>[  501.824904][    C0] task:systemd-logind  state:S stack:0     pid:770   tgid:770   ppid:1      flags:0x00000002
>[  501.824913][    C0] Call Trace:
>[  501.824917][    C0]  <TASK>
>[  501.824920][    C0]  __schedule+0x381/0x1530
>[  501.824927][    C0]  ? locks_dispose_list+0x45/0x60
>[  501.824933][    C0]  ? posix_lock_inode+0x51f/0x8c0
>[  501.824939][    C0]  schedule+0x24/0xb0
>[  501.824944][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  501.824951][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  501.824957][    C0]  ? ep_done_scan+0xb9/0x100
>[  501.824964][    C0]  do_epoll_wait+0x59b/0x6f0
>[  501.824971][    C0]  ? __fsnotify_parent+0x111/0x360
>[  501.824978][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  501.824984][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  501.824990][    C0]  ? syscall_trace_enter.isra.16+0x135/0x1b0
>[  501.824998][    C0]  do_syscall_64+0x5b/0x80
>[  501.825003][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.825010][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.825016][    C0]  ? do_syscall_64+0x67/0x80
>[  501.825020][    C0]  ? do_syscall_64+0x67/0x80
>[  501.825025][    C0]  ? syscall_exit_to_user_mode_prepare+0x17c/0x1b0
>[  501.825032][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.825037][    C0]  ? do_syscall_64+0x67/0x80
>[  501.825042][    C0]  ? do_syscall_64+0x67/0x80
>[  501.825046][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  501.825053][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.825059][    C0] RIP: 0033:0x7fb4a352de23
>[  501.825065][    C0] RSP: 002b:00007ffea9634028 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  501.825071][    C0] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb4a352de23
>[  501.825077][    C0] RDX: 0000000000000020 RSI: 00005623dc819b10 RDI: 0000000000000004
>[  501.825083][    C0] RBP: 00005623dc80a270 R08: 0000000000000000 R09: 0000000000000007
>[  501.825095][    C0] R10: 00000000ffffffff R11: 0000000000000202 R12: 00005623dc819b10
>[  501.825105][    C0] R13: 0000000000000017 R14: 0000000000000004 R15: ffffffffffffffff
>[  501.825116][    C0]  </TASK>
>[  501.825122][    C0] task:wickedd-auto4   state:S stack:0     pid:843   tgid:843   ppid:1      flags:0x00000002
>[  501.825132][    C0] Call Trace:
>[  501.825136][    C0]  <TASK>
>[  501.825139][    C0]  __schedule+0x381/0x1530
>[  501.825150][    C0]  ? __schedule+0x389/0x1530
>[  501.825160][    C0]  schedule+0x24/0xb0
>[  501.825197][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  501.825209][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  501.825219][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  501.825228][    C0]  ? add_wait_queue+0x15/0x80
>[  501.825237][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  501.825247][    C0]  ? datagram_poll+0x22/0x100
>[  501.825258][    C0]  do_sys_poll+0x3b3/0x5f0
>[  501.825268][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  501.825280][    C0]  ? netlink_recvmsg+0x233/0x420
>[  501.825289][    C0]  ? __kmem_cache_alloc_node+0x1ad/0x300
>[  501.825299][    C0]  ? __rtnl_unlock+0x34/0x70
>[  501.825308][    C0]  ? __pfx_pollwake+0x10/0x10
>[  501.825313][    C0]  ? __pfx_pollwake+0x10/0x10
>[  501.825318][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  501.825325][    C0]  ? dev_ioctl+0xb5/0x520
>[  501.825330][    C0]  ? dev_ioctl+0xb5/0x520
>[  501.825334][    C0]  ? _copy_to_user+0x20/0x40
>[  501.825341][    C0]  ? put_user_ifreq+0x2f/0x40
>[  501.825346][    C0]  ? xen_clocksource_read+0x18/0x30
>[  501.825353][    C0]  ? ktime_get_with_offset+0x54/0xc0
>[  501.825359][    C0]  ? posix_get_boottime_timespec+0x67/0xa0
>[  501.825376][    C0]  ? _copy_to_user+0x20/0x40
>[  501.825391][    C0]  ? put_timespec64+0x3c/0x70
>[  501.825397][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  501.825403][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.825408][    C0]  ? do_syscall_64+0x67/0x80
>[  501.825413][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  501.825419][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.825424][    C0]  ? __x64_sys_poll+0x37/0x140
>[  501.825429][    C0]  __x64_sys_poll+0x37/0x140
>[  501.825434][    C0]  ? do_syscall_64+0x67/0x80
>[  501.825439][    C0]  do_syscall_64+0x5b/0x80
>[  501.825444][    C0]  ? do_syscall_64+0x67/0x80
>[  501.825449][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  501.825454][    C0]  ? do_syscall_64+0x67/0x80
>[  501.825459][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  501.825465][    C0] RIP: 0033:0x7f5fbe91f390
>[  501.825473][    C0] RSP: 002b:00007ffdf6297768 EFLAGS: 00000202 ORIG_RAX: 0000000000000007
>[  501.825490][    C0] RAX: ffffffffffffffda RBX: 000056142550bcb0 RCX: 00007f5fbe91f390
>[  501.825496][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007ffdf6297790
>[  501.825502][    C0] RBP: 00007ffdf6297830 R08: 000056142550bcb0 R09: 00007ffdf62977a6
>[  501.825507][    C0] R10: 00007ffdf6297730 R11: 0000000000000202 R12: 0000000000000002
>[  502.024619][    C0] R13: 00007ffdf6297770 R14: 00007f5fbec38ec0 R15: 00000000ffffffff
>[  502.024641][    C0]  </TASK>
>[  502.024655][    C0] task:wickedd-dhcp4   state:S stack:0     pid:844   tgid:844   ppid:1      flags:0x00000002
>[  502.024678][    C0] Call Trace:
>[  502.024682][    C0]  <TASK>
>[  502.024685][    C0]  __schedule+0x381/0x1530
>[  502.024693][    C0]  ? timerqueue_add+0x7a/0x90
>[  502.024700][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  502.024707][    C0]  schedule+0x24/0xb0
>[  502.024713][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  502.024720][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  502.024726][    C0]  do_sys_poll+0x3b3/0x5f0
>[  502.024733][    C0]  ? netlink_recvmsg+0x233/0x420
>[  502.024741][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.024746][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.024751][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  502.024758][    C0]  ? import_iovec+0x17/0x20
>[  502.024763][    C0]  ? copy_msghdr_from_user+0x72/0xb0
>[  502.024770][    C0]  ? __sys_recvmsg+0x5b/0xa0
>[  502.024776][    C0]  ? xen_clocksource_read+0x18/0x30
>[  502.024785][    C0]  ? ktime_get_with_offset+0x54/0xc0
>[  502.024797][    C0]  ? xen_clocksource_read+0x18/0x30
>[  502.024806][    C0]  ? xen_clocksource_read+0x18/0x30
>[  502.024815][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  502.024821][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  502.024827][    C0]  __x64_sys_poll+0xa2/0x140
>[  502.024832][    C0]  do_syscall_64+0x5b/0x80
>[  502.024838][    C0]  ? do_syscall_64+0x67/0x80
>[  502.024844][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  502.024850][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.024857][    C0]  ? do_syscall_64+0x67/0x80
>[  502.024862][    C0]  ? do_syscall_64+0x67/0x80
>[  502.024871][    C0]  ? exc_page_fault+0x6e/0x150
>[  502.024881][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.024891][    C0] RIP: 0033:0x7f335fb1f390
>[  502.024904][    C0] RSP: 002b:00007fff9cab5288 EFLAGS: 00000202 ORIG_RAX: 0000000000000007
>[  502.024915][    C0] RAX: ffffffffffffffda RBX: 000055ccf249abd0 RCX: 00007f335fb1f390
>[  502.024924][    C0] RDX: 00000000000db377 RSI: 0000000000000002 RDI: 00007fff9cab52b0
>[  502.024934][    C0] RBP: 00007fff9cab5350 R08: 000000000000000d R09: 00007fff9cab52c6
>[  502.024943][    C0] R10: 00007fff9cab5250 R11: 0000000000000202 R12: 0000000000000002
>[  502.024949][    C0] R13: 00007fff9cab5290 R14: 00007f335fea4ec0 R15: 00000000000db377
>[  502.024956][    C0]  </TASK>
>[  502.024959][    C0] task:wickedd-dhcp6   state:S stack:0     pid:845   tgid:845   ppid:1      flags:0x00000002
>[  502.024968][    C0] Call Trace:
>[  502.024972][    C0]  <TASK>
>[  502.024975][    C0]  __schedule+0x381/0x1530
>[  502.024981][    C0]  ? timerqueue_add+0x7a/0x90
>[  502.024988][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  502.024994][    C0]  schedule+0x24/0xb0
>[  502.024999][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  502.025006][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  502.025012][    C0]  do_sys_poll+0x3b3/0x5f0
>[  502.025018][    C0]  ? copyout+0x20/0x30
>[  502.025024][    C0]  ? _copy_to_iter+0x58/0x520
>[  502.025031][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  502.025037][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  502.025043][    C0]  ? free_unref_page_prepare+0xfa/0x3b0
>[  502.025049][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  502.025056][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  502.025061][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.025066][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.025071][    C0]  ? _copy_to_user+0x20/0x40
>[  502.025077][    C0]  ? move_addr_to_user+0x42/0xe0
>[  502.025082][    C0]  ? copy_msghdr_from_user+0x72/0xb0
>[  502.025089][    C0]  ? ____sys_recvmsg+0xfa/0x1b0
>[  502.025094][    C0]  ? import_iovec+0x17/0x20
>[  502.025099][    C0]  ? copy_msghdr_from_user+0x72/0xb0
>[  502.025105][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  502.025111][    C0]  ? xen_clocksource_read+0x18/0x30
>[  502.025117][    C0]  ? ktime_get_with_offset+0x54/0xc0
>[  502.025122][    C0]  ? xen_clocksource_read+0x18/0x30
>[  502.025128][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  502.025133][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  502.025138][    C0]  __x64_sys_poll+0xa2/0x140
>[  502.025143][    C0]  do_syscall_64+0x5b/0x80
>[  502.025148][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  502.025154][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.025159][    C0]  ? do_syscall_64+0x67/0x80
>[  502.025164][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.025169][    C0]  ? do_syscall_64+0x67/0x80
>[  502.025184][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.025189][    C0]  ? do_syscall_64+0x67/0x80
>[  502.025193][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.025198][    C0]  ? do_syscall_64+0x67/0x80
>[  502.025203][    C0]  ? do_syscall_64+0x67/0x80
>[  502.025207][    C0]  ? do_syscall_64+0x67/0x80
>[  502.025212][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.025218][    C0] RIP: 0033:0x7f374e71f390
>[  502.025223][    C0] RSP: 002b:00007ffcf1232fc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000007
>[  502.025239][    C0] RAX: ffffffffffffffda RBX: 00005615f4f23bd0 RCX: 00007f374e71f390
>[  502.025245][    C0] RDX: 000000000003e859 RSI: 0000000000000002 RDI: 00007ffcf1232ff0
>[  502.025250][    C0] RBP: 00007ffcf1233090 R08: 000000000000010a R09: 0000000000000007
>[  502.025256][    C0] R10: 00007ffcf1232f90 R11: 0000000000000202 R12: 0000000000000002
>[  502.025261][    C0] R13: 00007ffcf1232fd0 R14: 00007f374eaebec0 R15: 000000000003e859
>[  502.025268][    C0]  </TASK>
>[  502.025272][    C0] task:wickedd         state:S stack:0     pid:848   tgid:848   ppid:1      flags:0x00000002
>[  502.025289][    C0] Call Trace:
>[  502.025292][    C0]  <TASK>
>[  502.025295][    C0]  __schedule+0x381/0x1530
>[  502.025301][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  502.025309][    C0]  schedule+0x24/0xb0
>[  502.025314][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  502.025320][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  502.025326][    C0]  ? add_wait_queue+0x15/0x80
>[  502.025330][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  502.025336][    C0]  ? unix_poll+0x23/0x100
>[  502.224453][    C0]  do_sys_poll+0x3b3/0x5f0
>[  502.224472][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  502.224488][    C0]  ? __wake_up_common+0x74/0x130
>[  502.224493][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  502.224500][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  502.224506][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.224511][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.224516][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.224521][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.224526][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.224531][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.224536][    C0]  ? xen_clocksource_read+0x18/0x30
>[  502.224543][    C0]  ? ktime_get_with_offset+0x54/0xc0
>[  502.224549][    C0]  ? __x64_sys_poll+0x37/0x140
>[  502.224554][    C0]  __x64_sys_poll+0x37/0x140
>[  502.224559][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.224565][    C0]  do_syscall_64+0x5b/0x80
>[  502.224570][    C0]  ? do_syscall_64+0x67/0x80
>[  502.224575][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.224581][    C0]  ? do_syscall_64+0x67/0x80
>[  502.224586][    C0]  ? exit_to_user_mode_prepare+0x1ed/0x220
>[  502.224593][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  502.224599][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.224607][    C0] RIP: 0033:0x7f26e231f390
>[  502.224614][    C0] RSP: 002b:00007ffef52c71e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000007
>[  502.224620][    C0] RAX: ffffffffffffffda RBX: 0000560297793ce0 RCX: 00007f26e231f390
>[  502.224626][    C0] RDX: 00000000ffffffff RSI: 0000000000000006 RDI: 00007ffef52c7230
>[  502.224632][    C0] RBP: 00007ffef52c72f0 R08: 0000560297793ce0 R09: 00007ffef52c7266
>[  502.224637][    C0] R10: 00007ffef52c71b0 R11: 0000000000000202 R12: 0000000000000006
>[  502.224643][    C0] R13: 00007ffef52c71f0 R14: 00007f26e273aec0 R15: 00000000ffffffff
>[  502.224650][    C0]  </TASK>
>[  502.224653][    C0] task:bpfilter_umh    state:S stack:0     pid:849   tgid:849   ppid:2      flags:0x00000002
>[  502.224662][    C0] Call Trace:
>[  502.224665][    C0]  <TASK>
>[  502.224668][    C0]  __schedule+0x381/0x1530
>[  502.224675][    C0]  schedule+0x24/0xb0
>[  502.224680][    C0]  pipe_read+0x2fc/0x470
>[  502.224687][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  502.224694][    C0]  vfs_read+0x2c0/0x2e0
>[  502.224701][    C0]  ksys_read+0x50/0xe0
>[  502.224707][    C0]  do_syscall_64+0x5b/0x80
>[  502.224712][    C0]  ? ksys_write+0x50/0xe0
>[  502.224717][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  502.224722][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.224728][    C0]  ? do_syscall_64+0x67/0x80
>[  502.224733][    C0]  ? do_syscall_64+0x67/0x80
>[  502.224737][    C0]  ? ksys_write+0x50/0xe0
>[  502.224742][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  502.224749][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.224754][    C0]  ? do_syscall_64+0x67/0x80
>[  502.224759][    C0]  ? do_syscall_64+0x67/0x80
>[  502.224764][    C0]  ? exc_page_fault+0x6e/0x150
>[  502.224769][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.224775][    C0] RIP: 0033:0x7f013571f9dd
>[  502.224780][    C0] RSP: 002b:00007ffe1ca71e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
>[  502.224791][    C0] RAX: ffffffffffffffda RBX: 00007ffe1ca71e70 RCX: 00007f013571f9dd
>[  502.224802][    C0] RDX: 0000000000000018 RSI: 00007ffe1ca71e70 RDI: 0000000000000000
>[  502.224811][    C0] RBP: 00007ffe1ca71e6c R08: 0000000000001000 R09: 0000000000000000
>[  502.224819][    C0] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffa4
>[  502.224824][    C0] R13: 00007ffe1ca71fc8 R14: 00005577a4a05d80 R15: 00007f0135976000
>[  502.224832][    C0]  </TASK>
>[  502.224836][    C0] task:wickedd-nanny   state:S stack:0     pid:861   tgid:861   ppid:1      flags:0x00000002
>[  502.224849][    C0] Call Trace:
>[  502.224855][    C0]  <TASK>
>[  502.224860][    C0]  __schedule+0x381/0x1530
>[  502.224870][    C0]  ? __kmem_cache_alloc_node+0x1ad/0x300
>[  502.224882][    C0]  ? __napi_build_skb+0x60/0x70
>[  502.224890][    C0]  schedule+0x24/0xb0
>[  502.224895][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  502.224904][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  502.224914][    C0]  ? add_wait_queue+0x15/0x80
>[  502.224929][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  502.224935][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  502.224951][    C0]  ? add_wait_queue+0x15/0x80
>[  502.224958][    C0]  do_sys_poll+0x3b3/0x5f0
>[  502.224964][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  502.224972][    C0]  ? sock_def_readable+0x3e/0xc0
>[  502.224977][    C0]  ? unix_stream_sendmsg+0x59a/0x630
>[  502.224985][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.224990][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.225004][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.225009][    C0]  ? import_iovec+0x17/0x20
>[  502.225014][    C0]  ? copy_msghdr_from_user+0x72/0xb0
>[  502.225021][    C0]  ? xen_clocksource_read+0x18/0x30
>[  502.225026][    C0]  ? ktime_get_with_offset+0x54/0xc0
>[  502.225031][    C0]  ? posix_get_boottime_timespec+0x67/0xa0
>[  502.225037][    C0]  ? _copy_to_user+0x20/0x40
>[  502.225043][    C0]  ? put_timespec64+0x3c/0x70
>[  502.225048][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  502.225054][    C0]  ? __x64_sys_poll+0x37/0x140
>[  502.225059][    C0]  ? posix_get_boottime_timespec+0x67/0xa0
>[  502.225064][    C0]  __x64_sys_poll+0x37/0x140
>[  502.225069][    C0]  ? _copy_to_user+0x20/0x40
>[  502.225085][    C0]  ? put_timespec64+0x3c/0x70
>[  502.225090][    C0]  do_syscall_64+0x5b/0x80
>[  502.225095][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.225100][    C0]  ? do_syscall_64+0x67/0x80
>[  502.225105][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.225111][    C0]  ? do_syscall_64+0x67/0x80
>[  502.225115][    C0]  ? exc_page_fault+0x6e/0x150
>[  502.225120][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.225127][    C0] RIP: 0033:0x7f60b2f1f390
>[  502.225142][    C0] RSP: 002b:00007ffd6c4d2ab8 EFLAGS: 00000202 ORIG_RAX: 0000000000000007
>[  502.424187][    C0] RAX: ffffffffffffffda RBX: 000055d454231330 RCX: 00007f60b2f1f390
>[  502.424200][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00007ffd6c4d2ae0
>[  502.424213][    C0] RBP: 00007ffd6c4d2b80 R08: 000055d4542cb910 R09: 000055d4542cb910
>[  502.424222][    C0] R10: 00007ffd6c4d2a80 R11: 0000000000000202 R12: 0000000000000003
>[  502.424230][    C0] R13: 00007ffd6c4d2ac0 R14: 00007f60b32c6ec0 R15: 00000000ffffffff
>[  502.424243][    C0]  </TASK>
>[  502.424251][    C0] task:polkitd         state:S stack:0     pid:923   tgid:923   ppid:1      flags:0x00000002
>[  502.424265][    C0] Call Trace:
>[  502.424270][    C0]  <TASK>
>[  502.424275][    C0]  __schedule+0x381/0x1530
>[  502.424288][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  502.424300][    C0]  ? __schedule+0x370/0x1530
>[  502.424312][    C0]  schedule+0x24/0xb0
>[  502.424321][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  502.424331][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  502.424342][    C0]  ? hrtimer_try_to_cancel+0xaf/0x100
>[  502.424354][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  502.424363][    C0]  ? add_wait_queue+0x15/0x80
>[  502.424373][    C0]  do_sys_poll+0x3b3/0x5f0
>[  502.424383][    C0]  ? __raw_callee_save_xen_pte_val+0x11/0x30
>[  502.424392][    C0]  ? gup_pgd_range+0x5da/0x1080
>[  502.424398][    C0]  ? __update_load_avg_se+0x2a1/0x320
>[  502.424404][    C0]  ? __update_load_avg_se+0x2a1/0x320
>[  502.424412][    C0]  ? xen_sched_clock+0x18/0x40
>[  502.424421][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.424429][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.424434][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  502.424442][    C0]  ? wakeup_preempt+0x29/0x60
>[  502.424451][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  502.424460][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  502.424465][    C0]  ? pollwake+0x74/0xa0
>[  502.424470][    C0]  ? __pfx_default_wake_function+0x10/0x10
>[  502.424477][    C0]  ? __wake_up_common+0x74/0x130
>[  502.424485][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  502.424494][    C0]  ? eventfd_write+0xc6/0x1e0
>[  502.424502][    C0]  ? __x64_sys_poll+0x37/0x140
>[  502.424510][    C0]  __x64_sys_poll+0x37/0x140
>[  502.424518][    C0]  ? __fget_light+0xcb/0x120
>[  502.424523][    C0]  do_syscall_64+0x5b/0x80
>[  502.424528][    C0]  ? ksys_write+0x66/0xe0
>[  502.424536][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.424546][    C0]  ? do_syscall_64+0x67/0x80
>[  502.424552][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.424558][    C0]  ? do_syscall_64+0x67/0x80
>[  502.424563][    C0]  ? do_syscall_64+0x67/0x80
>[  502.424569][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  502.424578][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.424586][    C0] RIP: 0033:0x7ff61a11f3cf
>[  502.424601][    C0] RSP: 002b:00007ffceea14c20 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  502.424611][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff61a11f3cf
>[  502.424618][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 0000564f4f5a9ce0
>[  502.424624][    C0] RBP: 0000564f4f575a90 R08: 0000000000000000 R09: 0000000000000000
>[  502.424630][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000564f4f5a9ce0
>[  502.424636][    C0] R13: 00000000ffffffff R14: 00007ff61a71c890 R15: 0000000000000002
>[  502.424643][    C0]  </TASK>
>[  502.424647][    C0] task:gmain           state:S stack:0     pid:925   tgid:923   ppid:1      flags:0x00000002
>[  502.424655][    C0] Call Trace:
>[  502.424659][    C0]  <TASK>
>[  502.424664][    C0]  __schedule+0x381/0x1530
>[  502.424675][    C0]  schedule+0x24/0xb0
>[  502.424683][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  502.424691][    C0]  ? poll_freewait+0x45/0xa0
>[  502.424699][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  502.424708][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  502.424717][    C0]  do_sys_poll+0x3b3/0x5f0
>[  502.424722][    C0]  ? __raw_callee_save_xen_pmd_val+0x11/0x30
>[  502.424729][    C0]  ? prep_new_page+0x193/0x1b0
>[  502.424735][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  502.424742][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.424747][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.424752][    C0]  ? aa_file_perm+0x125/0x500
>[  502.424760][    C0]  ? copyout+0x20/0x30
>[  502.424766][    C0]  ? copyout+0x20/0x30
>[  502.424771][    C0]  ? _copy_to_iter+0x58/0x520
>[  502.424777][    C0]  ? eventfd_read+0x180/0x1f0
>[  502.424783][    C0]  ? vfs_read+0x230/0x2e0
>[  502.424789][    C0]  ? __x64_sys_poll+0x37/0x140
>[  502.424793][    C0]  __x64_sys_poll+0x37/0x140
>[  502.424798][    C0]  ? do_syscall_64+0x67/0x80
>[  502.424803][    C0]  do_syscall_64+0x5b/0x80
>[  502.424808][    C0]  ? do_user_addr_fault+0x267/0x890
>[  502.424815][    C0]  ? exc_page_fault+0x6e/0x150
>[  502.424820][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.424826][    C0] RIP: 0033:0x7ff61a11f3cf
>[  502.424832][    C0] RSP: 002b:00007ff61970ac50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  502.424838][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff61a11f3cf
>[  502.424844][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 0000564f4f5751b0
>[  502.424849][    C0] RBP: 0000564f4f574fa0 R08: 0000000000000000 R09: 0000000000000000
>[  502.424855][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000564f4f5751b0
>[  502.424860][    C0] R13: 00000000ffffffff R14: 00007ff61a71c890 R15: 0000000000000002
>[  502.424867][    C0]  </TASK>
>[  502.424870][    C0] task:pool-spawner    state:S stack:0     pid:926   tgid:923   ppid:1      flags:0x00000002
>[  502.424878][    C0] Call Trace:
>[  502.424881][    C0]  <TASK>
>[  502.625059][    C0]  __schedule+0x381/0x1530
>[  502.625077][    C0]  schedule+0x24/0xb0
>[  502.625083][    C0]  futex_wait_queue+0x60/0x90
>[  502.625091][    C0]  futex_wait+0x169/0x250
>[  502.625097][    C0]  ? futex_wake+0x140/0x160
>[  502.625104][    C0]  do_futex+0x11c/0x1b0
>[  502.625119][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  502.625125][    C0]  ? __x64_sys_rt_sigprocmask+0x76/0xd0
>[  502.625142][    C0]  do_syscall_64+0x5b/0x80
>[  502.625148][    C0]  ? exc_page_fault+0x6e/0x150
>[  502.625154][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.625171][    C0] RIP: 0033:0x7ff61a12b729
>[  502.625194][    C0] RSP: 002b:00007ff618f09c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  502.625201][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff61a12b729
>[  502.625218][    C0] RDX: 0000000000000001 RSI: 0000000000000080 RDI: 0000564f4f5620d0
>[  502.625223][    C0] RBP: 0000564f4f5620c0 R08: 0000000000000001 R09: 0000000000000001
>[  502.625239][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff618f0a570
>[  502.625244][    C0] R13: 0000000000000000 R14: 0000564f4f5620d0 R15: 00007ff61870a000
>[  502.625251][    C0]  </TASK>
>[  502.625266][    C0] task:gdbus           state:S stack:0     pid:927   tgid:923   ppid:1      flags:0x00000002
>[  502.625285][    C0] Call Trace:
>[  502.625288][    C0]  <TASK>
>[  502.625291][    C0]  __schedule+0x381/0x1530
>[  502.625297][    C0]  ? wakeup_preempt+0x29/0x60
>[  502.625304][    C0]  ? try_to_wake_up+0x3a0/0x5e0
>[  502.625309][    C0]  schedule+0x24/0xb0
>[  502.625315][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  502.625322][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  502.625328][    C0]  ? add_wait_queue+0x15/0x80
>[  502.625333][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  502.625340][    C0]  ? unix_poll+0x23/0x100
>[  502.625345][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  502.625351][    C0]  do_sys_poll+0x3b3/0x5f0
>[  502.625359][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  502.625364][    C0]  ? sock_def_readable+0x3e/0xc0
>[  502.625371][    C0]  ? unix_stream_sendmsg+0x59a/0x630
>[  502.625377][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.625382][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.625387][    C0]  ? ___sys_sendmsg+0x9a/0xd0
>[  502.625394][    C0]  ? _copy_to_iter+0x58/0x520
>[  502.625401][    C0]  ? aa_file_perm+0x125/0x500
>[  502.625409][    C0]  ? copyout+0x20/0x30
>[  502.625414][    C0]  ? _copy_to_iter+0x58/0x520
>[  502.625420][    C0]  ? eventfd_read+0x180/0x1f0
>[  502.625427][    C0]  ? __sys_sendmsg+0x91/0xa0
>[  502.625433][    C0]  ? __x64_sys_poll+0x37/0x140
>[  502.625438][    C0]  __x64_sys_poll+0x37/0x140
>[  502.625443][    C0]  do_syscall_64+0x5b/0x80
>[  502.625450][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.625455][    C0]  ? do_syscall_64+0x67/0x80
>[  502.625460][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.625466][    C0]  ? do_syscall_64+0x67/0x80
>[  502.625470][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  502.625477][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.625483][    C0]  ? do_syscall_64+0x67/0x80
>[  502.625487][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.625493][    C0]  ? do_syscall_64+0x67/0x80
>[  502.625497][    C0]  ? do_syscall_64+0x67/0x80
>[  502.625502][    C0]  ? do_syscall_64+0x67/0x80
>[  502.625507][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  502.625512][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.625518][    C0] RIP: 0033:0x7ff61a11f3cf
>[  502.625523][    C0] RSP: 002b:00007ff613ffec50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  502.625530][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff61a11f3cf
>[  502.625535][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007ff604000b90
>[  502.625542][    C0] RBP: 0000564f4f586be0 R08: 0000000000000000 R09: 0000000000000000
>[  502.625547][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff604000b90
>[  502.625553][    C0] R13: 00000000ffffffff R14: 00007ff61a71c890 R15: 0000000000000002
>[  502.625560][    C0]  </TASK>
>[  502.625564][    C0] task:rsyslogd        state:S stack:0     pid:1390  tgid:1390  ppid:1      flags:0x00000002
>[  502.625572][    C0] Call Trace:
>[  502.625575][    C0]  <TASK>
>[  502.625578][    C0]  __schedule+0x381/0x1530
>[  502.625584][    C0]  ? timerqueue_add+0x7a/0x90
>[  502.625591][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  502.625599][    C0]  schedule+0x24/0xb0
>[  502.625604][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  502.625610][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  502.625616][    C0]  do_select+0x5a4/0x840
>[  502.625622][    C0]  ? update_load_avg+0x217/0x780
>[  502.625631][    C0]  ? update_load_avg+0x217/0x780
>[  502.625640][    C0]  ? place_entity+0xd6/0x120
>[  502.625650][    C0]  ? set_next_buddy+0x55/0x90
>[  502.625660][    C0]  ? check_preempt_wakeup_fair+0x196/0x2c0
>[  502.625670][    C0]  ? wakeup_preempt+0x29/0x60
>[  502.625679][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  502.625687][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  502.625695][    C0]  ? ep_autoremove_wake_function+0xe/0x30
>[  502.625701][    C0]  ? __wake_up_common+0x74/0x130
>[  502.625706][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  502.625712][    C0]  ? ep_poll_callback+0x249/0x2c0
>[  502.625718][    C0]  ? __wake_up_common+0x74/0x130
>[  502.625723][    C0]  ? core_sys_select+0x23e/0x340
>[  502.625728][    C0]  core_sys_select+0x23e/0x340
>[  502.625734][    C0]  ? pmu_msr_read+0x36/0xd0
>[  502.625740][    C0]  ? xen_extend_mmuext_op+0x20/0xe0
>[  502.625745][    C0]  ? xen_mc_flush+0x87/0x230
>[  502.625751][    C0]  ? xen_load_sp0+0x16a/0x170
>[  502.625757][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  502.625763][    C0]  ? recalc_sigpending+0x17/0x50
>[  502.625769][    C0]  ? __set_task_blocked+0x38/0x90
>[  502.625776][    C0]  do_pselect.constprop.15+0xbf/0x100
>[  502.625782][    C0]  __x64_sys_pselect6+0x55/0x70
>[  502.625787][    C0]  do_syscall_64+0x5b/0x80
>[  502.625792][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  502.625799][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.625804][    C0]  ? do_syscall_64+0x67/0x80
>[  502.625809][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.625814][    C0]  ? do_syscall_64+0x67/0x80
>[  502.625819][    C0]  ? do_syscall_64+0x67/0x80
>[  502.625823][    C0]  ? exc_page_fault+0x6e/0x150
>[  502.625828][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.625834][    C0] RIP: 0033:0x7fd9abb2a401
>[  502.625840][    C0] RSP: 002b:00007fff94e76550 EFLAGS: 00000293 ORIG_RAX: 000000000000010e
>[  502.625846][    C0] RAX: ffffffffffffffda RBX: 00007fff94e765f0 RCX: 00007fd9abb2a401
>[  502.625852][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
>[  502.625857][    C0] RBP: 0000000000000000 R08: 00007fff94e76580 R09: 00007fff94e76590
>[  502.625863][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fff94e76680
>[  502.825268][    C0] R13: 0000000000000000 R14: 00007fff94e765e8 R15: 00007fd9ac241000
>[  502.825304][    C0]  </TASK>
>[  502.825310][    C0] task:in:immark       state:S stack:0     pid:1398  tgid:1390  ppid:1      flags:0x00000002
>[  502.825321][    C0] Call Trace:
>[  502.825324][    C0]  <TASK>
>[  502.825328][    C0]  __schedule+0x381/0x1530
>[  502.825338][    C0]  ? timerqueue_add+0x7a/0x90
>[  502.825345][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  502.825353][    C0]  schedule+0x24/0xb0
>[  502.825359][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  502.825366][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  502.825373][    C0]  do_select+0x5a4/0x840
>[  502.825379][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  502.825396][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  502.825412][    C0]  ? mas_update_gap.part.50+0x1c7/0x1f0
>[  502.825419][    C0]  ? mas_wr_node_store+0x296/0x590
>[  502.825425][    C0]  ? kmem_cache_free_bulk.part.79+0x6e8/0x720
>[  502.825433][    C0]  ? mas_destroy+0xb1/0x110
>[  502.825438][    C0]  ? prep_new_page+0x193/0x1b0
>[  502.825444][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  502.825452][    C0]  ? core_sys_select+0x23e/0x340
>[  502.825457][    C0]  core_sys_select+0x23e/0x340
>[  502.825463][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  502.825469][    C0]  ? xen_set_pte+0x90/0x2b0
>[  502.825476][    C0]  ? set_pte_at+0x15/0x30
>[  502.825482][    C0]  ? do_pte_missing+0x426/0x7f0
>[  502.825487][    C0]  ? xen_clocksource_read+0x18/0x30
>[  502.825495][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  502.825500][    C0]  do_pselect.constprop.15+0xbf/0x100
>[  502.825506][    C0]  __x64_sys_pselect6+0x55/0x70
>[  502.825511][    C0]  do_syscall_64+0x5b/0x80
>[  502.825517][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  502.825523][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  502.825528][    C0]  ? do_user_addr_fault+0x267/0x890
>[  502.825535][    C0]  ? exc_page_fault+0x6e/0x150
>[  502.825541][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.825548][    C0] RIP: 0033:0x7fd9abb2b0bc
>[  502.825562][    C0] RSP: 002b:00007fd9ab53ac40 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
>[  502.825569][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd9abb2b0bc
>[  502.825575][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
>[  502.825580][    C0] RBP: 00007fd9ab53acb0 R08: 00007fd9ab53ac50 R09: 0000000000000000
>[  502.825586][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
>[  502.825592][    C0] R13: 00007fd9ab53ac50 R14: 0000000000000000 R15: 0000000000000000
>[  502.825598][    C0]  </TASK>
>[  502.825601][    C0] task:in:imuxsock     state:S stack:0     pid:1399  tgid:1390  ppid:1      flags:0x00000002
>[  502.825609][    C0] Call Trace:
>[  502.825613][    C0]  <TASK>
>[  502.825616][    C0]  __schedule+0x381/0x1530
>[  502.825622][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  502.825628][    C0]  ? remove_wait_queue+0x12/0x50
>[  502.825634][    C0]  schedule+0x24/0xb0
>[  502.825640][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  502.825647][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  502.825658][    C0]  ? add_wait_queue+0x15/0x80
>[  502.825667][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  502.825675][    C0]  ? unix_dgram_poll+0x2b/0x1b0
>[  502.825685][    C0]  do_sys_poll+0x3b3/0x5f0
>[  502.825694][    C0]  ? refill_obj_stock+0xa9/0x120
>[  502.825702][    C0]  ? __unix_dgram_recvmsg+0x19e/0x550
>[  502.825711][    C0]  ? update_load_avg+0x217/0x780
>[  502.825721][    C0]  ? place_entity+0xd6/0x120
>[  502.825728][    C0]  ? update_load_avg+0x217/0x780
>[  502.825738][    C0]  ? update_curr+0x69/0x1f0
>[  502.825747][    C0]  ? __pfx_pollwake+0x10/0x10
>[  502.825755][    C0]  ? wakeup_preempt+0x29/0x60
>[  502.825764][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  502.825772][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  502.825782][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  502.825789][    C0]  ? copy_msghdr_from_user+0x72/0xb0
>[  502.825799][    C0]  ? wake_up_q+0x49/0x90
>[  502.825807][    C0]  ? futex_wake+0x140/0x160
>[  502.825817][    C0]  ? do_futex+0xfb/0x1b0
>[  502.825824][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  502.825834][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.825843][    C0]  ? do_syscall_64+0x67/0x80
>[  502.825851][    C0]  ? __sys_recvmsg+0x8e/0xa0
>[  502.825861][    C0]  ? __x64_sys_poll+0x37/0x140
>[  502.825869][    C0]  __x64_sys_poll+0x37/0x140
>[  502.825877][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  502.825886][    C0]  do_syscall_64+0x5b/0x80
>[  502.825894][    C0]  ? do_syscall_64+0x67/0x80
>[  502.825902][    C0]  ? do_syscall_64+0x67/0x80
>[  502.825910][    C0]  ? do_syscall_64+0x67/0x80
>[  502.825917][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  502.825928][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  502.825937][    C0] RIP: 0033:0x7fd9abb1f3cf
>[  502.825943][    C0] RSP: 002b:00007fd9ab139c90 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  502.825952][    C0] RAX: ffffffffffffffda RBX: 0000000000000058 RCX: 00007fd9abb1f3cf
>[  502.825962][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007fd99c000b90
>[  502.825981][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055ae754155b8
>[  502.825989][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd99c000b88
>[  502.825999][    C0] R13: 00007fd99c000b90 R14: 0000000000000002 R15: 00000000ffffffff
>[  502.826009][    C0]  </TASK>
>[  502.826014][    C0] task:in:imklog       state:S stack:0     pid:1400  tgid:1390  ppid:1      flags:0x00000002
>[  502.826037][    C0] Call Trace:
>[  502.826042][    C0]  <TASK>
>[  502.826047][    C0]  __schedule+0x381/0x1530
>[  502.826056][    C0]  ? _prb_read_valid+0x212/0x290
>[  502.826063][    C0]  schedule+0x24/0xb0
>[  502.826068][    C0]  syslog_print+0xe5/0x2e0
>[  502.826074][    C0]  ? __pfx_autoremove_wake_function+0x10/0x10
>[  502.826081][    C0]  ? wakeup_preempt+0x29/0x60
>[  502.826085][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  502.826090][    C0]  ? aa_file_perm+0x125/0x500
>[  502.826108][    C0]  do_syslog+0x1b0/0x320
>[  502.826113][    C0]  ? common_file_perm+0x74/0x1a0
>[  502.826119][    C0]  kmsg_read+0x3e/0x50
>[  502.826135][    C0]  vfs_read+0xa8/0x2e0
>[  502.826141][    C0]  ? __fget_light+0xcb/0x120
>[  502.826157][    C0]  ksys_read+0xa5/0xe0
>[  502.826162][    C0]  ? do_syscall_64+0x67/0x80
>[  502.826166][    C0]  do_syscall_64+0x5b/0x80
>[  502.826182][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  502.826188][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  503.025233][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.025270][    C0]  ? do_syscall_64+0x67/0x80
>[  503.025276][    C0]  ? exc_page_fault+0x6e/0x150
>[  503.025291][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.025300][    C0] RIP: 0033:0x7fd9abb1fa1c
>[  503.025324][    C0] RSP: 002b:00007fd9aad18460 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
>[  503.025341][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd9abb1fa1c
>[  503.025347][    C0] RDX: 0000000000001fa0 RSI: 00007fd9aad18ca0 RDI: 0000000000000005
>[  503.025362][    C0] RBP: 000055ae754080d0 R08: 0000000000000000 R09: 000055ae754155b8
>[  503.025367][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd9aad18ca0
>[  503.025373][    C0] R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007fd9aad18cd8
>[  503.025390][    C0]  </TASK>
>[  503.025404][    C0] task:rs:main Q:Reg   state:S stack:0     pid:1401  tgid:1390  ppid:1      flags:0x00000002
>[  503.025425][    C0] Call Trace:
>[  503.025429][    C0]  <TASK>
>[  503.025444][    C0]  __schedule+0x381/0x1530
>[  503.025452][    C0]  schedule+0x24/0xb0
>[  503.025457][    C0]  futex_wait_queue+0x60/0x90
>[  503.025480][    C0]  futex_wait+0x169/0x250
>[  503.025485][    C0]  ? vfs_write+0x1b6/0x380
>[  503.025492][    C0]  ? vfs_write+0x1b6/0x380
>[  503.025499][    C0]  do_futex+0x11c/0x1b0
>[  503.025504][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  503.025511][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  503.025519][    C0]  do_syscall_64+0x5b/0x80
>[  503.025524][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  503.025531][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.025537][    C0] RIP: 0033:0x7fd9abaa3726
>[  503.025542][    C0] RSP: 002b:00007fd9aa937a20 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  503.025549][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9abaa3726
>[  503.025555][    C0] RDX: 0000000000000000 RSI: 0000000000000189 RDI: 000055ae754155c4
>[  503.025560][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  503.025566][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ae75403b30
>[  503.025572][    C0] R13: 0000000000000000 R14: 0000000000000001 R15: 000055ae754155c4
>[  503.025578][    C0]  </TASK>
>[  503.025582][    C0] task:sshd            state:S stack:0     pid:1394  tgid:1394  ppid:1      flags:0x00000002
>[  503.025590][    C0] Call Trace:
>[  503.025593][    C0]  <TASK>
>[  503.025596][    C0]  __schedule+0x381/0x1530
>[  503.025602][    C0]  ? __schedule+0x389/0x1530
>[  503.025609][    C0]  schedule+0x24/0xb0
>[  503.025614][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  503.025621][    C0]  ? add_wait_queue+0x15/0x80
>[  503.025626][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  503.025633][    C0]  ? tcp_poll+0x2b/0x380
>[  503.025639][    C0]  do_select+0x5a4/0x840
>[  503.025646][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.025651][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.025656][    C0]  ? __inode_wait_for_writeback+0x7f/0xf0
>[  503.025662][    C0]  ? fsnotify_grab_connector+0x4b/0x90
>[  503.025669][    C0]  ? fsnotify_destroy_marks+0x24/0x160
>[  503.025674][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  503.025680][    C0]  ? d_walk+0x1ec/0x2c0
>[  503.025692][    C0]  ? __inode_wait_for_writeback+0x7f/0xf0
>[  503.025703][    C0]  ? fsnotify_grab_connector+0x4b/0x90
>[  503.025713][    C0]  ? fsnotify_destroy_marks+0x24/0x160
>[  503.025721][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  503.025731][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  503.025740][    C0]  ? release_task+0x3f2/0x4d0
>[  503.025750][    C0]  ? core_sys_select+0x23e/0x340
>[  503.025760][    C0]  core_sys_select+0x23e/0x340
>[  503.025769][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  503.025776][    C0]  ? __fpu_restore_sig+0x1b9/0x550
>[  503.025783][    C0]  ? aa_file_perm+0x125/0x500
>[  503.025791][    C0]  ? __mod_memcg_state+0x66/0xe0
>[  503.025801][    C0]  ? refill_stock+0x24/0x30
>[  503.025809][    C0]  ? obj_cgroup_uncharge_pages+0x3b/0xa0
>[  503.025817][    C0]  ? percpu_ref_put_many.constprop.82+0x9/0x40
>[  503.025825][    C0]  ? __inode_wait_for_writeback+0x7f/0xf0
>[  503.025832][    C0]  do_pselect.constprop.15+0xbf/0x100
>[  503.025838][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  503.025846][    C0]  __x64_sys_pselect6+0x55/0x70
>[  503.025851][    C0]  do_syscall_64+0x5b/0x80
>[  503.025856][    C0]  ? exit_to_user_mode_prepare+0x1ed/0x220
>[  503.025864][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  503.025870][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.025876][    C0]  ? do_syscall_64+0x67/0x80
>[  503.025881][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.025886][    C0]  ? do_syscall_64+0x67/0x80
>[  503.025891][    C0]  ? exc_page_fault+0x6e/0x150
>[  503.025896][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.025902][    C0] RIP: 0033:0x7f717a12b024
>[  503.025908][    C0] RSP: 002b:00007ffc020186b0 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
>[  503.025915][    C0] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f717a12b024
>[  503.025921][    C0] RDX: 0000000000000000 RSI: 000055a162d01040 RDI: 0000000000000012
>[  503.025927][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
>[  503.025939][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a162d01040
>[  503.025948][    C0] R13: 0000000000000000 R14: 000000000000018c R15: 0000000000000000
>[  503.025959][    C0]  </TASK>
>[  503.025965][    C0] task:gdm             state:S stack:0     pid:1423  tgid:1423  ppid:1      flags:0x00000002
>[  503.025977][    C0] Call Trace:
>[  503.025983][    C0]  <TASK>
>[  503.025988][    C0]  __schedule+0x381/0x1530
>[  503.025997][    C0]  ? schedule_hrtimeout_range_clock+0xb0/0x120
>[  503.026007][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  503.026016][    C0]  ? add_wait_queue_priority+0x70/0x80
>[  503.026033][    C0]  schedule+0x24/0xb0
>[  503.026038][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  503.026044][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  503.026061][    C0]  ? add_wait_queue+0x15/0x80
>[  503.026066][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  503.026073][    C0]  ? unix_poll+0x23/0x100
>[  503.026080][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  503.026086][    C0]  do_sys_poll+0x3b3/0x5f0
>[  503.026092][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.026097][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  503.026105][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.026110][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.026115][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.026120][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.026125][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.026130][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.026134][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.026139][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.026154][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.026159][    C0]  ? do_syscall_64+0x67/0x80
>[  503.026164][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.026169][    C0]  ? do_syscall_64+0x67/0x80
>[  503.026174][    C0]  ? __x64_sys_poll+0x37/0x140
>[  503.225305][    C0]  __x64_sys_poll+0x37/0x140
>[  503.225332][    C0]  do_syscall_64+0x5b/0x80
>[  503.225350][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.225366][    C0]  ? do_syscall_64+0x67/0x80
>[  503.225371][    C0]  ? do_syscall_64+0x67/0x80
>[  503.225376][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.225383][    C0] RIP: 0033:0x7fdc4ed1f3cf
>[  503.225398][    C0] RSP: 002b:00007fff82372650 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  503.225406][    C0] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fdc4ed1f3cf
>[  503.225412][    C0] RDX: 00000000ffffffff RSI: 0000000000000008 RDI: 0000556d1bb58710
>[  503.225418][    C0] RBP: 0000556d1bb27b00 R08: 0000000000000000 R09: 0000000000000000
>[  503.225424][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000556d1bb58710
>[  503.225430][    C0] R13: 00000000ffffffff R14: 00007fdc50221890 R15: 0000000000000008
>[  503.225443][    C0]  </TASK>
>[  503.225451][    C0] task:pool-spawner    state:S stack:0     pid:1425  tgid:1423  ppid:1      flags:0x00000002
>[  503.225464][    C0] Call Trace:
>[  503.225470][    C0]  <TASK>
>[  503.225475][    C0]  __schedule+0x381/0x1530
>[  503.225483][    C0]  ? update_load_avg+0x5c5/0x780
>[  503.225495][    C0]  schedule+0x24/0xb0
>[  503.225501][    C0]  futex_wait_queue+0x60/0x90
>[  503.225510][    C0]  futex_wait+0x169/0x250
>[  503.225516][    C0]  ? enqueue_entity+0x122/0x3d0
>[  503.225524][    C0]  do_futex+0x11c/0x1b0
>[  503.225530][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  503.225539][    C0]  ? wake_up_q+0x49/0x90
>[  503.225545][    C0]  do_syscall_64+0x5b/0x80
>[  503.225550][    C0]  ? do_futex+0xfb/0x1b0
>[  503.225557][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  503.225565][    C0]  ? recalc_sigpending+0x17/0x50
>[  503.225571][    C0]  ? __set_task_blocked+0x38/0x90
>[  503.225578][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.225583][    C0]  ? do_syscall_64+0x67/0x80
>[  503.225589][    C0]  ? __x64_sys_rt_sigprocmask+0x76/0xd0
>[  503.225595][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.225601][    C0]  ? do_syscall_64+0x67/0x80
>[  503.225606][    C0]  ? exc_page_fault+0x6e/0x150
>[  503.225611][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.225617][    C0] RIP: 0033:0x7fdc4ed2b729
>[  503.225623][    C0] RSP: 002b:00007fdc4dffec08 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  503.225629][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdc4ed2b729
>[  503.225635][    C0] RDX: 0000000000000001 RSI: 0000000000000080 RDI: 0000556d1bb1d5a0
>[  503.225641][    C0] RBP: 0000556d1bb1d590 R08: 0000000000000001 R09: 0000000000000001
>[  503.225646][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdc4dfff570
>[  503.225652][    C0] R13: 0000000000000000 R14: 0000556d1bb1d5a0 R15: 00007fdc4d7ff000
>[  503.225659][    C0]  </TASK>
>[  503.225662][    C0] task:gmain           state:S stack:0     pid:1426  tgid:1423  ppid:1      flags:0x00000002
>[  503.225671][    C0] Call Trace:
>[  503.225674][    C0]  <TASK>
>[  503.225677][    C0]  __schedule+0x381/0x1530
>[  503.225684][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  503.225691][    C0]  schedule+0x24/0xb0
>[  503.225696][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  503.225704][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  503.225710][    C0]  do_sys_poll+0x3b3/0x5f0
>[  503.225716][    C0]  ? prep_new_page+0x193/0x1b0
>[  503.225722][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  503.225729][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.225735][    C0]  ? __alloc_pages+0x18b/0x350
>[  503.225741][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  503.225748][    C0]  ? xen_set_pte+0x90/0x2b0
>[  503.225754][    C0]  ? set_pte_at+0x15/0x30
>[  503.225760][    C0]  ? do_pte_missing+0x426/0x7f0
>[  503.225765][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  503.225771][    C0]  ? __count_memcg_events+0x46/0x90
>[  503.225777][    C0]  ? __x64_sys_poll+0x37/0x140
>[  503.225782][    C0]  __x64_sys_poll+0x37/0x140
>[  503.225787][    C0]  ? do_user_addr_fault+0x267/0x890
>[  503.225794][    C0]  do_syscall_64+0x5b/0x80
>[  503.225799][    C0]  ? exc_page_fault+0x6e/0x150
>[  503.225805][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.225811][    C0] RIP: 0033:0x7fdc4ed1f3cf
>[  503.225816][    C0] RSP: 002b:00007fdc4d7fdc10 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  503.225822][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdc4ed1f3cf
>[  503.225827][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 0000556d1bb209c0
>[  503.225833][    C0] RBP: 0000556d1bb20750 R08: 0000000000000000 R09: 0000000000000000
>[  503.225839][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000556d1bb209c0
>[  503.225844][    C0] R13: 00000000ffffffff R14: 00007fdc50221890 R15: 0000000000000001
>[  503.225851][    C0]  </TASK>
>[  503.225854][    C0] task:gdbus           state:S stack:0     pid:1427  tgid:1423  ppid:1      flags:0x00000002
>[  503.225862][    C0] Call Trace:
>[  503.225866][    C0]  <TASK>
>[  503.225869][    C0]  __schedule+0x381/0x1530
>[  503.225874][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  503.225881][    C0]  ? _raw_read_lock_irq+0x30/0x30
>[  503.225887][    C0]  ? ep_poll_callback+0x117/0x2c0
>[  503.225894][    C0]  schedule+0x24/0xb0
>[  503.225899][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  503.225906][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  503.225912][    C0]  ? add_wait_queue+0x15/0x80
>[  503.225917][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  503.225923][    C0]  ? unix_poll+0x23/0x100
>[  503.225929][    C0]  do_sys_poll+0x3b3/0x5f0
>[  503.225934][    C0]  ? remove_wait_queue+0x12/0x50
>[  503.225940][    C0]  ? update_load_avg+0x217/0x780
>[  503.225946][    C0]  ? update_load_avg+0x217/0x780
>[  503.225958][    C0]  ? update_curr+0x69/0x1f0
>[  503.225967][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.225972][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.225977][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.225982][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.225987][    C0]  ? aa_file_perm+0x125/0x500
>[  503.225994][    C0]  ? copyout+0x20/0x30
>[  503.226000][    C0]  ? _copy_to_iter+0x58/0x520
>[  503.226009][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  503.226015][    C0]  ? eventfd_read+0x180/0x1f0
>[  503.226021][    C0]  ? vfs_read+0x230/0x2e0
>[  503.226028][    C0]  ? __x64_sys_poll+0x37/0x140
>[  503.226033][    C0]  __x64_sys_poll+0x37/0x140
>[  503.226038][    C0]  do_syscall_64+0x5b/0x80
>[  503.226044][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.226052][    C0]  ? do_syscall_64+0x67/0x80
>[  503.226056][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.226061][    C0]  ? do_syscall_64+0x67/0x80
>[  503.226066][    C0]  ? do_syscall_64+0x67/0x80
>[  503.226071][    C0]  ? do_syscall_64+0x67/0x80
>[  503.226075][    C0]  ? exc_page_fault+0x6e/0x150
>[  503.226080][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.226086][    C0] RIP: 0033:0x7fdc4ed1f3cf
>[  503.226102][    C0] RSP: 002b:00007fdc4cffcc10 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  503.226108][    C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdc4ed1f3cf
>[  503.226113][    C0] RDX: 00000000ffffffff RSI: 0000000000000004 RDI: 00007fdc300023d0
>[  503.226119][    C0] RBP: 0000556d1bb2d550 R08: 0000000000000000 R09: 0000000000000000
>[  503.226124][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fdc300023d0
>[  503.226129][    C0] R13: 00000000ffffffff R14: 00007fdc50221890 R15: 0000000000000004
>[  503.226136][    C0]  </TASK>
>[  503.425240][    C0] task:gdm             state:S stack:0     pid:1545  tgid:1423  ppid:1      flags:0x00000002
>[  503.425269][    C0] Call Trace:
>[  503.425283][    C0]  <TASK>
>[  503.425289][    C0]  __schedule+0x381/0x1530
>[  503.425309][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  503.425316][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  503.425331][    C0]  schedule+0x24/0xb0
>[  503.425337][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  503.425354][    C0]  ? recalc_sigpending+0x17/0x50
>[  503.425360][    C0]  ? dequeue_signal+0xc2/0x190
>[  503.425367][    C0]  do_sigtimedwait+0x16c/0x1f0
>[  503.425374][    C0]  __x64_sys_rt_sigtimedwait+0x6f/0xd0
>[  503.425391][    C0]  ? __fget_light+0xcb/0x120
>[  503.425406][    C0]  do_syscall_64+0x5b/0x80
>[  503.425412][    C0]  ? ksys_write+0x66/0xe0
>[  503.425419][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.425435][    C0]  ? do_syscall_64+0x67/0x80
>[  503.425440][    C0]  ? exc_page_fault+0x6e/0x150
>[  503.425456][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.425464][    C0] RIP: 0033:0x7fdc4ec58582
>[  503.425477][    C0] RSP: 002b:00007fdc3fffeb70 EFLAGS: 00000293 ORIG_RAX: 0000000000000080
>[  503.425485][    C0] RAX: ffffffffffffffda RBX: 00007fdc3fffec20 RCX: 00007fdc4ec58582
>[  503.425491][    C0] RDX: 0000000000000000 RSI: 00007fdc3fffec20 RDI: 00007fdc3fffeba0
>[  503.425496][    C0] RBP: 00007fdc3fffec20 R08: 0000000000000000 R09: 0000000000000020
>[  503.425503][    C0] R10: 0000000000000008 R11: 0000000000000293 R12: 0000556d1a313290
>[  503.425509][    C0] R13: 0000000000000002 R14: 00007fff823721a0 R15: 00007fdc3f7ff000
>[  503.425516][    C0]  </TASK>
>[  503.425520][    C0] task:master          state:S stack:0     pid:1511  tgid:1511  ppid:1      flags:0x00000002
>[  503.425528][    C0] Call Trace:
>[  503.425531][    C0]  <TASK>
>[  503.425535][    C0]  __schedule+0x381/0x1530
>[  503.425541][    C0]  ? timerqueue_add+0x7a/0x90
>[  503.425548][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  503.425555][    C0]  schedule+0x24/0xb0
>[  503.425561][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  503.425567][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  503.425574][    C0]  do_epoll_wait+0x59b/0x6f0
>[  503.425582][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  503.425589][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  503.425595][    C0]  do_syscall_64+0x5b/0x80
>[  503.425600][    C0]  ? syscall_trace_enter.isra.16+0xa9/0x1b0
>[  503.425607][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.425613][    C0]  ? do_syscall_64+0x67/0x80
>[  503.425617][    C0]  ? do_syscall_64+0x67/0x80
>[  503.425622][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.425628][    C0] RIP: 0033:0x7fa532d2de23
>[  503.425633][    C0] RSP: 002b:00007ffc57320528 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  503.425639][    C0] RAX: ffffffffffffffda RBX: 0000560d960855e0 RCX: 00007fa532d2de23
>[  503.425645][    C0] RDX: 0000000000000064 RSI: 00007ffc57320530 RDI: 000000000000000f
>[  503.425651][    C0] RBP: 000000000000003c R08: 0000560d96063010 R09: 0000000000000007
>[  503.425656][    C0] R10: 000000000000ea60 R11: 0000000000000202 R12: 0000560d9607eb80
>[  503.425662][    C0] R13: 0000560d9607e950 R14: 0000000000000000 R15: 0000000000000000
>[  503.425669][    C0]  </TASK>
>[  503.425672][    C0] task:pickup          state:S stack:0     pid:1513  tgid:1513  ppid:1511   flags:0x00000002
>[  503.425680][    C0] Call Trace:
>[  503.425684][    C0]  <TASK>
>[  503.425686][    C0]  __schedule+0x381/0x1530
>[  503.425692][    C0]  ? sock_def_readable+0x3e/0xc0
>[  503.425699][    C0]  ? timerqueue_add+0x7a/0x90
>[  503.425705][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  503.425710][    C0]  schedule+0x24/0xb0
>[  503.425715][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  503.425722][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  503.425728][    C0]  do_epoll_wait+0x59b/0x6f0
>[  503.425734][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  503.425741][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  503.425747][    C0]  do_syscall_64+0x5b/0x80
>[  503.425751][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.425757][    C0]  ? do_syscall_64+0x67/0x80
>[  503.425762][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.425767][    C0]  ? do_syscall_64+0x67/0x80
>[  503.425772][    C0]  ? do_syscall_64+0x67/0x80
>[  503.425777][    C0]  ? do_syscall_64+0x67/0x80
>[  503.425781][    C0]  ? do_syscall_64+0x67/0x80
>[  503.425786][    C0]  ? do_syscall_64+0x67/0x80
>[  503.425790][    C0]  ? do_syscall_64+0x67/0x80
>[  503.425795][    C0]  ? do_syscall_64+0x67/0x80
>[  503.425800][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.425806][    C0] RIP: 0033:0x7fa6fb72de23
>[  503.425813][    C0] RSP: 002b:00007ffc26e360c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  503.425819][    C0] RAX: ffffffffffffffda RBX: 000055f6f5f9b760 RCX: 00007fa6fb72de23
>[  503.425825][    C0] RDX: 0000000000000064 RSI: 00007ffc26e360d0 RDI: 0000000000000008
>[  503.425830][    C0] RBP: 0000000000000064 R08: 000055f6f5f7c010 R09: 0000000000000007
>[  503.425836][    C0] R10: 00000000000186a0 R11: 0000000000000202 R12: 00000000ffffffff
>[  503.425842][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: 000055f6f4ea19d0
>[  503.425866][    C0]  </TASK>
>[  503.425872][    C0] task:qmgr            state:S stack:0     pid:1514  tgid:1514  ppid:1511   flags:0x00000002
>[  503.425889][    C0] Call Trace:
>[  503.425893][    C0]  <TASK>
>[  503.425897][    C0]  __schedule+0x381/0x1530
>[  503.425906][    C0]  ? timerqueue_add+0x7a/0x90
>[  503.425912][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  503.425929][    C0]  schedule+0x24/0xb0
>[  503.425935][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  503.425952][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  503.425959][    C0]  do_epoll_wait+0x59b/0x6f0
>[  503.425965][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  503.425971][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  503.425978][    C0]  do_syscall_64+0x5b/0x80
>[  503.425982][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  503.425999][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.426004][    C0]  ? do_syscall_64+0x67/0x80
>[  503.426009][    C0]  ? do_syscall_64+0x67/0x80
>[  503.426013][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.426031][    C0] RIP: 0033:0x7fe32632de23
>[  503.426039][    C0] RSP: 002b:00007ffd481f9168 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  503.426046][    C0] RAX: ffffffffffffffda RBX: 00005587933da7a0 RCX: 00007fe32632de23
>[  503.426051][    C0] RDX: 0000000000000064 RSI: 00007ffd481f9170 RDI: 0000000000000009
>[  503.426057][    C0] RBP: 000000000000012c R08: 00005587933b5010 R09: 0000000000000007
>[  503.426062][    C0] R10: 00000000000493e0 R11: 0000000000000202 R12: 00000000ffffffff
>[  503.626127][    C0] R13: 0000558792a4cf05 R14: 0000558792a4cd22 R15: 0000558792a4cd5f
>[  503.626163][    C0]  </TASK>
>[  503.626168][    C0] task:cron            state:S stack:0     pid:1533  tgid:1533  ppid:1      flags:0x00000002
>[  503.626187][    C0] Call Trace:
>[  503.626201][    C0]  <TASK>
>[  503.626204][    C0]  __schedule+0x381/0x1530
>[  503.626213][    C0]  ? timerqueue_add+0x7a/0x90
>[  503.626229][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  503.626236][    C0]  schedule+0x24/0xb0
>[  503.626241][    C0]  do_nanosleep+0x84/0x130
>[  503.626257][    C0]  hrtimer_nanosleep+0x8f/0x120
>[  503.626264][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  503.626271][    C0]  common_nsleep+0x33/0x60
>[  503.626277][    C0]  __x64_sys_clock_nanosleep+0xd3/0x130
>[  503.626284][    C0]  do_syscall_64+0x5b/0x80
>[  503.626289][    C0]  ? do_syscall_64+0x67/0x80
>[  503.626294][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.626300][    C0]  ? do_syscall_64+0x67/0x80
>[  503.626305][    C0]  ? exc_page_fault+0x6e/0x150
>[  503.626310][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.626317][    C0] RIP: 0033:0x7f32840f0a83
>[  503.626327][    C0] RSP: 002b:00007ffced882b98 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6
>[  503.626333][    C0] RAX: ffffffffffffffda RBX: fffffffffffffea0 RCX: 00007f32840f0a83
>[  503.626341][    C0] RDX: 00007ffced882bb0 RSI: 0000000000000000 RDI: 0000000000000000
>[  503.626346][    C0] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
>[  503.626352][    C0] R10: 00007ffced882bb0 R11: 0000000000000202 R12: 0000000001b22224
>[  503.626360][    C0] R13: 00007ffced882c40 R14: 00007ffced882c48 R15: 0000000000000005
>[  503.626367][    C0]  </TASK>
>[  503.626370][    C0] task:accounts-daemon state:S stack:0     pid:1540  tgid:1540  ppid:1      flags:0x00000002
>[  503.626378][    C0] Call Trace:
>[  503.626381][    C0]  <TASK>
>[  503.626384][    C0]  __schedule+0x381/0x1530
>[  503.626390][    C0]  ? remove_wait_queue+0x12/0x50
>[  503.626395][    C0]  ? poll_freewait+0x45/0xa0
>[  503.626402][    C0]  schedule+0x24/0xb0
>[  503.626407][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  503.626414][    C0]  ? __fget_light+0xcb/0x120
>[  503.626420][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  503.626426][    C0]  do_sys_poll+0x3b3/0x5f0
>[  503.626432][    C0]  ? update_load_avg+0x217/0x780
>[  503.626439][    C0]  ? reweight_entity+0x155/0x170
>[  503.626446][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  503.626455][    C0]  ? wakeup_preempt+0x29/0x60
>[  503.626467][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  503.626477][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  503.626485][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.626493][    C0]  ? __wake_up_common+0x74/0x130
>[  503.626501][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  503.626508][    C0]  ? eventfd_write+0xc6/0x1e0
>[  503.626514][    C0]  ? vfs_write+0xc5/0x380
>[  503.626521][    C0]  ? filename_lookup+0x115/0x1c0
>[  503.626527][    C0]  ? __fget_light+0xcb/0x120
>[  503.626532][    C0]  ? ksys_write+0x66/0xe0
>[  503.626537][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.626543][    C0]  ? do_syscall_64+0x67/0x80
>[  503.626549][    C0]  ? __x64_sys_poll+0x37/0x140
>[  503.626554][    C0]  __x64_sys_poll+0x37/0x140
>[  503.626559][    C0]  do_syscall_64+0x5b/0x80
>[  503.626564][    C0]  ? do_syscall_64+0x67/0x80
>[  503.626569][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  503.626574][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.626580][    C0] RIP: 0033:0x7f65dab1f3cf
>[  503.626586][    C0] RSP: 002b:00007ffd1e0cab00 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  503.626593][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f65dab1f3cf
>[  503.626599][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055e02a219120
>[  503.626604][    C0] RBP: 000055e02a20e320 R08: 0000000000000000 R09: 0000000000000000
>[  503.626610][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055e02a219120
>[  503.626616][    C0] R13: 00000000ffffffff R14: 00007f65dadba890 R15: 0000000000000001
>[  503.626622][    C0]  </TASK>
>[  503.626626][    C0] task:pool-spawner    state:S stack:0     pid:1541  tgid:1540  ppid:1      flags:0x00000002
>[  503.626633][    C0] Call Trace:
>[  503.626637][    C0]  <TASK>
>[  503.626640][    C0]  __schedule+0x381/0x1530
>[  503.626646][    C0]  schedule+0x24/0xb0
>[  503.626651][    C0]  futex_wait_queue+0x60/0x90
>[  503.626659][    C0]  futex_wait+0x169/0x250
>[  503.626664][    C0]  ? set_next_buddy+0x55/0x90
>[  503.626671][    C0]  do_futex+0x11c/0x1b0
>[  503.626676][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  503.626682][    C0]  do_syscall_64+0x5b/0x80
>[  503.626688][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  503.626693][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  503.626710][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.626715][    C0]  ? do_syscall_64+0x67/0x80
>[  503.626730][    C0]  ? exc_page_fault+0x6e/0x150
>[  503.626735][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.626741][    C0] RIP: 0033:0x7f65dab2b729
>[  503.626745][    C0] RSP: 002b:00007f65d9dfec48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  503.626751][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f65dab2b729
>[  503.626757][    C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000055e02a20e940
>[  503.626762][    C0] RBP: 000055e02a20e930 R08: 0000000000000001 R09: 0000000000000001
>[  503.626768][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f65d9dff648
>[  503.626773][    C0] R13: 0000000000000000 R14: 000055e02a20e940 R15: 00007f65d95ff000
>[  503.626780][    C0]  </TASK>
>[  503.626783][    C0] task:gmain           state:S stack:0     pid:1542  tgid:1540  ppid:1      flags:0x00000002
>[  503.626800][    C0] Call Trace:
>[  503.626804][    C0]  <TASK>
>[  503.626806][    C0]  __schedule+0x381/0x1530
>[  503.626812][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  503.626818][    C0]  ? poll_freewait+0x45/0xa0
>[  503.626823][    C0]  schedule+0x24/0xb0
>[  503.626828][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  503.626834][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  503.626840][    C0]  ? add_wait_queue+0x15/0x80
>[  503.626844][    C0]  do_sys_poll+0x3b3/0x5f0
>[  503.626850][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.626855][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.626870][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.826482][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.826496][    C0]  ? remove_wait_queue+0x12/0x50
>[  503.826512][    C0]  ? aa_file_perm+0x125/0x500
>[  503.826519][    C0]  ? copyout+0x20/0x30
>[  503.826526][    C0]  ? _copy_to_iter+0x58/0x520
>[  503.826532][    C0]  ? _copy_from_user+0x2b/0x70
>[  503.826549][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  503.826556][    C0]  ? eventfd_write+0xc6/0x1e0
>[  503.826572][    C0]  ? eventfd_read+0x180/0x1f0
>[  503.826577][    C0]  ? vfs_read+0x230/0x2e0
>[  503.826594][    C0]  ? __x64_sys_poll+0x37/0x140
>[  503.826599][    C0]  __x64_sys_poll+0x37/0x140
>[  503.826615][    C0]  do_syscall_64+0x5b/0x80
>[  503.826631][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.826637][    C0]  ? do_syscall_64+0x67/0x80
>[  503.826655][    C0]  ? do_syscall_64+0x67/0x80
>[  503.826674][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  503.826681][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.826705][    C0] RIP: 0033:0x7f65dab1f3cf
>[  503.826731][    C0] RSP: 002b:00007f65d95fdc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  503.826738][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f65dab1f3cf
>[  503.826753][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 000055e02a210d40
>[  503.826768][    C0] RBP: 000055e02a210ab0 R08: 0000000000000000 R09: 0000000000000000
>[  503.826774][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055e02a210d40
>[  503.826779][    C0] R13: 00000000ffffffff R14: 00007f65dadba890 R15: 0000000000000002
>[  503.826796][    C0]  </TASK>
>[  503.826801][    C0] task:gdbus           state:S stack:0     pid:1544  tgid:1540  ppid:1      flags:0x00000002
>[  503.826809][    C0] Call Trace:
>[  503.826822][    C0]  <TASK>
>[  503.826826][    C0]  __schedule+0x381/0x1530
>[  503.826833][    C0]  schedule+0x24/0xb0
>[  503.826838][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  503.826845][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  503.826851][    C0]  ? add_wait_queue+0x15/0x80
>[  503.826856][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  503.826863][    C0]  ? unix_poll+0x23/0x100
>[  503.826868][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  503.826874][    C0]  do_sys_poll+0x3b3/0x5f0
>[  503.826879][    C0]  ? ep_poll_callback+0x249/0x2c0
>[  503.826886][    C0]  ? __fget_light+0xcb/0x120
>[  503.826893][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  503.826904][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  503.826913][    C0]  ? unix_stream_sendmsg+0x59a/0x630
>[  503.826924][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.826932][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.826940][    C0]  ? ___sys_sendmsg+0x9a/0xd0
>[  503.826948][    C0]  ? aa_file_perm+0x125/0x500
>[  503.826954][    C0]  ? copyout+0x20/0x30
>[  503.826959][    C0]  ? _copy_to_iter+0x58/0x520
>[  503.826965][    C0]  ? __pfx_pollwake+0x10/0x10
>[  503.826980][    C0]  ? copyout+0x20/0x30
>[  503.826985][    C0]  ? eventfd_read+0x180/0x1f0
>[  503.827000][    C0]  ? __sys_sendmsg+0x5e/0xa0
>[  503.827006][    C0]  ? __sys_sendmsg+0x91/0xa0
>[  503.827012][    C0]  ? __x64_sys_poll+0x37/0x140
>[  503.827017][    C0]  __x64_sys_poll+0x37/0x140
>[  503.827022][    C0]  do_syscall_64+0x5b/0x80
>[  503.827027][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  503.827032][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  503.827037][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.827043][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827047][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.827053][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827060][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827067][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827076][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827081][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  503.827086][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.827092][    C0] RIP: 0033:0x7f65dab1f3cf
>[  503.827098][    C0] RSP: 002b:00007f65cbffec50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  503.827104][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f65dab1f3cf
>[  503.827110][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f65c4000b90
>[  503.827116][    C0] RBP: 00007f65d0005c70 R08: 0000000000000000 R09: 0000000000000000
>[  503.827122][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f65c4000b90
>[  503.827127][    C0] R13: 00000000ffffffff R14: 00007f65dadba890 R15: 0000000000000002
>[  503.827134][    C0]  </TASK>
>[  503.827138][    C0] task:X               state:S stack:0     pid:1546  tgid:1546  ppid:1423   flags:0x00000002
>[  503.827150][    C0] Call Trace:
>[  503.827156][    C0]  <TASK>
>[  503.827160][    C0]  __schedule+0x381/0x1530
>[  503.827169][    C0]  ? sock_recvmsg+0x9c/0xa0
>[  503.827178][    C0]  ? ____sys_recvmsg+0x8c/0x1b0
>[  503.827184][    C0]  schedule+0x24/0xb0
>[  503.827192][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  503.827202][    C0]  ? __fget_light+0xcb/0x120
>[  503.827210][    C0]  do_epoll_wait+0x59b/0x6f0
>[  503.827217][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  503.827223][    C0]  ? do_setitimer+0x12f/0x210
>[  503.827229][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  503.827236][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  503.827242][    C0]  ? put_timespec64+0x3c/0x70
>[  503.827248][    C0]  do_syscall_64+0x5b/0x80
>[  503.827253][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.827258][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827263][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827268][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.827273][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827278][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827283][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.827288][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827293][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  503.827298][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827302][    C0]  ? do_syscall_64+0x67/0x80
>[  503.827307][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  503.827313][    C0] RIP: 0033:0x7fed9ab2de66
>[  503.827318][    C0] RSP: 002b:00007ffd0c90bfa0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
>[  503.827325][    C0] RAX: ffffffffffffffda RBX: 00007ffd0c90bfd0 RCX: 00007fed9ab2de66
>[  503.827330][    C0] RDX: 0000000000000100 RSI: 00007ffd0c90bfd0 RDI: 0000000000000003
>[  503.827336][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
>[  503.827341][    C0] R10: 00000000ffffffff R11: 0000000000000293 R12: 0000564a371af980
>[  503.827347][    C0] R13: 000000000000015e R14: 0000564a36dec240 R15: 00007fed9c56d6a8
>[  503.827353][    C0]  </TASK>
>[  503.827357][    C0] task:InputThread     state:S stack:0     pid:1553  tgid:1546  ppid:1423   flags:0x00400002
>[  503.827365][    C0] Call Trace:
>[  503.827368][    C0]  <TASK>
>[  503.827371][    C0]  __schedule+0x381/0x1530
>[  503.827377][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  503.827384][    C0]  schedule+0x24/0xb0
>[  503.827389][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  503.827405][    C0]  ? refill_obj_stock+0xa9/0x120
>[  503.827422][    C0]  ? ep_unregister_pollwait.isra.16+0x45/0x60
>[  503.827428][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  503.827434][    C0]  ? ep_done_scan+0xb9/0x100
>[  503.827439][    C0]  do_epoll_wait+0x59b/0x6f0
>[  503.827445][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  503.827452][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  503.827458][    C0]  do_syscall_64+0x5b/0x80
>[  504.026642][    C0]  ? exit_to_user_mode_prepare+0x133/0x220
>[  504.026661][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.026669][    C0]  ? do_syscall_64+0x67/0x80
>[  504.026675][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  504.026681][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  504.026688][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.026694][    C0]  ? do_syscall_64+0x67/0x80
>[  504.026701][    C0]  ? exit_to_user_mode_prepare+0x133/0x220
>[  504.026715][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.026724][    C0]  ? do_syscall_64+0x67/0x80
>[  504.026732][    C0]  ? xen_update_io_bitmap+0x48/0x60
>[  504.026742][    C0]  ? exit_to_user_mode_prepare+0x133/0x220
>[  504.026752][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.026763][    C0] RIP: 0033:0x7fed9ab2de66
>[  504.026784][    C0] RSP: 002b:00007fed8affdf40 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
>[  504.026795][    C0] RAX: ffffffffffffffda RBX: 00007fed8affdf70 RCX: 00007fed9ab2de66
>[  504.026804][    C0] RDX: 0000000000000100 RSI: 00007fed8affdf70 RDI: 0000000000000011
>[  504.026812][    C0] RBP: 0000564a375d2f48 R08: 0000000000000000 R09: 0000000000000007
>[  504.026821][    C0] R10: 00000000ffffffff R11: 0000000000000293 R12: 0000564a375d2f80
>[  504.026829][    C0] R13: 0000000000000002 R14: 00007ffd0c90ca80 R15: 00007fed8a7ff000
>[  504.026840][    C0]  </TASK>
>[  504.026848][    C0] task:gdm-session-wor state:S stack:0     pid:1561  tgid:1561  ppid:1423   flags:0x00000002
>[  504.026861][    C0] Call Trace:
>[  504.026867][    C0]  <TASK>
>[  504.026872][    C0]  __schedule+0x381/0x1530
>[  504.026924][    C0]  ? xa_load+0x6f/0xa0
>[  504.026944][    C0]  schedule+0x24/0xb0
>[  504.026955][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  504.026976][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  504.026995][    C0]  ? remove_wait_queue+0x12/0x50
>[  504.027004][    C0]  ? poll_freewait+0x45/0xa0
>[  504.027013][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  504.027023][    C0]  do_sys_poll+0x3b3/0x5f0
>[  504.027034][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  504.027045][    C0]  ? update_load_avg+0x217/0x780
>[  504.027056][    C0]  ? reweight_entity+0x155/0x170
>[  504.027066][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.027075][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.027084][    C0]  ? aa_file_perm+0x125/0x500
>[  504.027095][    C0]  ? xen_flush_tlb_one_user+0x1ec/0x210
>[  504.027105][    C0]  ? copyout+0x20/0x30
>[  504.027115][    C0]  ? _copy_to_iter+0x58/0x520
>[  504.027128][    C0]  ? flush_tlb_func+0x1b3/0x1f0
>[  504.027139][    C0]  ? eventfd_read+0x180/0x1f0
>[  504.027149][    C0]  ? vfs_read+0x230/0x2e0
>[  504.027160][    C0]  ? ksys_read+0x66/0xe0
>[  504.027169][    C0]  ? __x64_sys_poll+0x37/0x140
>[  504.027177][    C0]  __x64_sys_poll+0x37/0x140
>[  504.027187][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.027196][    C0]  do_syscall_64+0x5b/0x80
>[  504.027206][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  504.027215][    C0]  ? do_user_addr_fault+0x446/0x890
>[  504.027226][    C0]  ? exc_page_fault+0x6e/0x150
>[  504.027235][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.027245][    C0] RIP: 0033:0x7f5c3e71f3cf
>[  504.027264][    C0] RSP: 002b:00007ffc3447a6e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  504.027276][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5c3e71f3cf
>[  504.027286][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f5c34003c10
>[  504.027295][    C0] RBP: 000056411b6d3550 R08: 0000000000000000 R09: 0000000000000000
>[  504.027305][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f5c34003c10
>[  504.027313][    C0] R13: 00000000ffffffff R14: 00007f5c3f4c8890 R15: 0000000000000002
>[  504.027321][    C0]  </TASK>
>[  504.027325][    C0] task:pool-spawner    state:S stack:0     pid:1562  tgid:1561  ppid:1423   flags:0x00000002
>[  504.027334][    C0] Call Trace:
>[  504.027337][    C0]  <TASK>
>[  504.027341][    C0]  __schedule+0x381/0x1530
>[  504.027347][    C0]  ? copy_fpstate_to_sigframe+0x319/0x390
>[  504.027354][    C0]  ? fpu__restore_sig+0x58/0xa0
>[  504.027359][    C0]  schedule+0x24/0xb0
>[  504.027364][    C0]  futex_wait_queue+0x60/0x90
>[  504.027372][    C0]  futex_wait+0x169/0x250
>[  504.027379][    C0]  do_futex+0x11c/0x1b0
>[  504.027384][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  504.027390][    C0]  ? __sys_setreuid+0x1a9/0x210
>[  504.027396][    C0]  do_syscall_64+0x5b/0x80
>[  504.027402][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.027408][    C0] RIP: 0033:0x7f5c3e72b729
>[  504.027414][    C0] RSP: 002b:00007f5c3d9fec48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  504.027421][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5c3e72b729
>[  504.027427][    C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000056411b6cf550
>[  504.027432][    C0] RBP: 000056411b6cf540 R08: 0000000000000001 R09: 0000000000000001
>[  504.027438][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5c3d9ff488
>[  504.027443][    C0] R13: 0000000000000000 R14: 000056411b6cf550 R15: 00007f5c3d1ff000
>[  504.027450][    C0]  </TASK>
>[  504.027453][    C0] task:gmain           state:S stack:0     pid:1563  tgid:1561  ppid:1423   flags:0x00000002
>[  504.027461][    C0] Call Trace:
>[  504.027465][    C0]  <TASK>
>[  504.027468][    C0]  __schedule+0x381/0x1530
>[  504.027474][    C0]  ? xen_load_sp0+0x16a/0x170
>[  504.226643][    C0]  schedule+0x24/0xb0
>[  504.226660][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  504.226669][    C0]  ? schedule+0x24/0xb0
>[  504.226677][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  504.226690][    C0]  do_sys_poll+0x3b3/0x5f0
>[  504.226704][    C0]  ? schedule+0x24/0xb0
>[  504.226713][    C0]  ? poll_freewait+0x45/0xa0
>[  504.226720][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  504.226729][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.226737][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.226746][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.226753][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.226760][    C0]  ? __fpu_restore_sig+0x1b9/0x550
>[  504.226771][    C0]  ? __fpu_restore_sig+0x1b9/0x550
>[  504.226782][    C0]  ? fpu__restore_sig+0x58/0xa0
>[  504.226791][    C0]  ? __x64_sys_poll+0x37/0x140
>[  504.226798][    C0]  __x64_sys_poll+0x37/0x140
>[  504.226806][    C0]  do_syscall_64+0x5b/0x80
>[  504.226816][    C0]  ? restore_altstack+0x4c/0x80
>[  504.226825][    C0]  ? __do_sys_rt_sigreturn+0xc6/0xe0
>[  504.226835][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.226843][    C0]  ? do_syscall_64+0x67/0x80
>[  504.226851][    C0]  ? do_syscall_64+0x67/0x80
>[  504.226858][    C0]  ? exc_page_fault+0x6e/0x150
>[  504.226865][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.226876][    C0] RIP: 0033:0x7f5c3e71f3cf
>[  504.226896][    C0] RSP: 002b:00007f5c3d1fdc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  504.226907][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5c3e71f3cf
>[  504.226916][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000056411b6c0fb0
>[  504.226927][    C0] RBP: 000056411b6d6260 R08: 0000000000000000 R09: 0000000000000000
>[  504.226937][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000056411b6c0fb0
>[  504.226946][    C0] R13: 00000000ffffffff R14: 00007f5c3f4c8890 R15: 0000000000000001
>[  504.226957][    C0]  </TASK>
>[  504.226965][    C0] task:gdbus           state:S stack:0     pid:1565  tgid:1561  ppid:1423   flags:0x00000002
>[  504.226979][    C0] Call Trace:
>[  504.226985][    C0]  <TASK>
>[  504.226991][    C0]  __schedule+0x381/0x1530
>[  504.227001][    C0]  ? __kmem_cache_alloc_node+0x1ad/0x300
>[  504.227012][    C0]  ? __memcg_kmem_uncharge_page+0x60/0x60
>[  504.227023][    C0]  schedule+0x24/0xb0
>[  504.227031][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  504.227042][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  504.227051][    C0]  ? add_wait_queue+0x15/0x80
>[  504.227059][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  504.227070][    C0]  ? unix_poll+0x23/0x100
>[  504.227078][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  504.227088][    C0]  do_sys_poll+0x3b3/0x5f0
>[  504.227099][    C0]  ? copyin+0x20/0x30
>[  504.227110][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  504.227122][    C0]  ? skb_copy_datagram_from_iter+0x5b/0x1c0
>[  504.227133][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.227141][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.227149][    C0]  ? xen_mc_flush+0x87/0x230
>[  504.227158][    C0]  ? xen_flush_tlb_one_user+0x1ec/0x210
>[  504.227167][    C0]  ? flush_tlb_func+0x1b3/0x1f0
>[  504.227178][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  504.227187][    C0]  ? xen_set_pte+0x90/0x2b0
>[  504.227195][    C0]  ? page_remove_rmap+0x39/0x240
>[  504.227204][    C0]  ? do_wp_page+0x633/0xa50
>[  504.227215][    C0]  ? __handle_mm_fault+0xa98/0xba0
>[  504.227234][    C0]  ? __x64_sys_poll+0x37/0x140
>[  504.227241][    C0]  __x64_sys_poll+0x37/0x140
>[  504.227250][    C0]  do_syscall_64+0x5b/0x80
>[  504.227258][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  504.227266][    C0]  ? do_user_addr_fault+0x446/0x890
>[  504.227286][    C0]  ? exc_page_fault+0x6e/0x150
>[  504.227295][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.227306][    C0] RIP: 0033:0x7f5c3e71f3cf
>[  504.227319][    C0] RSP: 002b:00007f5c3c9fcc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  504.227339][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5c3e71f3cf
>[  504.227345][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f5c34000b90
>[  504.227351][    C0] RBP: 000056411b6d2110 R08: 0000000000000000 R09: 0000000000000000
>[  504.227356][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f5c34000b90
>[  504.227362][    C0] R13: 00000000ffffffff R14: 00007f5c3f4c8890 R15: 0000000000000002
>[  504.227369][    C0]  </TASK>
>[  504.227373][    C0] task:systemd         state:S stack:0     pid:1568  tgid:1568  ppid:1      flags:0x00000002
>[  504.227391][    C0] Call Trace:
>[  504.227394][    C0]  <TASK>
>[  504.227397][    C0]  __schedule+0x381/0x1530
>[  504.227404][    C0]  ? vfs_getxattr+0x125/0x140
>[  504.227412][    C0]  schedule+0x24/0xb0
>[  504.227417][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  504.227424][    C0]  ? kmem_cache_alloc+0x163/0x300
>[  504.227430][    C0]  do_epoll_wait+0x59b/0x6f0
>[  504.227438][    C0]  ? mntput_no_expire+0x4a/0x240
>[  504.227444][    C0]  ? xen_clocksource_read+0x18/0x30
>[  504.227451][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  504.227458][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  504.427185][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.427207][    C0]  do_syscall_64+0x5b/0x80
>[  504.427216][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.427224][    C0]  ? do_syscall_64+0x67/0x80
>[  504.427232][    C0]  ? do_syscall_64+0x67/0x80
>[  504.427239][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.427247][    C0]  ? do_syscall_64+0x67/0x80
>[  504.427254][    C0]  ? exc_page_fault+0x6e/0x150
>[  504.427262][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.427273][    C0] RIP: 0033:0x7f579f92de23
>[  504.427290][    C0] RSP: 002b:00007ffebfbdace8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  504.427302][    C0] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f579f92de23
>[  504.427311][    C0] RDX: 0000000000000020 RSI: 000055df18116990 RDI: 0000000000000004
>[  504.427319][    C0] RBP: 000055df18090c50 R08: 0000000000000000 R09: 000055df180e0cdc
>[  504.427328][    C0] R10: 00000000ffffffff R11: 0000000000000202 R12: 000055df18116990
>[  504.427337][    C0] R13: 0000000000000018 R14: 0000000000000004 R15: ffffffffffffffff
>[  504.427348][    C0]  </TASK>
>[  504.427355][    C0] task:(sd-pam)        state:S stack:0     pid:1569  tgid:1569  ppid:1568   flags:0x00000002
>[  504.427369][    C0] Call Trace:
>[  504.427374][    C0]  <TASK>
>[  504.427379][    C0]  __schedule+0x381/0x1530
>[  504.427389][    C0]  ? __update_load_avg_se+0x2a1/0x320
>[  504.427400][    C0]  schedule+0x24/0xb0
>[  504.427408][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  504.427418][    C0]  ? recalc_sigpending+0x17/0x50
>[  504.427428][    C0]  ? dequeue_signal+0xc2/0x190
>[  504.427437][    C0]  do_sigtimedwait+0x16c/0x1f0
>[  504.427446][    C0]  __x64_sys_rt_sigtimedwait+0x6f/0xd0
>[  504.427456][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  504.427464][    C0]  do_syscall_64+0x5b/0x80
>[  504.427472][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.427481][    C0]  ? do_syscall_64+0x67/0x80
>[  504.427488][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.427496][    C0]  ? do_syscall_64+0x67/0x80
>[  504.427504][    C0]  ? exc_page_fault+0x6e/0x150
>[  504.427512][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.427521][    C0] RIP: 0033:0x7fe359c5852f
>[  504.427531][    C0] RSP: 002b:00007ffdcaa8c800 EFLAGS: 00000202 ORIG_RAX: 0000000000000080
>[  504.427541][    C0] RAX: ffffffffffffffda RBX: 00007ffdcaa8c830 RCX: 00007fe359c5852f
>[  504.427551][    C0] RDX: 0000000000000000 RSI: 00007ffdcaa8c830 RDI: 00007ffdcaa8c9d0
>[  504.427559][    C0] RBP: 00007ffdcaa8c830 R08: 0000000000000000 R09: 0000000000000007
>[  504.427568][    C0] R10: 0000000000000008 R11: 0000000000000202 R12: 00007ffdcaa8c928
>[  504.427577][    C0] R13: 00007ffdcaa8c9d0 R14: 00007ffdcaa8c928 R15: 00007ffdcaa8c950
>[  504.427588][    C0]  </TASK>
>[  504.427593][    C0] task:dbus-run-sessio state:S stack:0     pid:1579  tgid:1579  ppid:1561   flags:0x00000002
>[  504.427606][    C0] Call Trace:
>[  504.427611][    C0]  <TASK>
>[  504.427616][    C0]  __schedule+0x381/0x1530
>[  504.427625][    C0]  ? flush_tlb_func+0x1b3/0x1f0
>[  504.427636][    C0]  schedule+0x24/0xb0
>[  504.427644][    C0]  do_wait+0x155/0x310
>[  504.427653][    C0]  kernel_wait4+0x8d/0x140
>[  504.427662][    C0]  ? __pfx_child_wait_callback+0x10/0x10
>[  504.427671][    C0]  __do_sys_wait4+0x99/0xb0
>[  504.427680][    C0]  ? __count_memcg_events+0x46/0x90
>[  504.427690][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  504.427700][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  504.427708][    C0]  ? do_syscall_64+0x5b/0x80
>[  504.427716][    C0]  do_syscall_64+0x5b/0x80
>[  504.427724][    C0]  ? exc_page_fault+0x6e/0x150
>[  504.427731][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.427740][    C0] RIP: 0033:0x7f31c3d16233
>[  504.427749][    C0] RSP: 002b:00007ffe2be6f8c8 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
>[  504.427759][    C0] RAX: ffffffffffffffda RBX: 00007ffe2be6f8f4 RCX: 00007f31c3d16233
>[  504.427768][    C0] RDX: 0000000000000000 RSI: 00007ffe2be6f8f4 RDI: 00000000ffffffff
>[  504.427777][    C0] RBP: 0000556f4e4c8bd0 R08: 0000000000000000 R09: 0000000000000000
>[  504.427785][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000062c
>[  504.427795][    C0] R13: 000000000000062d R14: 00007ffe2be6f950 R15: 00007ffe2be6fca8
>[  504.427805][    C0]  </TASK>
>[  504.427810][    C0] task:dbus-daemon     state:S stack:0     pid:1580  tgid:1580  ppid:1579   flags:0x00000002
>[  504.427822][    C0] Call Trace:
>[  504.427827][    C0]  <TASK>
>[  504.427832][    C0]  __schedule+0x381/0x1530
>[  504.427842][    C0]  schedule+0x24/0xb0
>[  504.427850][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  504.427859][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  504.427870][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  504.427878][    C0]  ? ep_done_scan+0xb9/0x100
>[  504.427887][    C0]  do_epoll_wait+0x59b/0x6f0
>[  504.427898][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  504.427907][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  504.427916][    C0]  do_syscall_64+0x5b/0x80
>[  504.427924][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.427932][    C0]  ? do_syscall_64+0x67/0x80
>[  504.427939][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  504.427950][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.427958][    C0] RIP: 0033:0x7f832e72de23
>[  504.427966][    C0] RSP: 002b:00007ffe5a340c68 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  504.427976][    C0] RAX: ffffffffffffffda RBX: 00007ffe5a340c70 RCX: 00007f832e72de23
>[  504.627082][    C0] RDX: 0000000000000040 RSI: 00007ffe5a340c70 RDI: 0000000000000003
>[  504.627096][    C0] RBP: 00007ffe5a341010 R08: 0000000000000000 R09: 0000000000000000
>[  504.627102][    C0] R10: 00000000ffffffff R11: 0000000000000202 R12: ffffffffffffffff
>[  504.627118][    C0] R13: 0000000000000001 R14: 000055c74b832f90 R15: 00007ffe5a340fd4
>[  504.627142][    C0]  </TASK>
>[  504.627152][    C0] task:gnome-session-b state:S stack:0     pid:1581  tgid:1581  ppid:1579   flags:0x00000002
>[  504.627167][    C0] Call Trace:
>[  504.627172][    C0]  <TASK>
>[  504.627177][    C0]  __schedule+0x381/0x1530
>[  504.627193][    C0]  schedule+0x24/0xb0
>[  504.627201][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  504.627212][    C0]  ? __get_free_pages+0xd/0x40
>[  504.627223][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  504.627233][    C0]  do_sys_poll+0x3b3/0x5f0
>[  504.627242][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  504.627261][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  504.627280][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.627298][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.627305][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.627322][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.627331][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.627338][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.627346][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.627354][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.627362][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.627370][    C0]  ? __x64_sys_poll+0x37/0x140
>[  504.627379][    C0]  __x64_sys_poll+0x37/0x140
>[  504.627387][    C0]  do_syscall_64+0x5b/0x80
>[  504.627397][    C0]  ? ksys_read+0x66/0xe0
>[  504.627406][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.627418][    C0]  ? do_syscall_64+0x67/0x80
>[  504.627426][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.627435][    C0]  ? do_syscall_64+0x67/0x80
>[  504.627443][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.627453][    C0]  ? do_syscall_64+0x67/0x80
>[  504.627460][    C0]  ? do_syscall_64+0x67/0x80
>[  504.627468][    C0]  ? do_syscall_64+0x67/0x80
>[  504.627476][    C0]  ? do_syscall_64+0x67/0x80
>[  504.627484][    C0]  ? do_syscall_64+0x67/0x80
>[  504.627492][    C0]  ? do_syscall_64+0x67/0x80
>[  504.627499][    C0]  ? do_syscall_64+0x67/0x80
>[  504.627508][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  504.627520][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.627532][    C0] RIP: 0033:0x7f21ac71f3cf
>[  504.627551][    C0] RSP: 002b:00007ffc5d74d550 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  504.627562][    C0] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f21ac71f3cf
>[  504.627572][    C0] RDX: 00000000ffffffff RSI: 0000000000000014 RDI: 000056459c766f20
>[  504.627581][    C0] RBP: 000056459c6edb00 R08: 0000000000000000 R09: 0000000000000000
>[  504.627590][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000056459c766f20
>[  504.627599][    C0] R13: 00000000ffffffff R14: 00007f21ad255890 R15: 0000000000000014
>[  504.627611][    C0]  </TASK>
>[  504.627617][    C0] task:pool-spawner    state:S stack:0     pid:1600  tgid:1581  ppid:1579   flags:0x00000002
>[  504.627630][    C0] Call Trace:
>[  504.627636][    C0]  <TASK>
>[  504.627642][    C0]  __schedule+0x381/0x1530
>[  504.627654][    C0]  schedule+0x24/0xb0
>[  504.627662][    C0]  futex_wait_queue+0x60/0x90
>[  504.627674][    C0]  futex_wait+0x169/0x250
>[  504.627683][    C0]  ? wakeup_preempt+0x29/0x60
>[  504.627692][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  504.627703][    C0]  do_futex+0x11c/0x1b0
>[  504.627711][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  504.627721][    C0]  do_syscall_64+0x5b/0x80
>[  504.627729][    C0]  ? recalc_sigpending+0x17/0x50
>[  504.627739][    C0]  ? __set_task_blocked+0x38/0x90
>[  504.627749][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  504.627760][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.627768][    C0]  ? do_syscall_64+0x67/0x80
>[  504.627776][    C0]  ? __x64_sys_rt_sigprocmask+0x76/0xd0
>[  504.627786][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.627794][    C0]  ? do_syscall_64+0x67/0x80
>[  504.627802][    C0]  ? exc_page_fault+0x6e/0x150
>[  504.627811][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.627821][    C0] RIP: 0033:0x7f21ac72b729
>[  504.627832][    C0] RSP: 002b:00007f21a4dfea48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  504.627842][    C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f21ac72b729
>[  504.627852][    C0] RDX: 0000000000000004 RSI: 0000000000000080 RDI: 000056459c6e36e0
>[  504.627860][    C0] RBP: 000056459c6e36d0 R08: 0000000000000001 R09: 0000000000000001
>[  504.627870][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21a4dff570
>[  504.627878][    C0] R13: 0000000000000000 R14: 000056459c6e36e0 R15: 00007f21a45ff000
>[  504.627889][    C0]  </TASK>
>[  504.627895][    C0] task:gmain           state:S stack:0     pid:1601  tgid:1581  ppid:1579   flags:0x00000002
>[  504.627903][    C0] Call Trace:
>[  504.627907][    C0]  <TASK>
>[  504.627910][    C0]  __schedule+0x381/0x1530
>[  504.627916][    C0]  ? schedule_hrtimeout_range_clock+0xb0/0x120
>[  504.627923][    C0]  schedule+0x24/0xb0
>[  504.627929][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  504.627935][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  504.627941][    C0]  ? remove_wait_queue+0x12/0x50
>[  504.627947][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  504.627952][    C0]  ? add_wait_queue+0x15/0x80
>[  504.627957][    C0]  do_sys_poll+0x3b3/0x5f0
>[  504.627963][    C0]  ? xen_mc_flush+0x87/0x230
>[  504.627969][    C0]  ? xen_load_sp0+0x16a/0x170
>[  504.627975][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  504.828044][    C0]  ? __schedule+0x389/0x1530
>[  504.828067][    C0]  ? pmu_msr_read+0x36/0xd0
>[  504.828078][    C0]  ? xen_mc_flush+0x87/0x230
>[  504.828086][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.828103][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.828108][    C0]  ? eventfd_read+0x180/0x1f0
>[  504.828115][    C0]  ? eventfd_read+0x180/0x1f0
>[  504.828120][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  504.828138][    C0]  ? futex_wake+0x78/0x160
>[  504.828146][    C0]  ? do_futex+0xfb/0x1b0
>[  504.828153][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  504.828159][    C0]  ? do_syscall_64+0x67/0x80
>[  504.828166][    C0]  ? __x64_sys_poll+0x37/0x140
>[  504.828172][    C0]  __x64_sys_poll+0x37/0x140
>[  504.828178][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.828185][    C0]  do_syscall_64+0x5b/0x80
>[  504.828191][    C0]  ? exc_page_fault+0x6e/0x150
>[  504.828197][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.828204][    C0] RIP: 0033:0x7f21ac71f3cf
>[  504.828217][    C0] RSP: 002b:00007f21a45fda50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  504.828225][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f21ac71f3cf
>[  504.828231][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 000056459c6e57d0
>[  504.828237][    C0] RBP: 000056459c6e55c0 R08: 0000000000000000 R09: 0000000000000000
>[  504.828242][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000056459c6e57d0
>[  504.828248][    C0] R13: 00000000ffffffff R14: 00007f21ad255890 R15: 0000000000000002
>[  504.828255][    C0]  </TASK>
>[  504.828260][    C0] task:gdbus           state:S stack:0     pid:1602  tgid:1581  ppid:1579   flags:0x00000002
>[  504.828268][    C0] Call Trace:
>[  504.828272][    C0]  <TASK>
>[  504.828275][    C0]  __schedule+0x381/0x1530
>[  504.828289][    C0]  ? xen_load_sp0+0x16a/0x170
>[  504.828298][    C0]  schedule+0x24/0xb0
>[  504.828305][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  504.828314][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  504.828321][    C0]  ? add_wait_queue+0x15/0x80
>[  504.828328][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  504.828337][    C0]  ? unix_poll+0x23/0x100
>[  504.828342][    C0]  do_sys_poll+0x3b3/0x5f0
>[  504.828349][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  504.828356][    C0]  ? refill_obj_stock+0xa9/0x120
>[  504.828364][    C0]  ? update_load_avg+0x217/0x780
>[  504.828371][    C0]  ? update_load_avg+0x217/0x780
>[  504.828378][    C0]  ? update_curr+0x69/0x1f0
>[  504.828386][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.828391][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.828397][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.828408][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.828417][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.828425][    C0]  ? __wake_up_common+0x74/0x130
>[  504.828431][    C0]  ? aa_file_perm+0x125/0x500
>[  504.828439][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  504.828449][    C0]  ? eventfd_write+0xc6/0x1e0
>[  504.828458][    C0]  ? aa_file_perm+0x125/0x500
>[  504.828465][    C0]  ? copyout+0x20/0x30
>[  504.828472][    C0]  ? _copy_to_iter+0x58/0x520
>[  504.828478][    C0]  ? _copy_from_user+0x2b/0x70
>[  504.828489][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  504.828500][    C0]  ? eventfd_write+0xc6/0x1e0
>[  504.828510][    C0]  ? __x64_sys_poll+0x37/0x140
>[  504.828516][    C0]  __x64_sys_poll+0x37/0x140
>[  504.828522][    C0]  do_syscall_64+0x5b/0x80
>[  504.828527][    C0]  ? ksys_read+0x66/0xe0
>[  504.828534][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.828543][    C0]  ? do_syscall_64+0x67/0x80
>[  504.828551][    C0]  ? do_syscall_64+0x67/0x80
>[  504.828557][    C0]  ? do_syscall_64+0x67/0x80
>[  504.828561][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  504.828567][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.828573][    C0] RIP: 0033:0x7f21ac71f3cf
>[  504.828583][    C0] RSP: 002b:00007f21a3dfca50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  504.828590][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f21ac71f3cf
>[  504.828596][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00007f219c000b90
>[  504.828601][    C0] RBP: 000056459c6f3140 R08: 0000000000000000 R09: 0000000000000000
>[  504.828607][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f219c000b90
>[  504.828612][    C0] R13: 00000000ffffffff R14: 00007f21ad255890 R15: 0000000000000003
>[  504.828619][    C0]  </TASK>
>[  504.828623][    C0] task:dconf worker    state:S stack:0     pid:1603  tgid:1581  ppid:1579   flags:0x00000002
>[  504.828631][    C0] Call Trace:
>[  504.828635][    C0]  <TASK>
>[  504.828638][    C0]  __schedule+0x381/0x1530
>[  504.828644][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  504.828650][    C0]  ? hrtimer_try_to_cancel+0x30/0x100
>[  504.828658][    C0]  schedule+0x24/0xb0
>[  504.828663][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  504.828670][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  504.828675][    C0]  ? remove_wait_queue+0x12/0x50
>[  504.828679][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  504.828686][    C0]  do_sys_poll+0x3b3/0x5f0
>[  504.828696][    C0]  ? update_load_avg+0x217/0x780
>[  504.828707][    C0]  ? __pfx_pollwake+0x10/0x10
>[  504.828714][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  504.828724][    C0]  ? wakeup_preempt+0x29/0x60
>[  504.828732][    C0]  ? aa_file_perm+0x125/0x500
>[  504.828740][    C0]  ? copyout+0x20/0x30
>[  504.828749][    C0]  ? _copy_to_iter+0x58/0x520
>[  504.828756][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  504.828765][    C0]  ? eventfd_read+0x180/0x1f0
>[  504.828773][    C0]  ? __wake_up_common+0x74/0x130
>[  504.828780][    C0]  ? vfs_read+0x230/0x2e0
>[  504.828798][    C0]  ? xen_clocksource_read+0x18/0x30
>[  504.828808][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  504.828814][    C0]  ? _copy_to_user+0x20/0x40
>[  504.828820][    C0]  ? put_timespec64+0x3c/0x70
>[  504.828826][    C0]  ? __x64_sys_poll+0x37/0x140
>[  504.828831][    C0]  ? do_syscall_64+0x67/0x80
>[  504.828835][    C0]  __x64_sys_poll+0x37/0x140
>[  504.828840][    C0]  ? do_syscall_64+0x67/0x80
>[  504.828845][    C0]  do_syscall_64+0x5b/0x80
>[  504.828850][    C0]  ? do_syscall_64+0x67/0x80
>[  504.828854][    C0]  ? do_syscall_64+0x67/0x80
>[  504.828859][    C0]  ? ksys_read+0x66/0xe0
>[  504.828864][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  504.828869][    C0]  ? do_syscall_64+0x67/0x80
>[  504.828874][    C0]  ? exc_page_fault+0x6e/0x150
>[  504.828879][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  504.828885][    C0] RIP: 0033:0x7f21ac71f3cf
>[  504.828893][    C0] RSP: 002b:00007f21a35fba50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  504.828899][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f21ac71f3cf
>[  504.828904][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f2198000b90
>[  505.029005][    C0] RBP: 000056459c6f8e80 R08: 0000000000000000 R09: 0000000000000000
>[  505.029027][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2198000b90
>[  505.029033][    C0] R13: 00000000ffffffff R14: 00007f21ad255890 R15: 0000000000000001
>[  505.029043][    C0]  </TASK>
>[  505.029048][    C0] task:at-spi-bus-laun state:S stack:0     pid:1588  tgid:1588  ppid:1      flags:0x00000002
>[  505.029059][    C0] Call Trace:
>[  505.029063][    C0]  <TASK>
>[  505.029067][    C0]  __schedule+0x381/0x1530
>[  505.029077][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  505.029086][    C0]  ? hrtimer_try_to_cancel+0x30/0x100
>[  505.029095][    C0]  schedule+0x24/0xb0
>[  505.029101][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  505.029108][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  505.029115][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  505.029121][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  505.029129][    C0]  do_sys_poll+0x3b3/0x5f0
>[  505.029138][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.029145][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.029150][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.029156][    C0]  ? eventfd_read+0x180/0x1f0
>[  505.029162][    C0]  ? vfs_read+0x230/0x2e0
>[  505.029170][    C0]  ? ksys_read+0x66/0xe0
>[  505.029175][    C0]  ? xen_clocksource_read+0x18/0x30
>[  505.029183][    C0]  ? __x64_sys_poll+0x37/0x140
>[  505.029190][    C0]  __x64_sys_poll+0x37/0x140
>[  505.029196][    C0]  do_syscall_64+0x5b/0x80
>[  505.029202][    C0]  ? ksys_write+0x66/0xe0
>[  505.029208][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.029214][    C0]  ? do_syscall_64+0x67/0x80
>[  505.029219][    C0]  ? exc_page_fault+0x6e/0x150
>[  505.029224][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.029232][    C0] RIP: 0033:0x7f3140b1f3cf
>[  505.029249][    C0] RSP: 002b:00007ffd0912b280 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  505.029260][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3140b1f3cf
>[  505.029269][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00007f3128002be0
>[  505.029278][    C0] RBP: 000055eccdb86ff0 R08: 0000000000000000 R09: 0000000000000000
>[  505.029286][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3128002be0
>[  505.029295][    C0] R13: 00000000ffffffff R14: 00007f3141067890 R15: 0000000000000003
>[  505.029306][    C0]  </TASK>
>[  505.029312][    C0] task:pool-spawner    state:S stack:0     pid:1589  tgid:1588  ppid:1      flags:0x00000002
>[  505.029325][    C0] Call Trace:
>[  505.029330][    C0]  <TASK>
>[  505.029335][    C0]  __schedule+0x381/0x1530
>[  505.029346][    C0]  ? wakeup_preempt+0x29/0x60
>[  505.029356][    C0]  ? __pfx_ttwu_do_activate+0x10/0x10
>[  505.029366][    C0]  schedule+0x24/0xb0
>[  505.029373][    C0]  futex_wait_queue+0x60/0x90
>[  505.029385][    C0]  futex_wait+0x169/0x250
>[  505.029393][    C0]  ? futex_wake+0x140/0x160
>[  505.029404][    C0]  do_futex+0x11c/0x1b0
>[  505.029413][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  505.029422][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.029431][    C0]  ? do_syscall_64+0x67/0x80
>[  505.029440][    C0]  do_syscall_64+0x5b/0x80
>[  505.029449][    C0]  ? exc_page_fault+0x6e/0x150
>[  505.029458][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.029469][    C0] RIP: 0033:0x7f3140b2b729
>[  505.029483][    C0] RSP: 002b:00007f313f9fec48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  505.029493][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3140b2b729
>[  505.029503][    C0] RDX: 0000000000000001 RSI: 0000000000000080 RDI: 000055eccdb93b30
>[  505.029513][    C0] RBP: 000055eccdb93b20 R08: 00007ffd0912afb0 R09: 0000000000000001
>[  505.029522][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f313f9ff570
>[  505.029532][    C0] R13: 0000000000000000 R14: 000055eccdb93b30 R15: 00007f313f1ff000
>[  505.029543][    C0]  </TASK>
>[  505.029550][    C0] task:gmain           state:S stack:0     pid:1590  tgid:1588  ppid:1      flags:0x00000002
>[  505.029564][    C0] Call Trace:
>[  505.029569][    C0]  <TASK>
>[  505.029575][    C0]  __schedule+0x381/0x1530
>[  505.029584][    C0]  schedule+0x24/0xb0
>[  505.029590][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  505.029599][    C0]  ? __raw_callee_save_xen_pud_val+0x11/0x30
>[  505.029611][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  505.029621][    C0]  do_sys_poll+0x3b3/0x5f0
>[  505.029630][    C0]  ? mas_wr_node_store+0x296/0x590
>[  505.029642][    C0]  ? free_pgtables+0x1eb/0x220
>[  505.029653][    C0]  ? prep_new_page+0x193/0x1b0
>[  505.029662][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  505.029672][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.029681][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  505.029692][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  505.029701][    C0]  ? xen_set_pte+0x90/0x2b0
>[  505.029709][    C0]  ? set_pte_at+0x15/0x30
>[  505.029717][    C0]  ? do_pte_missing+0x426/0x7f0
>[  505.029725][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  505.029735][    C0]  ? __x64_sys_poll+0x37/0x140
>[  505.029743][    C0]  __x64_sys_poll+0x37/0x140
>[  505.029748][    C0]  ? __count_memcg_events+0x46/0x90
>[  505.029764][    C0]  do_syscall_64+0x5b/0x80
>[  505.029770][    C0]  ? do_user_addr_fault+0x267/0x890
>[  505.029777][    C0]  ? exc_page_fault+0x6e/0x150
>[  505.029782][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.029798][    C0] RIP: 0033:0x7f3140b1f3cf
>[  505.029805][    C0] RSP: 002b:00007f313f1fdc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  505.029812][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3140b1f3cf
>[  505.029818][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055eccdb940e0
>[  505.029833][    C0] RBP: 000055eccdb93e50 R08: 0000000000000000 R09: 0000000000000000
>[  505.029839][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055eccdb940e0
>[  505.029844][    C0] R13: 00000000ffffffff R14: 00007f3141067890 R15: 0000000000000001
>[  505.029850][    C0]  </TASK>
>[  505.029854][    C0] task:dconf worker    state:S stack:0     pid:1591  tgid:1588  ppid:1      flags:0x00000002
>[  505.229927][    C0] Call Trace:
>[  505.229939][    C0]  <TASK>
>[  505.229946][    C0]  __schedule+0x381/0x1530
>[  505.229956][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  505.229971][    C0]  schedule+0x24/0xb0
>[  505.229982][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  505.229991][    C0]  ? remove_wait_queue+0x12/0x50
>[  505.230000][    C0]  ? poll_freewait+0x45/0xa0
>[  505.230008][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  505.230017][    C0]  do_sys_poll+0x3b3/0x5f0
>[  505.230024][    C0]  ? __raw_callee_save_xen_pte_val+0x11/0x30
>[  505.230034][    C0]  ? wp_page_reuse+0x8b/0xa0
>[  505.230044][    C0]  ? __raw_callee_save_xen_pmd_val+0x11/0x30
>[  505.230053][    C0]  ? __handle_mm_fault+0xa98/0xba0
>[  505.230063][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.230069][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  505.230078][    C0]  ? do_user_addr_fault+0x267/0x890
>[  505.230087][    C0]  ? __raw_callee_save_xen_pte_val+0x11/0x30
>[  505.230095][    C0]  ? xen_set_pte+0x90/0x2b0
>[  505.230103][    C0]  ? ptep_set_access_flags+0x23/0x30
>[  505.230110][    C0]  ? wp_page_reuse+0x8b/0xa0
>[  505.230117][    C0]  ? do_wp_page+0x3de/0xa50
>[  505.230125][    C0]  ? __raw_callee_save_xen_pmd_val+0x11/0x30
>[  505.230133][    C0]  ? __handle_mm_fault+0xa98/0xba0
>[  505.230140][    C0]  ? __x64_sys_poll+0x37/0x140
>[  505.230146][    C0]  ? __count_memcg_events+0x46/0x90
>[  505.230155][    C0]  __x64_sys_poll+0x37/0x140
>[  505.230161][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  505.230168][    C0]  do_syscall_64+0x5b/0x80
>[  505.230176][    C0]  ? do_user_addr_fault+0x446/0x890
>[  505.230183][    C0]  ? exc_page_fault+0x6e/0x150
>[  505.230192][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.230199][    C0] RIP: 0033:0x7f3140b1f3cf
>[  505.230217][    C0] RSP: 002b:00007f313e9fcc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  505.230224][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3140b1f3cf
>[  505.230231][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f3138000b90
>[  505.230239][    C0] RBP: 000055eccdb97050 R08: 0000000000000000 R09: 0000000000000000
>[  505.230245][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3138000b90
>[  505.230254][    C0] R13: 00000000ffffffff R14: 00007f3141067890 R15: 0000000000000001
>[  505.230261][    C0]  </TASK>
>[  505.230265][    C0] task:gdbus           state:S stack:0     pid:1592  tgid:1588  ppid:1      flags:0x00000002
>[  505.230277][    C0] Call Trace:
>[  505.230283][    C0]  <TASK>
>[  505.230288][    C0]  __schedule+0x381/0x1530
>[  505.230294][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  505.230307][    C0]  schedule+0x24/0xb0
>[  505.230317][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  505.230327][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  505.230334][    C0]  ? add_wait_queue+0x15/0x80
>[  505.230342][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  505.230352][    C0]  ? unix_poll+0x23/0x100
>[  505.230359][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  505.230367][    C0]  do_sys_poll+0x3b3/0x5f0
>[  505.230372][    C0]  ? mod_objcg_state+0xb7/0x2f0
>[  505.230379][    C0]  ? remove_wait_queue+0x12/0x50
>[  505.230387][    C0]  ? poll_freewait+0x45/0xa0
>[  505.230395][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  505.230401][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  505.230411][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.230420][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.230425][    C0]  ? reweight_entity+0x155/0x170
>[  505.230433][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.230438][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.230442][    C0]  ? _copy_from_user+0x2b/0x70
>[  505.230450][    C0]  ? aa_file_perm+0x125/0x500
>[  505.230456][    C0]  ? copyout+0x20/0x30
>[  505.230462][    C0]  ? _copy_to_iter+0x58/0x520
>[  505.230468][    C0]  ? vfs_write+0xc5/0x380
>[  505.230477][    C0]  ? eventfd_read+0x180/0x1f0
>[  505.230486][    C0]  ? __fget_light+0xcb/0x120
>[  505.230499][    C0]  ? __x64_sys_poll+0x37/0x140
>[  505.230507][    C0]  ? vfs_read+0x230/0x2e0
>[  505.230515][    C0]  __x64_sys_poll+0x37/0x140
>[  505.230524][    C0]  do_syscall_64+0x5b/0x80
>[  505.230531][    C0]  ? ksys_read+0x66/0xe0
>[  505.230536][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.230542][    C0]  ? do_syscall_64+0x67/0x80
>[  505.230547][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.230552][    C0]  ? do_syscall_64+0x67/0x80
>[  505.230557][    C0]  ? do_syscall_64+0x67/0x80
>[  505.230562][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.230569][    C0] RIP: 0033:0x7f3140b1f3cf
>[  505.230578][    C0] RSP: 002b:00007f313e1fbc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  505.230585][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3140b1f3cf
>[  505.230600][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f3128000b90
>[  505.230606][    C0] RBP: 00007f3138005db0 R08: 0000000000000000 R09: 0000000000000000
>[  505.230611][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3128000b90
>[  505.230617][    C0] R13: 00000000ffffffff R14: 00007f3141067890 R15: 0000000000000002
>[  505.230623][    C0]  </TASK>
>[  505.230627][    C0] task:dbus-daemon     state:S stack:0     pid:1595  tgid:1595  ppid:1588   flags:0x00000002
>[  505.230635][    C0] Call Trace:
>[  505.230639][    C0]  <TASK>
>[  505.230642][    C0]  __schedule+0x381/0x1530
>[  505.230660][    C0]  schedule+0x24/0xb0
>[  505.230666][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  505.230673][    C0]  ? schedule_hrtimeout_range_clock+0xb0/0x120
>[  505.230679][    C0]  do_epoll_wait+0x59b/0x6f0
>[  505.230687][    C0]  ? put_timespec64+0x3c/0x70
>[  505.429765][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  505.429784][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  505.429793][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  505.429803][    C0]  do_syscall_64+0x5b/0x80
>[  505.429813][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.429823][    C0]  ? do_syscall_64+0x67/0x80
>[  505.429831][    C0]  ? do_syscall_64+0x67/0x80
>[  505.429838][    C0]  ? do_syscall_64+0x67/0x80
>[  505.429844][    C0]  ? exc_page_fault+0x6e/0x150
>[  505.429853][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.429866][    C0] RIP: 0033:0x7f30a132de23
>[  505.429884][    C0] RSP: 002b:00007ffc2e3e1a78 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  505.429895][    C0] RAX: ffffffffffffffda RBX: 00007ffc2e3e1a80 RCX: 00007f30a132de23
>[  505.429905][    C0] RDX: 0000000000000040 RSI: 00007ffc2e3e1a80 RDI: 0000000000000004
>[  505.429914][    C0] RBP: 00007ffc2e3e1e20 R08: 0000000000000000 R09: 0000000000000000
>[  505.429923][    C0] R10: 00000000ffffffff R11: 0000000000000202 R12: ffffffffffffffff
>[  505.429932][    C0] R13: 0000000000000001 R14: 000056045ddbb1b0 R15: 00007ffc2e3e1de4
>[  505.429942][    C0]  </TASK>
>[  505.429949][    C0] task:gnome-shell     state:S stack:0     pid:1609  tgid:1609  ppid:1581   flags:0x00000002
>[  505.429963][    C0] Call Trace:
>[  505.429969][    C0]  <TASK>
>[  505.429974][    C0]  __schedule+0x381/0x1530
>[  505.429984][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  505.429995][    C0]  ? timerqueue_add+0x7a/0x90
>[  505.430005][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  505.430015][    C0]  schedule+0x24/0xb0
>[  505.430024][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  505.430036][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  505.430047][    C0]  do_sys_poll+0x3b3/0x5f0
>[  505.430060][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430069][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430077][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430085][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430093][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430101][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430109][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430117][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430126][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430134][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  505.430142][    C0]  __x64_sys_poll+0xa2/0x140
>[  505.430151][    C0]  do_syscall_64+0x5b/0x80
>[  505.430159][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.430168][    C0]  ? xen_clocksource_read+0x18/0x30
>[  505.430179][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  505.430187][    C0]  ? _copy_to_user+0x20/0x40
>[  505.430199][    C0]  ? put_timespec64+0x3c/0x70
>[  505.430209][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  505.430218][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.430227][    C0]  ? do_syscall_64+0x67/0x80
>[  505.430234][    C0]  ? do_syscall_64+0x67/0x80
>[  505.430242][    C0]  ? do_syscall_64+0x67/0x80
>[  505.430250][    C0]  ? do_syscall_64+0x67/0x80
>[  505.430257][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  505.430266][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.430276][    C0] RIP: 0033:0x7f201791f3cf
>[  505.430289][    C0] RSP: 002b:00007fff775bcaa0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  505.430299][    C0] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f201791f3cf
>[  505.430309][    C0] RDX: 00000000000026ff RSI: 000000000000000d RDI: 000055e03d95e590
>[  505.430319][    C0] RBP: 000055e03b6e0e90 R08: 0000000000000000 R09: 0000000000000000
>[  505.430328][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055e03d95e590
>[  505.430337][    C0] R13: 00000000000026ff R14: 00007f2018541890 R15: 000000000000000d
>[  505.430348][    C0]  </TASK>
>[  505.430354][    C0] task:gmain           state:S stack:0     pid:1613  tgid:1609  ppid:1581   flags:0x00000002
>[  505.430367][    C0] Call Trace:
>[  505.430373][    C0]  <TASK>
>[  505.430378][    C0]  __schedule+0x381/0x1530
>[  505.430389][    C0]  ? timerqueue_add+0x7a/0x90
>[  505.430399][    C0]  ? timerqueue_add+0x7a/0x90
>[  505.430408][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  505.430416][    C0]  schedule+0x24/0xb0
>[  505.430425][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  505.430433][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  505.430439][    C0]  do_sys_poll+0x3b3/0x5f0
>[  505.430445][    C0]  ? lookup_fast+0x26/0xf0
>[  505.430450][    C0]  ? link_path_walk.part.35+0x255/0x380
>[  505.430456][    C0]  ? generic_permission+0x35/0x240
>[  505.430463][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430468][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430473][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.430478][    C0]  ? kmem_cache_alloc+0x163/0x300
>[  505.430484][    C0]  ? getname_flags+0x46/0x1e0
>[  505.430489][    C0]  ? kmem_cache_alloc+0x163/0x300
>[  505.430494][    C0]  ? getname_flags+0x46/0x1e0
>[  505.430499][    C0]  ? user_path_at_empty+0x40/0x50
>[  505.430505][    C0]  ? xen_clocksource_read+0x18/0x30
>[  505.430512][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  505.430517][    C0]  ? xen_clocksource_read+0x18/0x30
>[  505.430522][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  505.629572][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  505.629588][    C0]  __x64_sys_poll+0xa2/0x140
>[  505.629595][    C0]  do_syscall_64+0x5b/0x80
>[  505.629603][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  505.629609][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.629617][    C0] RIP: 0033:0x7f201791f3cf
>[  505.629632][    C0] RSP: 002b:00007f200a1fdf10 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  505.629639][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f201791f3cf
>[  505.629645][    C0] RDX: 0000000000000f9c RSI: 0000000000000003 RDI: 000055e03b6e0e20
>[  505.629651][    C0] RBP: 000055e03b6e0c40 R08: 0000000000000000 R09: 0000000000000000
>[  505.629656][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055e03b6e0e20
>[  505.629662][    C0] R13: 0000000000000f9c R14: 00007f2018541890 R15: 0000000000000003
>[  505.629669][    C0]  </TASK>
>[  505.629674][    C0] task:pool-spawner    state:S stack:0     pid:1614  tgid:1609  ppid:1581   flags:0x00000002
>[  505.629684][    C0] Call Trace:
>[  505.629688][    C0]  <TASK>
>[  505.629692][    C0]  __schedule+0x381/0x1530
>[  505.629700][    C0]  schedule+0x24/0xb0
>[  505.629706][    C0]  futex_wait_queue+0x60/0x90
>[  505.629713][    C0]  futex_wait+0x169/0x250
>[  505.629719][    C0]  ? __do_sys_clone3+0xd7/0x100
>[  505.629727][    C0]  do_futex+0x11c/0x1b0
>[  505.629733][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  505.629740][    C0]  do_syscall_64+0x5b/0x80
>[  505.629745][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.629752][    C0]  ? do_syscall_64+0x67/0x80
>[  505.629757][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.629762][    C0]  ? do_syscall_64+0x67/0x80
>[  505.629767][    C0]  ? exc_page_fault+0x6e/0x150
>[  505.629772][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.629779][    C0] RIP: 0033:0x7f201792b729
>[  505.629786][    C0] RSP: 002b:00007f20095fdf08 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  505.629793][    C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f201792b729
>[  505.629799][    C0] RDX: 0000000000000004 RSI: 0000000000000080 RDI: 000055e03b6f48d0
>[  505.629805][    C0] RBP: 000055e03b6f48c0 R08: 0000000000000001 R09: 0000000000000001
>[  505.629810][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f20095ff648
>[  505.629816][    C0] R13: 0000000000000000 R14: 000055e03b6f48d0 R15: 00007f2008dff000
>[  505.629823][    C0]  </TASK>
>[  505.629826][    C0] task:dconf worker    state:S stack:0     pid:1615  tgid:1609  ppid:1581   flags:0x00000002
>[  505.629834][    C0] Call Trace:
>[  505.629838][    C0]  <TASK>
>[  505.629841][    C0]  __schedule+0x381/0x1530
>[  505.629848][    C0]  ? xen_load_sp0+0x16a/0x170
>[  505.629856][    C0]  schedule+0x24/0xb0
>[  505.629862][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  505.629869][    C0]  ? timerqueue_add+0x7a/0x90
>[  505.629876][    C0]  ? timerqueue_del+0x2a/0x50
>[  505.629883][    C0]  ? __remove_hrtimer+0x39/0x70
>[  505.629891][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  505.629897][    C0]  do_sys_poll+0x3b3/0x5f0
>[  505.629903][    C0]  ? poll_freewait+0x45/0xa0
>[  505.629909][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  505.629916][    C0]  ? update_load_avg+0x217/0x780
>[  505.629931][    C0]  ? update_load_avg+0x217/0x780
>[  505.629938][    C0]  ? update_load_avg+0x217/0x780
>[  505.629947][    C0]  ? update_curr+0x69/0x1f0
>[  505.629954][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.629959][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.629966][    C0]  ? pollwake+0x74/0xa0
>[  505.629974][    C0]  ? __pfx_default_wake_function+0x10/0x10
>[  505.629984][    C0]  ? __wake_up_common+0x74/0x130
>[  505.629992][    C0]  ? aa_file_perm+0x125/0x500
>[  505.630003][    C0]  ? copyout+0x20/0x30
>[  505.630013][    C0]  ? _copy_to_iter+0x58/0x520
>[  505.630023][    C0]  ? eventfd_read+0x180/0x1f0
>[  505.630033][    C0]  ? __x64_sys_poll+0x37/0x140
>[  505.630041][    C0]  __x64_sys_poll+0x37/0x140
>[  505.630049][    C0]  ? _copy_to_user+0x20/0x40
>[  505.630058][    C0]  ? put_timespec64+0x3c/0x70
>[  505.630069][    C0]  do_syscall_64+0x5b/0x80
>[  505.630078][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.630087][    C0]  ? do_syscall_64+0x67/0x80
>[  505.630094][    C0]  ? ksys_read+0x66/0xe0
>[  505.630103][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.630112][    C0]  ? do_syscall_64+0x67/0x80
>[  505.630119][    C0]  ? do_syscall_64+0x67/0x80
>[  505.630127][    C0]  ? do_syscall_64+0x67/0x80
>[  505.630135][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.630143][    C0]  ? do_syscall_64+0x67/0x80
>[  505.630150][    C0]  ? exc_page_fault+0x6e/0x150
>[  505.630159][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.630169][    C0] RIP: 0033:0x7f201791f3cf
>[  505.630182][    C0] RSP: 002b:00007f2008dfcf10 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  505.630192][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f201791f3cf
>[  505.630198][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f1ffc000b90
>[  505.630204][    C0] RBP: 000055e03b6f6610 R08: 0000000000000000 R09: 0000000000000000
>[  505.630209][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1ffc000b90
>[  505.630215][    C0] R13: 00000000ffffffff R14: 00007f2018541890 R15: 0000000000000001
>[  505.630222][    C0]  </TASK>
>[  505.630227][    C0] task:JS Helper       state:S stack:0     pid:1616  tgid:1609  ppid:1581   flags:0x00000002
>[  505.630238][    C0] Call Trace:
>[  505.630244][    C0]  <TASK>
>[  505.630249][    C0]  __schedule+0x381/0x1530
>[  505.630260][    C0]  schedule+0x24/0xb0
>[  505.630268][    C0]  futex_wait_queue+0x60/0x90
>[  505.630277][    C0]  futex_wait+0x169/0x250
>[  505.630287][    C0]  do_futex+0x11c/0x1b0
>[  505.630296][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  505.630304][    C0]  ? _copy_to_user+0x20/0x40
>[  505.630313][    C0]  ? put_timespec64+0x3c/0x70
>[  505.630323][    C0]  do_syscall_64+0x5b/0x80
>[  505.630331][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  505.630341][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.630350][    C0]  ? do_syscall_64+0x67/0x80
>[  505.630356][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  505.630361][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.630367][    C0] RIP: 0033:0x7f20178a3726
>[  505.630375][    C0] RSP: 002b:00007f20085fbda0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  505.630382][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f20178a3726
>[  505.829420][    C0] RDX: 0000000000000000 RSI: 0000000000000189 RDI: 000055e03b7022a0
>[  505.829434][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  505.829441][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f201623e960
>[  505.829447][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: 000055e03b7022a0
>[  505.829457][    C0]  </TASK>
>[  505.829463][    C0] task:JS Helper       state:S stack:0     pid:1617  tgid:1609  ppid:1581   flags:0x00000002
>[  505.829472][    C0] Call Trace:
>[  505.829476][    C0]  <TASK>
>[  505.829479][    C0]  __schedule+0x381/0x1530
>[  505.829490][    C0]  ? schedule+0x24/0xb0
>[  505.829497][    C0]  ? __pfx_futex_wait_queue+0x10/0x10
>[  505.829506][    C0]  schedule+0x24/0xb0
>[  505.829511][    C0]  futex_wait_queue+0x60/0x90
>[  505.829518][    C0]  futex_wait+0x169/0x250
>[  505.829524][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  505.829534][    C0]  do_futex+0x11c/0x1b0
>[  505.829540][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  505.829546][    C0]  ? do_futex+0xfb/0x1b0
>[  505.829552][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  505.829558][    C0]  do_syscall_64+0x5b/0x80
>[  505.829565][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.829571][    C0]  ? do_syscall_64+0x67/0x80
>[  505.829577][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.829582][    C0]  ? do_syscall_64+0x67/0x80
>[  505.829587][    C0]  ? do_syscall_64+0x67/0x80
>[  505.829592][    C0]  ? do_syscall_64+0x67/0x80
>[  505.829597][    C0]  ? do_syscall_64+0x67/0x80
>[  505.829601][    C0]  ? do_syscall_64+0x67/0x80
>[  505.829606][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.829614][    C0] RIP: 0033:0x7f20178a3726
>[  505.829629][    C0] RSP: 002b:00007f20083fcda0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  505.829636][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f20178a3726
>[  505.829643][    C0] RDX: 0000000000000000 RSI: 0000000000000189 RDI: 000055e03b7022a0
>[  505.829652][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  505.829662][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f201623e960
>[  505.829672][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: 000055e03b7022a0
>[  505.829682][    C0]  </TASK>
>[  505.829688][    C0] task:gdbus           state:S stack:0     pid:1618  tgid:1609  ppid:1581   flags:0x00000002
>[  505.829700][    C0] Call Trace:
>[  505.829705][    C0]  <TASK>
>[  505.829710][    C0]  __schedule+0x381/0x1530
>[  505.829720][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  505.829730][    C0]  ? add_wait_queue_priority+0x70/0x80
>[  505.829739][    C0]  schedule+0x24/0xb0
>[  505.829748][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  505.829758][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  505.829768][    C0]  ? add_wait_queue+0x15/0x80
>[  505.829775][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  505.829785][    C0]  ? unix_poll+0x23/0x100
>[  505.829795][    C0]  do_sys_poll+0x3b3/0x5f0
>[  505.829806][    C0]  ? unix_stream_read_actor+0x1a/0x30
>[  505.829816][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.829825][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.829855][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.829868][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.829876][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.829884][    C0]  ? __pfx_pollwake+0x10/0x10
>[  505.829891][    C0]  ? vfs_read+0x230/0x2e0
>[  505.829901][    C0]  ? ksys_read+0x66/0xe0
>[  505.829909][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.829918][    C0]  ? do_syscall_64+0x67/0x80
>[  505.829926][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.829934][    C0]  ? do_syscall_64+0x67/0x80
>[  505.829942][    C0]  ? ksys_write+0x66/0xe0
>[  505.829950][    C0]  ? __x64_sys_poll+0x37/0x140
>[  505.829958][    C0]  __x64_sys_poll+0x37/0x140
>[  505.829966][    C0]  do_syscall_64+0x5b/0x80
>[  505.829974][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.829983][    C0]  ? do_syscall_64+0x67/0x80
>[  505.829990][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  505.830000][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.830010][    C0] RIP: 0033:0x7f201791f3cf
>[  505.830025][    C0] RSP: 002b:00007f2001ffdf10 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  505.830036][    C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f201791f3cf
>[  505.830045][    C0] RDX: 00000000ffffffff RSI: 0000000000000004 RDI: 000055e03d6de300
>[  505.830054][    C0] RBP: 00007f1ffc00a190 R08: 0000000000000000 R09: 0000000000000000
>[  505.830063][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055e03d6de300
>[  505.830072][    C0] R13: 00000000ffffffff R14: 00007f2018541890 R15: 0000000000000004
>[  505.830082][    C0]  </TASK>
>[  505.830089][    C0] task:gnome-s:disk$0  state:S stack:0     pid:1620  tgid:1609  ppid:1581   flags:0x00000002
>[  505.830102][    C0] Call Trace:
>[  505.830107][    C0]  <TASK>
>[  505.830112][    C0]  __schedule+0x381/0x1530
>[  505.830123][    C0]  ? clear_state_bit+0x6a/0x170 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  505.830219][    C0]  schedule+0x24/0xb0
>[  505.830227][    C0]  futex_wait_queue+0x60/0x90
>[  505.830237][    C0]  futex_wait+0x169/0x250
>[  505.830245][    C0]  ? xas_load+0x3d/0x50
>[  505.830254][    C0]  do_futex+0x11c/0x1b0
>[  505.830262][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  505.830271][    C0]  do_syscall_64+0x5b/0x80
>[  505.830278][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  505.830288][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  505.830297][    C0]  ? do_syscall_64+0x67/0x80
>[  505.830304][    C0]  ? __count_memcg_events+0x46/0x90
>[  505.830313][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  505.830322][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  505.830330][    C0]  ? do_user_addr_fault+0x245/0x890
>[  505.830340][    C0]  ? exc_page_fault+0x6e/0x150
>[  505.830348][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  505.830357][    C0] RIP: 0033:0x7f20178a3726
>[  506.029333][    C0] RSP: 002b:00007f1fe45fddb0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  506.029349][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f20178a3726
>[  506.029356][    C0] RDX: 0000000000000000 RSI: 0000000000000189 RDI: 000055e03b8eb334
>[  506.029368][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  506.029379][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e03b8eb2e0
>[  506.029389][    C0] R13: 0000000000000000 R14: 0000000000000001 R15: 000055e03b8eb334
>[  506.029401][    C0]  </TASK>
>[  506.029408][    C0] task:gnome-shell     state:S stack:0     pid:1821  tgid:1609  ppid:1581   flags:0x00000002
>[  506.029417][    C0] Call Trace:
>[  506.029421][    C0]  <TASK>
>[  506.029425][    C0]  __schedule+0x381/0x1530
>[  506.029436][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  506.029447][    C0]  schedule+0x24/0xb0
>[  506.029453][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  506.029461][    C0]  ? set_pte_at+0x15/0x30
>[  506.029467][    C0]  ? do_pte_missing+0x426/0x7f0
>[  506.029473][    C0]  ? __fget_light+0xcb/0x120
>[  506.029479][    C0]  do_epoll_wait+0x59b/0x6f0
>[  506.029488][    C0]  ? __set_task_blocked+0x38/0x90
>[  506.029495][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  506.029503][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  506.029509][    C0]  ? do_syscall_64+0x67/0x80
>[  506.029515][    C0]  do_syscall_64+0x5b/0x80
>[  506.029521][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.029527][    C0]  ? do_syscall_64+0x67/0x80
>[  506.029533][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  506.029541][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.029547][    C0]  ? do_syscall_64+0x67/0x80
>[  506.029556][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.029567][    C0] RIP: 0033:0x7f201792de66
>[  506.029585][    C0] RSP: 002b:00007f1fd3ffda90 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
>[  506.029596][    C0] RAX: ffffffffffffffda RBX: 00007f1fd3ffdd10 RCX: 00007f201792de66
>[  506.029606][    C0] RDX: 0000000000000020 RSI: 00007f1fd3ffdac0 RDI: 000000000000001d
>[  506.029614][    C0] RBP: 00007f1fd3ffdc60 R08: 0000000000000000 R09: 00007f1fd3ffdd10
>[  506.029623][    C0] R10: 00000000ffffffff R11: 0000000000000293 R12: 00000000ffffffff
>[  506.029632][    C0] R13: 000000000000005f R14: 00007fff775bacc0 R15: 00007f1fd37ff000
>[  506.029643][    C0]  </TASK>
>[  506.029650][    C0] task:pool-gnome-shel state:S stack:0     pid:2422  tgid:1609  ppid:1581   flags:0x00000002
>[  506.029663][    C0] Call Trace:
>[  506.029669][    C0]  <TASK>
>[  506.029674][    C0]  __schedule+0x381/0x1530
>[  506.029685][    C0]  ? futex_wait+0x233/0x250
>[  506.029696][    C0]  ? timerqueue_add+0x7a/0x90
>[  506.029706][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  506.029745][    C0]  schedule+0x24/0xb0
>[  506.029756][    C0]  futex_wait_queue+0x60/0x90
>[  506.029767][    C0]  futex_wait+0x169/0x250
>[  506.029776][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  506.029788][    C0]  do_futex+0x11c/0x1b0
>[  506.029797][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  506.029807][    C0]  do_syscall_64+0x5b/0x80
>[  506.029816][    C0]  ? do_syscall_64+0x67/0x80
>[  506.029823][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.029832][    C0]  ? do_syscall_64+0x67/0x80
>[  506.029839][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  506.029849][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.029857][    C0] RIP: 0033:0x7f201792b729
>[  506.029867][    C0] RSP: 002b:00007f20017fced8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  506.029876][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f201792b729
>[  506.029884][    C0] RDX: 0000000000000003 RSI: 0000000000000080 RDI: 000055e03b6f4880
>[  506.029890][    C0] RBP: 000055e03b6f4878 R08: 00000000000001e8 R09: 00000000000001e8
>[  506.029895][    C0] R10: 00007f20017fcef0 R11: 0000000000000246 R12: 000055e03b6f4870
>[  506.029901][    C0] R13: 000000000000000e R14: 0000000000000003 R15: 00007f2000ffe000
>[  506.029908][    C0]  </TASK>
>[  506.029912][    C0] task:mutter-x11-fram state:S stack:0     pid:1622  tgid:1622  ppid:1609   flags:0x00000002
>[  506.029923][    C0] Call Trace:
>[  506.029930][    C0]  <TASK>
>[  506.029934][    C0]  __schedule+0x381/0x1530
>[  506.029940][    C0]  ? drain_obj_stock+0xc7/0x230
>[  506.029947][    C0]  schedule+0x24/0xb0
>[  506.029952][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  506.029959][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  506.029966][    C0]  ? add_wait_queue+0x15/0x80
>[  506.029971][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  506.029977][    C0]  ? unix_poll+0x23/0x100
>[  506.029983][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  506.029989][    C0]  do_sys_poll+0x3b3/0x5f0
>[  506.029996][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  506.030002][    C0]  ? unix_stream_recvmsg+0x88/0x90
>[  506.030007][    C0]  ? __pfx_unix_stream_read_actor+0x10/0x10
>[  506.030013][    C0]  ? sock_recvmsg+0x9c/0xa0
>[  506.030019][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.030024][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.030029][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  506.230137][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  506.230168][    C0]  ? __sys_recvmsg+0x8e/0xa0
>[  506.230177][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.230187][    C0]  ? do_syscall_64+0x67/0x80
>[  506.230195][    C0]  ? __sys_recvmsg+0x8e/0xa0
>[  506.230204][    C0]  ? __x64_sys_poll+0x37/0x140
>[  506.230213][    C0]  __x64_sys_poll+0x37/0x140
>[  506.230222][    C0]  do_syscall_64+0x5b/0x80
>[  506.230230][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.230238][    C0]  ? do_syscall_64+0x67/0x80
>[  506.230245][    C0]  ? do_syscall_64+0x67/0x80
>[  506.230252][    C0]  ? do_syscall_64+0x67/0x80
>[  506.230260][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  506.230268][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.230279][    C0] RIP: 0033:0x7fc9f031f3cf
>[  506.230296][    C0] RSP: 002b:00007ffcb89c65a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  506.230307][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc9f031f3cf
>[  506.230316][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 0000556dde630c60
>[  506.230326][    C0] RBP: 0000556dde298a30 R08: 0000000000000000 R09: 0000000000000000
>[  506.230335][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000556dde630c60
>[  506.230344][    C0] R13: 00000000ffffffff R14: 00007fc9f0f41890 R15: 0000000000000002
>[  506.230354][    C0]  </TASK>
>[  506.230361][    C0] task:mutter-:disk$0  state:S stack:0     pid:1629  tgid:1622  ppid:1609   flags:0x00000002
>[  506.230374][    C0] Call Trace:
>[  506.230380][    C0]  <TASK>
>[  506.230385][    C0]  __schedule+0x381/0x1530
>[  506.230395][    C0]  schedule+0x24/0xb0
>[  506.230403][    C0]  futex_wait_queue+0x60/0x90
>[  506.230413][    C0]  futex_wait+0x169/0x250
>[  506.230421][    C0]  ? set_next_entity+0xdf/0x190
>[  506.230433][    C0]  do_futex+0x11c/0x1b0
>[  506.230440][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  506.230448][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.230456][    C0]  ? do_syscall_64+0x67/0x80
>[  506.230463][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.230472][    C0]  do_syscall_64+0x5b/0x80
>[  506.230479][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  506.230490][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.230500][    C0] RIP: 0033:0x7fc9f02a3726
>[  506.230508][    C0] RSP: 002b:00007fc9eadfe9f0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  506.230517][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc9f02a3726
>[  506.230527][    C0] RDX: 0000000000000000 RSI: 0000000000000189 RDI: 0000556dde20e310
>[  506.230535][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
>[  506.230544][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556dde20e2c0
>[  506.230552][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000556dde20e310
>[  506.230563][    C0]  </TASK>
>[  506.230568][    C0] task:pool-spawner    state:S stack:0     pid:1630  tgid:1622  ppid:1609   flags:0x00000002
>[  506.230580][    C0] Call Trace:
>[  506.230585][    C0]  <TASK>
>[  506.230590][    C0]  __schedule+0x381/0x1530
>[  506.230599][    C0]  ? wakeup_preempt+0x29/0x60
>[  506.230607][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  506.230617][    C0]  ? wake_up_new_task+0x180/0x290
>[  506.230625][    C0]  schedule+0x24/0xb0
>[  506.230633][    C0]  futex_wait_queue+0x60/0x90
>[  506.230651][    C0]  futex_wait+0x169/0x250
>[  506.230659][    C0]  ? __do_sys_clone3+0xd7/0x100
>[  506.230670][    C0]  do_futex+0x11c/0x1b0
>[  506.230687][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  506.230704][    C0]  ? do_futex+0xfb/0x1b0
>[  506.230712][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  506.230730][    C0]  do_syscall_64+0x5b/0x80
>[  506.230737][    C0]  ? do_syscall_64+0x67/0x80
>[  506.230753][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.230761][    C0]  ? do_syscall_64+0x67/0x80
>[  506.230769][    C0]  ? exc_page_fault+0x6e/0x150
>[  506.230776][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.230785][    C0] RIP: 0033:0x7fc9f032b729
>[  506.230792][    C0] RSP: 002b:00007fc9e03feb48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  506.230802][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc9f032b729
>[  506.230811][    C0] RDX: 0000000000000001 RSI: 0000000000000080 RDI: 0000556dde5ad000
>[  506.230819][    C0] RBP: 0000556dde5acff0 R08: 0000000000000001 R09: 0000000000000001
>[  506.230828][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9e03ff648
>[  506.230846][    C0] R13: 0000000000000000 R14: 0000556dde5ad000 R15: 00007fc9dfbff000
>[  506.230865][    C0]  </TASK>
>[  506.230870][    C0] task:gmain           state:S stack:0     pid:1631  tgid:1622  ppid:1609   flags:0x00000002
>[  506.230882][    C0] Call Trace:
>[  506.230887][    C0]  <TASK>
>[  506.230891][    C0]  __schedule+0x381/0x1530
>[  506.230901][    C0]  schedule+0x24/0xb0
>[  506.230908][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  506.230918][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  506.230937][    C0]  do_sys_poll+0x3b3/0x5f0
>[  506.230945][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  506.230954][    C0]  ? mas_update_gap.part.50+0x1c7/0x1f0
>[  506.230963][    C0]  ? mas_wr_node_store+0x296/0x590
>[  506.230972][    C0]  ? __raw_callee_save_xen_pud_val+0x11/0x30
>[  506.230982][    C0]  ? pud_val+0x5/0x10
>[  506.430962][    C0]  ? free_pgd_range+0x579/0x770
>[  506.430988][    C0]  ? prep_new_page+0x193/0x1b0
>[  506.430998][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.431012][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  506.431026][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  506.431034][    C0]  ? xen_set_pte+0x90/0x2b0
>[  506.431044][    C0]  ? set_pte_at+0x15/0x30
>[  506.431052][    C0]  ? do_pte_missing+0x426/0x7f0
>[  506.431061][    C0]  ? __x64_sys_poll+0x37/0x140
>[  506.431070][    C0]  __x64_sys_poll+0x37/0x140
>[  506.431080][    C0]  do_syscall_64+0x5b/0x80
>[  506.431092][    C0]  ? __count_memcg_events+0x46/0x90
>[  506.431101][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  506.431111][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  506.431120][    C0]  ? do_user_addr_fault+0x267/0x890
>[  506.431130][    C0]  ? exc_page_fault+0x6e/0x150
>[  506.431140][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.431152][    C0] RIP: 0033:0x7fc9f031f3cf
>[  506.431170][    C0] RSP: 002b:00007fc9dfbfdb50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  506.431182][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc9f031f3cf
>[  506.431193][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 0000556dde5b07f0
>[  506.431202][    C0] RBP: 0000556dde5b05f0 R08: 0000000000000000 R09: 0000000000000000
>[  506.431211][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000556dde5b07f0
>[  506.431221][    C0] R13: 00000000ffffffff R14: 00007fc9f0f41890 R15: 0000000000000001
>[  506.431233][    C0]  </TASK>
>[  506.431240][    C0] task:gdbus           state:S stack:0     pid:1632  tgid:1622  ppid:1609   flags:0x00000002
>[  506.431255][    C0] Call Trace:
>[  506.431262][    C0]  <TASK>
>[  506.431267][    C0]  __schedule+0x381/0x1530
>[  506.431278][    C0]  ? ep_poll_callback+0x117/0x2c0
>[  506.431291][    C0]  schedule+0x24/0xb0
>[  506.431299][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  506.431311][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  506.431321][    C0]  ? add_wait_queue+0x15/0x80
>[  506.431330][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  506.431341][    C0]  ? unix_poll+0x23/0x100
>[  506.431350][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  506.431360][    C0]  do_sys_poll+0x3b3/0x5f0
>[  506.431372][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.431380][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.431389][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.431397][    C0]  ? aa_file_perm+0x125/0x500
>[  506.431408][    C0]  ? copy_msghdr_from_user+0x72/0xb0
>[  506.431420][    C0]  ? aa_file_perm+0x125/0x500
>[  506.431429][    C0]  ? aa_file_perm+0x125/0x500
>[  506.431437][    C0]  ? aa_file_perm+0x125/0x500
>[  506.431446][    C0]  ? copyout+0x20/0x30
>[  506.431455][    C0]  ? _copy_to_iter+0x58/0x520
>[  506.431465][    C0]  ? _copy_from_user+0x2b/0x70
>[  506.431476][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  506.431485][    C0]  ? eventfd_write+0xc6/0x1e0
>[  506.431494][    C0]  ? eventfd_read+0x180/0x1f0
>[  506.431502][    C0]  ? vfs_read+0x230/0x2e0
>[  506.431512][    C0]  ? __x64_sys_poll+0x37/0x140
>[  506.431520][    C0]  __x64_sys_poll+0x37/0x140
>[  506.431528][    C0]  ? ksys_read+0x66/0xe0
>[  506.431535][    C0]  do_syscall_64+0x5b/0x80
>[  506.431544][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.431553][    C0]  ? do_syscall_64+0x67/0x80
>[  506.431560][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  506.431568][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  506.431575][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.431584][    C0]  ? do_syscall_64+0x67/0x80
>[  506.431591][    C0]  ? exc_page_fault+0x6e/0x150
>[  506.431599][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.431609][    C0] RIP: 0033:0x7fc9f031f3cf
>[  506.431621][    C0] RSP: 002b:00007fc9d4dfeb50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  506.431630][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc9f031f3cf
>[  506.431639][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007fc9c8000b90
>[  506.431648][    C0] RBP: 0000556dde5bbfd0 R08: 0000000000000000 R09: 0000000000000000
>[  506.431658][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fc9c8000b90
>[  506.431667][    C0] R13: 00000000ffffffff R14: 00007fc9f0f41890 R15: 0000000000000002
>[  506.431677][    C0]  </TASK>
>[  506.431683][    C0] task:dconf worker    state:S stack:0     pid:1633  tgid:1622  ppid:1609   flags:0x00000002
>[  506.431691][    C0] Call Trace:
>[  506.431695][    C0]  <TASK>
>[  506.431698][    C0]  __schedule+0x381/0x1530
>[  506.431705][    C0]  schedule+0x24/0xb0
>[  506.431711][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  506.431718][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  506.431724][    C0]  do_sys_poll+0x3b3/0x5f0
>[  506.431730][    C0]  ? memcg_alloc_slab_cgroups+0x3a/0xa0
>[  506.631769][    C0]  ? prep_new_page+0x193/0x1b0
>[  506.631787][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  506.631794][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.631800][    C0]  ? set_next_buddy+0x55/0x90
>[  506.631807][    C0]  ? pmu_msr_read+0x36/0xd0
>[  506.631814][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  506.631819][    C0]  ? xen_mc_flush+0x87/0x230
>[  506.631825][    C0]  ? aa_file_perm+0x125/0x500
>[  506.631839][    C0]  ? xen_load_sp0+0x16a/0x170
>[  506.631847][    C0]  ? copyout+0x20/0x30
>[  506.631857][    C0]  ? _copy_to_iter+0x58/0x520
>[  506.631863][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  506.631870][    C0]  ? eventfd_read+0x180/0x1f0
>[  506.631879][    C0]  ? vfs_read+0x230/0x2e0
>[  506.631886][    C0]  ? __x64_sys_poll+0x37/0x140
>[  506.631893][    C0]  __x64_sys_poll+0x37/0x140
>[  506.631900][    C0]  ? put_timespec64+0x3c/0x70
>[  506.631906][    C0]  do_syscall_64+0x5b/0x80
>[  506.631914][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.631922][    C0]  ? do_syscall_64+0x67/0x80
>[  506.631927][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.631935][    C0]  ? do_syscall_64+0x67/0x80
>[  506.631940][    C0]  ? exc_page_fault+0x6e/0x150
>[  506.631948][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.631956][    C0] RIP: 0033:0x7fc9f031f3cf
>[  506.631971][    C0] RSP: 002b:00007fc9c7ffeb50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  506.631981][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc9f031f3cf
>[  506.631987][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007fc9c0000b90
>[  506.631994][    C0] RBP: 0000556dde5cb190 R08: 0000000000000000 R09: 0000000000000000
>[  506.632001][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fc9c0000b90
>[  506.632008][    C0] R13: 00000000ffffffff R14: 00007fc9f0f41890 R15: 0000000000000001
>[  506.632017][    C0]  </TASK>
>[  506.632022][    C0] task:at-spi2-registr state:S stack:0     pid:1625  tgid:1625  ppid:1      flags:0x00000002
>[  506.632033][    C0] Call Trace:
>[  506.632038][    C0]  <TASK>
>[  506.632041][    C0]  __schedule+0x381/0x1530
>[  506.632051][    C0]  ? _raw_read_lock_irq+0x30/0x30
>[  506.632058][    C0]  ? ep_poll_callback+0x117/0x2c0
>[  506.632068][    C0]  schedule+0x24/0xb0
>[  506.632074][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  506.632081][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  506.632088][    C0]  ? add_wait_queue+0x15/0x80
>[  506.632095][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  506.632103][    C0]  ? unix_poll+0x23/0x100
>[  506.632110][    C0]  do_sys_poll+0x3b3/0x5f0
>[  506.632115][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  506.632122][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  506.632130][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  506.632138][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.632144][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.632149][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.632155][    C0]  ? __import_iovec+0x9d/0x200
>[  506.632162][    C0]  ? import_iovec+0x17/0x20
>[  506.632166][    C0]  ? copy_msghdr_from_user+0x72/0xb0
>[  506.632176][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  506.632183][    C0]  ? __sys_recvmsg+0x5b/0xa0
>[  506.632195][    C0]  ? __sys_recvmsg+0x8e/0xa0
>[  506.632237][    C0]  ? __x64_sys_poll+0x37/0x140
>[  506.632249][    C0]  __x64_sys_poll+0x37/0x140
>[  506.632258][    C0]  do_syscall_64+0x5b/0x80
>[  506.632267][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.632275][    C0]  ? do_syscall_64+0x67/0x80
>[  506.632283][    C0]  ? do_syscall_64+0x67/0x80
>[  506.632291][    C0]  ? exc_page_fault+0x6e/0x150
>[  506.632299][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.632309][    C0] RIP: 0033:0x7f32da71f3cf
>[  506.632318][    C0] RSP: 002b:00007ffcf93ada20 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  506.632328][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f32da71f3cf
>[  506.632338][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00005590cc146fc0
>[  506.632347][    C0] RBP: 00005590cc1192d0 R08: 0000000000000000 R09: 0000000000000000
>[  506.632356][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00005590cc146fc0
>[  506.632365][    C0] R13: 00000000ffffffff R14: 00007f32daec2890 R15: 0000000000000003
>[  506.632376][    C0]  </TASK>
>[  506.632382][    C0] task:pool-spawner    state:S stack:0     pid:1626  tgid:1625  ppid:1      flags:0x00000002
>[  506.632394][    C0] Call Trace:
>[  506.632400][    C0]  <TASK>
>[  506.632405][    C0]  __schedule+0x381/0x1530
>[  506.632415][    C0]  schedule+0x24/0xb0
>[  506.632423][    C0]  futex_wait_queue+0x60/0x90
>[  506.632433][    C0]  futex_wait+0x169/0x250
>[  506.632442][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  506.632451][    C0]  ? xen_set_pte+0x90/0x2b0
>[  506.632461][    C0]  do_futex+0x11c/0x1b0
>[  506.632469][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  506.632479][    C0]  do_syscall_64+0x5b/0x80
>[  506.632486][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  506.632495][    C0]  ? do_user_addr_fault+0x267/0x890
>[  506.632505][    C0]  ? exc_page_fault+0x6e/0x150
>[  506.632514][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.632523][    C0] RIP: 0033:0x7f32da72b729
>[  506.632532][    C0] RSP: 002b:00007f32d8dfec48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  506.632542][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32da72b729
>[  506.632551][    C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00005590cc119780
>[  506.632560][    C0] RBP: 00005590cc119770 R08: 0000000000000001 R09: 0000000000000001
>[  506.632569][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f32d8dff648
>[  506.632578][    C0] R13: 0000000000000000 R14: 00005590cc119780 R15: 00007f32d85ff000
>[  506.632588][    C0]  </TASK>
>[  506.632593][    C0] task:gmain           state:S stack:0     pid:1627  tgid:1625  ppid:1      flags:0x00000002
>[  506.632604][    C0] Call Trace:
>[  506.632608][    C0]  <TASK>
>[  506.632623][    C0]  __schedule+0x381/0x1530
>[  506.831659][    C0]  schedule+0x24/0xb0
>[  506.831675][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  506.831683][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  506.831690][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  506.831696][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  506.831702][    C0]  do_sys_poll+0x3b3/0x5f0
>[  506.831709][    C0]  ? pud_val+0x5/0x10
>[  506.831718][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  506.831732][    C0]  ? __raw_callee_save_xen_pmd_val+0x11/0x30
>[  506.831743][    C0]  ? prep_new_page+0x193/0x1b0
>[  506.831750][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  506.831757][    C0]  ? page_counter_try_charge+0x5d/0xd0
>[  506.831766][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.831773][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  506.831779][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  506.831786][    C0]  ? xen_set_pte+0x90/0x2b0
>[  506.831794][    C0]  ? set_pte_at+0x15/0x30
>[  506.831799][    C0]  ? do_pte_missing+0x426/0x7f0
>[  506.831804][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  506.831814][    C0]  ? __x64_sys_poll+0x37/0x140
>[  506.831820][    C0]  __x64_sys_poll+0x37/0x140
>[  506.831825][    C0]  do_syscall_64+0x5b/0x80
>[  506.831832][    C0]  ? do_user_addr_fault+0x267/0x890
>[  506.831841][    C0]  ? exc_page_fault+0x6e/0x150
>[  506.831847][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.831856][    C0] RIP: 0033:0x7f32da71f3cf
>[  506.831879][    C0] RSP: 002b:00007f32d85fdc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  506.831891][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f32da71f3cf
>[  506.831899][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00005590cc135a70
>[  506.831908][    C0] RBP: 00005590cc135800 R08: 0000000000000000 R09: 0000000000000000
>[  506.831916][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00005590cc135a70
>[  506.831925][    C0] R13: 00000000ffffffff R14: 00007f32daec2890 R15: 0000000000000001
>[  506.831935][    C0]  </TASK>
>[  506.831941][    C0] task:gdbus           state:S stack:0     pid:1628  tgid:1625  ppid:1      flags:0x00000002
>[  506.831982][    C0] Call Trace:
>[  506.831991][    C0]  <TASK>
>[  506.831998][    C0]  __schedule+0x381/0x1530
>[  506.832009][    C0]  schedule+0x24/0xb0
>[  506.832017][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  506.832027][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  506.832037][    C0]  ? add_wait_queue+0x15/0x80
>[  506.832045][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  506.832055][    C0]  ? unix_poll+0x23/0x100
>[  506.832063][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  506.832072][    C0]  do_sys_poll+0x3b3/0x5f0
>[  506.832083][    C0]  ? unix_stream_read_generic+0x824/0xac0
>[  506.832093][    C0]  ? put_cpu_partial+0x5f/0x80
>[  506.832102][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  506.832111][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.832120][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.832129][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.832136][    C0]  ? unix_stream_recvmsg+0x88/0x90
>[  506.832144][    C0]  ? __pfx_unix_stream_read_actor+0x10/0x10
>[  506.832153][    C0]  ? sock_recvmsg+0x9c/0xa0
>[  506.832163][    C0]  ? import_iovec+0x17/0x20
>[  506.832171][    C0]  ? aa_file_perm+0x125/0x500
>[  506.832182][    C0]  ? copyout+0x20/0x30
>[  506.832191][    C0]  ? _copy_to_iter+0x58/0x520
>[  506.832200][    C0]  ? aa_file_perm+0x125/0x500
>[  506.832209][    C0]  ? aa_file_perm+0x125/0x500
>[  506.832218][    C0]  ? eventfd_read+0x180/0x1f0
>[  506.832227][    C0]  ? vfs_read+0x230/0x2e0
>[  506.832237][    C0]  ? __x64_sys_poll+0x37/0x140
>[  506.832245][    C0]  __x64_sys_poll+0x37/0x140
>[  506.832253][    C0]  do_syscall_64+0x5b/0x80
>[  506.832260][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.832269][    C0]  ? do_syscall_64+0x67/0x80
>[  506.832277][    C0]  ? ksys_write+0x66/0xe0
>[  506.832285][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.832296][    C0]  ? do_syscall_64+0x67/0x80
>[  506.832303][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  506.832311][    C0]  ? do_syscall_64+0x67/0x80
>[  506.832319][    C0]  ? do_syscall_64+0x67/0x80
>[  506.832327][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.832337][    C0] RIP: 0033:0x7f32da71f3cf
>[  506.832347][    C0] RSP: 002b:00007f32d7dfcc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  506.832358][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f32da71f3cf
>[  506.832367][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f32cc000b90
>[  506.832376][    C0] RBP: 00005590cc142020 R08: 0000000000000000 R09: 0000000000000000
>[  506.832386][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f32cc000b90
>[  506.832395][    C0] R13: 00000000ffffffff R14: 00007f32daec2890 R15: 0000000000000002
>[  506.832406][    C0]  </TASK>
>[  506.832413][    C0] task:xdg-permission- state:S stack:0     pid:1638  tgid:1638  ppid:1      flags:0x00000002
>[  506.832426][    C0] Call Trace:
>[  506.832432][    C0]  <TASK>
>[  506.832437][    C0]  __schedule+0x381/0x1530
>[  506.832447][    C0]  ? schedule+0x24/0xb0
>[  506.832455][    C0]  ? _get_random_bytes.part.19+0x90/0x120
>[  506.832466][    C0]  ? __pfx__raw_spin_lock+0x10/0x10
>[  506.832475][    C0]  ? remove_wait_queue+0x12/0x50
>[  506.832484][    C0]  schedule+0x24/0xb0
>[  506.832492][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  506.832503][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  506.832512][    C0]  do_sys_poll+0x3b3/0x5f0
>[  506.832520][    C0]  ? new_slab+0x2b6/0x5b0
>[  506.832529][    C0]  ? mod_objcg_state+0xb7/0x2f0
>[  506.832540][    C0]  ? update_load_avg+0x217/0x780
>[  506.832551][    C0]  ? place_entity+0xd6/0x120
>[  506.832560][    C0]  ? update_load_avg+0x217/0x780
>[  506.832569][    C0]  ? update_curr+0x69/0x1f0
>[  506.832578][    C0]  ? reweight_entity+0x155/0x170
>[  506.832587][    C0]  ? __pfx_pollwake+0x10/0x10
>[  506.832594][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  506.832602][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  506.832609][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  506.832618][    C0]  ? pollwake+0x74/0xa0
>[  506.832624][    C0]  ? __pfx_default_wake_function+0x10/0x10
>[  506.832633][    C0]  ? __wake_up_common+0x74/0x130
>[  506.832641][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  506.832650][    C0]  ? eventfd_write+0xc6/0x1e0
>[  506.832660][    C0]  ? vfs_write+0xc5/0x380
>[  506.832669][    C0]  ? __fget_light+0xcb/0x120
>[  506.832677][    C0]  ? ksys_write+0x66/0xe0
>[  506.832686][    C0]  ? __x64_sys_poll+0x37/0x140
>[  506.832694][    C0]  __x64_sys_poll+0x37/0x140
>[  506.832702][    C0]  do_syscall_64+0x5b/0x80
>[  506.832710][    C0]  ? exc_page_fault+0x6e/0x150
>[  506.832719][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  506.832729][    C0] RIP: 0033:0x7febe871f3cf
>[  506.832738][    C0] RSP: 002b:00007ffd806c9cf0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  506.832749][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007febe871f3cf
>[  506.832758][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00005647ad64de40
>[  506.832767][    C0] RBP: 00005647ad642dd0 R08: 0000000000000000 R09: 0000000000000000
>[  506.832776][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00005647ad64de40
>[  507.031564][    C0] R13: 00000000ffffffff R14: 00007febe8cc1890 R15: 0000000000000001
>[  507.031584][    C0]  </TASK>
>[  507.031589][    C0] task:pool-spawner    state:S stack:0     pid:1639  tgid:1638  ppid:1      flags:0x00000002
>[  507.031599][    C0] Call Trace:
>[  507.031603][    C0]  <TASK>
>[  507.031607][    C0]  __schedule+0x381/0x1530
>[  507.031624][    C0]  ? reweight_entity+0x155/0x170
>[  507.031636][    C0]  ? check_preempt_wakeup_fair+0x142/0x2c0
>[  507.031646][    C0]  schedule+0x24/0xb0
>[  507.031653][    C0]  futex_wait_queue+0x60/0x90
>[  507.031663][    C0]  futex_wait+0x169/0x250
>[  507.031671][    C0]  ? wake_up_q+0x49/0x90
>[  507.031679][    C0]  do_futex+0x11c/0x1b0
>[  507.031687][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  507.031696][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.031706][    C0]  ? do_syscall_64+0x67/0x80
>[  507.031714][    C0]  do_syscall_64+0x5b/0x80
>[  507.031722][    C0]  ? do_syscall_64+0x67/0x80
>[  507.031729][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.031737][    C0]  ? do_syscall_64+0x67/0x80
>[  507.031745][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.031752][    C0]  ? do_syscall_64+0x67/0x80
>[  507.031759][    C0]  ? exc_page_fault+0x6e/0x150
>[  507.031767][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.031777][    C0] RIP: 0033:0x7febe872b729
>[  507.031796][    C0] RSP: 002b:00007febe79fec48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  507.031806][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007febe872b729
>[  507.031816][    C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00005647ad643340
>[  507.031824][    C0] RBP: 00005647ad643330 R08: 0000000000000001 R09: 0000000000000001
>[  507.031832][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007febe79ff570
>[  507.031842][    C0] R13: 0000000000000000 R14: 00005647ad643340 R15: 00007febe71ff000
>[  507.031902][    C0]  </TASK>
>[  507.031907][    C0] task:gmain           state:S stack:0     pid:1640  tgid:1638  ppid:1      flags:0x00000002
>[  507.031920][    C0] Call Trace:
>[  507.031926][    C0]  <TASK>
>[  507.031931][    C0]  __schedule+0x381/0x1530
>[  507.031945][    C0]  schedule+0x24/0xb0
>[  507.031953][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.031964][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.031977][    C0]  do_sys_poll+0x3b3/0x5f0
>[  507.031990][    C0]  ? prep_new_page+0x193/0x1b0
>[  507.032000][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  507.032010][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.032020][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  507.032030][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  507.032038][    C0]  ? xen_set_pte+0x90/0x2b0
>[  507.032047][    C0]  ? set_pte_at+0x15/0x30
>[  507.032056][    C0]  ? do_pte_missing+0x426/0x7f0
>[  507.032063][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  507.032072][    C0]  ? __x64_sys_poll+0x37/0x140
>[  507.032080][    C0]  __x64_sys_poll+0x37/0x140
>[  507.032087][    C0]  do_syscall_64+0x5b/0x80
>[  507.032095][    C0]  ? __count_memcg_events+0x46/0x90
>[  507.032115][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  507.032125][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  507.032133][    C0]  ? do_user_addr_fault+0x267/0x890
>[  507.032144][    C0]  ? exc_page_fault+0x6e/0x150
>[  507.032153][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.032163][    C0] RIP: 0033:0x7febe871f3cf
>[  507.032175][    C0] RSP: 002b:00007febe71fdc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  507.032186][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007febe871f3cf
>[  507.032196][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00005647ad645780
>[  507.032204][    C0] RBP: 00005647ad6454f0 R08: 0000000000000000 R09: 0000000000000000
>[  507.032210][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00005647ad645780
>[  507.032219][    C0] R13: 00000000ffffffff R14: 00007febe8cc1890 R15: 0000000000000001
>[  507.032228][    C0]  </TASK>
>[  507.032232][    C0] task:gdbus           state:S stack:0     pid:1642  tgid:1638  ppid:1      flags:0x00000002
>[  507.032241][    C0] Call Trace:
>[  507.032245][    C0]  <TASK>
>[  507.032248][    C0]  __schedule+0x381/0x1530
>[  507.032255][    C0]  ? wakeup_preempt+0x29/0x60
>[  507.032263][    C0]  schedule+0x24/0xb0
>[  507.032274][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.032284][    C0]  ? ep_autoremove_wake_function+0xe/0x30
>[  507.032294][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.032303][    C0]  ? add_wait_queue+0x15/0x80
>[  507.032311][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  507.032321][    C0]  ? unix_poll+0x23/0x100
>[  507.032329][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.032339][    C0]  do_sys_poll+0x3b3/0x5f0
>[  507.032348][    C0]  ? __fget_light+0xcb/0x120
>[  507.032357][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  507.032366][    C0]  ? sock_def_readable+0x3e/0xc0
>[  507.032376][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.032385][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.032394][    C0]  ? ___sys_sendmsg+0x9a/0xd0
>[  507.032405][    C0]  ? eventfd_read+0x180/0x1f0
>[  507.032414][    C0]  ? copyout+0x20/0x30
>[  507.032425][    C0]  ? vfs_read+0x230/0x2e0
>[  507.032435][    C0]  ? __x64_sys_poll+0x37/0x140
>[  507.032443][    C0]  __x64_sys_poll+0x37/0x140
>[  507.032449][    C0]  do_syscall_64+0x5b/0x80
>[  507.032454][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.032459][    C0]  ? do_syscall_64+0x67/0x80
>[  507.032464][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.032470][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  507.032475][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  507.032480][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.032486][    C0]  ? do_syscall_64+0x67/0x80
>[  507.032490][    C0]  ? do_syscall_64+0x67/0x80
>[  507.032495][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.032501][    C0] RIP: 0033:0x7febe871f3cf
>[  507.032518][    C0] RSP: 002b:00007febe61fbc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  507.231786][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febe871f3cf
>[  507.231808][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007febd0000b90
>[  507.231818][    C0] RBP: 00007febdc005dc0 R08: 0000000000000000 R09: 0000000000000000
>[  507.231829][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007febd0000b90
>[  507.231840][    C0] R13: 00000000ffffffff R14: 00007febe8cc1890 R15: 0000000000000002
>[  507.231855][    C0]  </TASK>
>[  507.231863][    C0] task:upowerd         state:S stack:0     pid:1644  tgid:1644  ppid:1      flags:0x00000002
>[  507.231878][    C0] Call Trace:
>[  507.231884][    C0]  <TASK>
>[  507.231889][    C0]  __schedule+0x381/0x1530
>[  507.231903][    C0]  ? schedule+0x24/0xb0
>[  507.231912][    C0]  schedule+0x24/0xb0
>[  507.231921][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.231931][    C0]  ? remove_wait_queue+0x12/0x50
>[  507.231940][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.231950][    C0]  ? add_wait_queue+0x15/0x80
>[  507.231957][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  507.231967][    C0]  ? datagram_poll+0x22/0x100
>[  507.231977][    C0]  do_sys_poll+0x3b3/0x5f0
>[  507.231988][    C0]  ? update_load_avg+0x217/0x780
>[  507.231999][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.232008][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.232015][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.232023][    C0]  ? copyout+0x20/0x30
>[  507.232032][    C0]  ? eventfd_read+0x180/0x1f0
>[  507.232042][    C0]  ? vfs_read+0x230/0x2e0
>[  507.232052][    C0]  ? ksys_read+0x66/0xe0
>[  507.232060][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.232069][    C0]  ? do_syscall_64+0x67/0x80
>[  507.232078][    C0]  ? __x64_sys_poll+0x37/0x140
>[  507.232086][    C0]  __x64_sys_poll+0x37/0x140
>[  507.232094][    C0]  do_syscall_64+0x5b/0x80
>[  507.232102][    C0]  ? do_syscall_64+0x67/0x80
>[  507.232110][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  507.232118][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.232129][    C0] RIP: 0033:0x7fda7371f3cf
>[  507.232147][    C0] RSP: 002b:00007ffcf1472ee0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  507.232159][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fda7371f3cf
>[  507.232167][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 0000559887888530
>[  507.232176][    C0] RBP: 000055988785f1d0 R08: 0000000000000000 R09: 0000000000000000
>[  507.232185][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000559887888530
>[  507.232194][    C0] R13: 00000000ffffffff R14: 00007fda74778890 R15: 0000000000000002
>[  507.232205][    C0]  </TASK>
>[  507.232211][    C0] task:pool-spawner    state:S stack:0     pid:1649  tgid:1644  ppid:1      flags:0x00000002
>[  507.232224][    C0] Call Trace:
>[  507.232230][    C0]  <TASK>
>[  507.232235][    C0]  __schedule+0x381/0x1530
>[  507.232244][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  507.232256][    C0]  schedule+0x24/0xb0
>[  507.232264][    C0]  futex_wait_queue+0x60/0x90
>[  507.232274][    C0]  futex_wait+0x169/0x250
>[  507.232282][    C0]  ? wake_up_q+0x49/0x90
>[  507.232289][    C0]  ? futex_wake+0x140/0x160
>[  507.232298][    C0]  do_futex+0x11c/0x1b0
>[  507.232306][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  507.232315][    C0]  do_syscall_64+0x5b/0x80
>[  507.232323][    C0]  ? exc_page_fault+0x6e/0x150
>[  507.232331][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.232341][    C0] RIP: 0033:0x7fda7372b729
>[  507.232354][    C0] RSP: 002b:00007fda71dfecc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  507.232364][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fda7372b729
>[  507.232373][    C0] RDX: 0000000000000001 RSI: 0000000000000080 RDI: 000055988785e700
>[  507.232382][    C0] RBP: 000055988785e6f0 R08: 0000000000000001 R09: 0000000000000001
>[  507.232391][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fda71dff648
>[  507.232399][    C0] R13: 0000000000000000 R14: 000055988785e700 R15: 00007fda715ff000
>[  507.232410][    C0]  </TASK>
>[  507.232415][    C0] task:gmain           state:S stack:0     pid:1650  tgid:1644  ppid:1      flags:0x00000002
>[  507.232427][    C0] Call Trace:
>[  507.232432][    C0]  <TASK>
>[  507.232437][    C0]  __schedule+0x381/0x1530
>[  507.232447][    C0]  schedule+0x24/0xb0
>[  507.232454][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.232464][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.232473][    C0]  do_sys_poll+0x3b3/0x5f0
>[  507.232482][    C0]  ? __raw_callee_save_xen_pmd_val+0x11/0x30
>[  507.232493][    C0]  ? prep_new_page+0x193/0x1b0
>[  507.232502][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  507.232741][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.232755][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  507.232767][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  507.232775][    C0]  ? xen_set_pte+0x90/0x2b0
>[  507.232785][    C0]  ? set_pte_at+0x15/0x30
>[  507.232795][    C0]  ? do_pte_missing+0x426/0x7f0
>[  507.232805][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  507.232813][    C0]  ? __x64_sys_poll+0x37/0x140
>[  507.232822][    C0]  __x64_sys_poll+0x37/0x140
>[  507.232831][    C0]  do_syscall_64+0x5b/0x80
>[  507.232840][    C0]  ? do_user_addr_fault+0x267/0x890
>[  507.232853][    C0]  ? exc_page_fault+0x6e/0x150
>[  507.232863][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.232877][    C0] RIP: 0033:0x7fda7371f3cf
>[  507.232891][    C0] RSP: 002b:00007fda715fdcd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  507.232903][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fda7371f3cf
>[  507.232912][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055988786b410
>[  507.232920][    C0] RBP: 000055988786b180 R08: 0000000000000000 R09: 0000000000000000
>[  507.232930][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055988786b410
>[  507.232939][    C0] R13: 00000000ffffffff R14: 00007fda74778890 R15: 0000000000000001
>[  507.232950][    C0]  </TASK>
>[  507.232957][    C0] task:gdbus           state:S stack:0     pid:1651  tgid:1644  ppid:1      flags:0x00000002
>[  507.232971][    C0] Call Trace:
>[  507.232976][    C0]  <TASK>
>[  507.232981][    C0]  __schedule+0x381/0x1530
>[  507.232991][    C0]  ? _raw_read_lock_irqsave+0x14/0x50
>[  507.233001][    C0]  schedule+0x24/0xb0
>[  507.233008][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.233018][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.233027][    C0]  ? add_wait_queue+0x15/0x80
>[  507.233034][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  507.233044][    C0]  ? unix_poll+0x23/0x100
>[  507.233051][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.233060][    C0]  do_sys_poll+0x3b3/0x5f0
>[  507.233069][    C0]  ? kmem_cache_free+0x1bf/0x490
>[  507.233077][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  507.233087][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.233094][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.233102][    C0]  ? wakeup_preempt+0x29/0x60
>[  507.233110][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  507.233118][    C0]  ? aa_file_perm+0x125/0x500
>[  507.233128][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  507.233136][    C0]  ? pollwake+0x74/0xa0
>[  507.233143][    C0]  ? aa_file_perm+0x125/0x500
>[  507.233151][    C0]  ? eventfd_write+0xc6/0x1e0
>[  507.233159][    C0]  ? copyout+0x20/0x30
>[  507.233168][    C0]  ? _copy_to_iter+0x58/0x520
>[  507.233179][    C0]  ? __x64_sys_poll+0x37/0x140
>[  507.233186][    C0]  __x64_sys_poll+0x37/0x140
>[  507.233195][    C0]  do_syscall_64+0x5b/0x80
>[  507.233203][    C0]  ? ksys_read+0x66/0xe0
>[  507.233211][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.233219][    C0]  ? do_syscall_64+0x67/0x80
>[  507.233227][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  507.233234][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.233244][    C0] RIP: 0033:0x7fda7371f3cf
>[  507.233256][    C0] RSP: 002b:00007fda70dfccd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  507.233266][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fda7371f3cf
>[  507.233274][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007fda68000b90
>[  507.233281][    C0] RBP: 0000559887877c00 R08: 0000000000000000 R09: 0000000000000000
>[  507.233289][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fda68000b90
>[  507.233297][    C0] R13: 00000000ffffffff R14: 00007fda74778890 R15: 0000000000000002
>[  507.233307][    C0]  </TASK>
>[  507.233313][    C0] task:gsd-sharing     state:S stack:0     pid:1653  tgid:1653  ppid:1581   flags:0x00000002
>[  507.233326][    C0] Call Trace:
>[  507.233331][    C0]  <TASK>
>[  507.233336][    C0]  __schedule+0x381/0x1530
>[  507.233346][    C0]  ? schedule+0x24/0xb0
>[  507.233355][    C0]  schedule+0x24/0xb0
>[  507.233362][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.233371][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  507.233379][    C0]  ? schedule+0x24/0xb0
>[  507.233387][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.233396][    C0]  do_sys_poll+0x3b3/0x5f0
>[  507.233407][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.233415][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.233424][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.233433][    C0]  ? _copy_to_iter+0x58/0x520
>[  507.233446][    C0]  ? _copy_to_iter+0x58/0x520
>[  507.233459][    C0]  ? aa_file_perm+0x125/0x500
>[  507.233469][    C0]  ? copyout+0x20/0x30
>[  507.233477][    C0]  ? _copy_to_iter+0x58/0x520
>[  507.233487][    C0]  ? copyout+0x20/0x30
>[  507.233495][    C0]  ? _copy_to_iter+0x58/0x520
>[  507.233504][    C0]  ? eventfd_read+0x180/0x1f0
>[  507.233772][    C0]  ? eventfd_read+0x180/0x1f0
>[  507.233789][    C0]  ? vfs_read+0x230/0x2e0
>[  507.233799][    C0]  ? ksys_read+0x66/0xe0
>[  507.233808][    C0]  ? __x64_sys_poll+0x37/0x140
>[  507.233816][    C0]  __x64_sys_poll+0x37/0x140
>[  507.233826][    C0]  do_syscall_64+0x5b/0x80
>[  507.233835][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.233845][    C0]  ? do_syscall_64+0x67/0x80
>[  507.233853][    C0]  ? do_syscall_64+0x67/0x80
>[  507.233861][    C0]  ? do_syscall_64+0x67/0x80
>[  507.233870][    C0]  ? do_syscall_64+0x67/0x80
>[  507.233877][    C0]  ? exc_page_fault+0x6e/0x150
>[  507.233886][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.233897][    C0] RIP: 0033:0x7f4f5411f3cf
>[  507.233912][    C0] RSP: 002b:00007ffe9ae6ae60 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  507.233925][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4f5411f3cf
>[  507.233935][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055f6e6fcb870
>[  507.233945][    C0] RBP: 000055f6e6fa1130 R08: 0000000000000000 R09: 0000000000000000
>[  507.233955][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055f6e6fcb870
>[  507.233965][    C0] R13: 00000000ffffffff R14: 00007f4f544a8890 R15: 0000000000000001
>[  507.233979][    C0]  </TASK>
>[  507.233986][    C0] task:gmain           state:S stack:0     pid:1670  tgid:1653  ppid:1581   flags:0x00000002
>[  507.233999][    C0] Call Trace:
>[  507.234005][    C0]  <TASK>
>[  507.234010][    C0]  __schedule+0x381/0x1530
>[  507.234021][    C0]  schedule+0x24/0xb0
>[  507.234029][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.234039][    C0]  ? schedule+0x24/0xb0
>[  507.234047][    C0]  ? schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.234057][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.234067][    C0]  do_sys_poll+0x3b3/0x5f0
>[  507.234077][    C0]  ? prep_new_page+0x193/0x1b0
>[  507.234087][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  507.234098][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.234106][    C0]  ? xen_load_sp0+0x16a/0x170
>[  507.234116][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  507.234130][    C0]  ? aa_file_perm+0x125/0x500
>[  507.234140][    C0]  ? copyout+0x20/0x30
>[  507.234148][    C0]  ? _copy_to_iter+0x58/0x520
>[  507.234157][    C0]  ? __schedule+0x389/0x1530
>[  507.234165][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  507.234175][    C0]  ? eventfd_read+0x180/0x1f0
>[  507.234184][    C0]  ? futex_wake+0x140/0x160
>[  507.234194][    C0]  ? do_futex+0xfb/0x1b0
>[  507.234201][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  507.234210][    C0]  ? __x64_sys_poll+0x37/0x140
>[  507.234217][    C0]  ? do_syscall_64+0x67/0x80
>[  507.234224][    C0]  __x64_sys_poll+0x37/0x140
>[  507.234233][    C0]  do_syscall_64+0x5b/0x80
>[  507.234240][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  507.234251][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.234260][    C0]  ? do_syscall_64+0x67/0x80
>[  507.234267][    C0]  ? exc_page_fault+0x6e/0x150
>[  507.234275][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.234285][    C0] RIP: 0033:0x7f4f5411f3cf
>[  507.431131][    C0] RSP: 002b:00007f4f52bfe490 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  507.431149][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4f5411f3cf
>[  507.431159][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055f6e6fa1610
>[  507.431169][    C0] RBP: 000055f6e6fa13e0 R08: 0000000000000000 R09: 0000000000000000
>[  507.431180][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055f6e6fa1610
>[  507.431190][    C0] R13: 00000000ffffffff R14: 00007f4f544a8890 R15: 0000000000000001
>[  507.431206][    C0]  </TASK>
>[  507.431217][    C0] task:pool-spawner    state:S stack:0     pid:1679  tgid:1653  ppid:1581   flags:0x00000002
>[  507.431233][    C0] Call Trace:
>[  507.431240][    C0]  <TASK>
>[  507.431246][    C0]  __schedule+0x381/0x1530
>[  507.431264][    C0]  schedule+0x24/0xb0
>[  507.431308][    C0]  futex_wait_queue+0x60/0x90
>[  507.431324][    C0]  futex_wait+0x169/0x250
>[  507.431334][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  507.431347][    C0]  do_futex+0x11c/0x1b0
>[  507.431356][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  507.431365][    C0]  ? futex_wake+0x140/0x160
>[  507.431375][    C0]  do_syscall_64+0x5b/0x80
>[  507.431385][    C0]  ? do_futex+0xfb/0x1b0
>[  507.431393][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  507.431402][    C0]  ? __set_current_blocked+0x36/0x50
>[  507.431415][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.431425][    C0]  ? do_syscall_64+0x67/0x80
>[  507.431433][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.431444][    C0]  ? do_syscall_64+0x67/0x80
>[  507.431452][    C0]  ? exc_page_fault+0x6e/0x150
>[  507.431461][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.431473][    C0] RIP: 0033:0x7f4f5412b729
>[  507.431493][    C0] RSP: 002b:00007f4f523fd488 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  507.431505][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4f5412b729
>[  507.431515][    C0] RDX: 0000000000000003 RSI: 0000000000000080 RDI: 000055f6e6faad80
>[  507.431524][    C0] RBP: 000055f6e6faad70 R08: 0000000000000001 R09: 0000000000000001
>[  507.431534][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f523fddd8
>[  507.431543][    C0] R13: 0000000000000000 R14: 000055f6e6faad80 R15: 00007f4f51bfe000
>[  507.431555][    C0]  </TASK>
>[  507.431562][    C0] task:dconf worker    state:S stack:0     pid:1680  tgid:1653  ppid:1581   flags:0x00000002
>[  507.431576][    C0] Call Trace:
>[  507.431582][    C0]  <TASK>
>[  507.431588][    C0]  __schedule+0x381/0x1530
>[  507.431598][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  507.431609][    C0]  ? __schedule+0x370/0x1530
>[  507.431619][    C0]  schedule+0x24/0xb0
>[  507.431628][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.431639][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  507.431650][    C0]  ? hrtimer_try_to_cancel+0xaf/0x100
>[  507.431661][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.431671][    C0]  do_sys_poll+0x3b3/0x5f0
>[  507.431683][    C0]  ? mas_alloc_nodes+0xf6/0x200
>[  507.431694][    C0]  ? __update_load_avg_se+0x2a1/0x320
>[  507.431704][    C0]  ? __update_load_avg_se+0x2a1/0x320
>[  507.431712][    C0]  ? prep_new_page+0x193/0x1b0
>[  507.431721][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  507.431731][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.431740][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.431748][    C0]  ? aa_file_perm+0x125/0x500
>[  507.431760][    C0]  ? copyout+0x20/0x30
>[  507.431770][    C0]  ? _copy_to_iter+0x58/0x520
>[  507.431779][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  507.431789][    C0]  ? eventfd_read+0x180/0x1f0
>[  507.431799][    C0]  ? vfs_read+0x230/0x2e0
>[  507.431809][    C0]  ? xen_clocksource_read+0x18/0x30
>[  507.431821][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  507.431829][    C0]  ? _copy_to_user+0x20/0x40
>[  507.431840][    C0]  ? __x64_sys_poll+0x37/0x140
>[  507.431848][    C0]  __x64_sys_poll+0x37/0x140
>[  507.431857][    C0]  do_syscall_64+0x5b/0x80
>[  507.431866][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  507.431878][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.431887][    C0]  ? do_syscall_64+0x67/0x80
>[  507.431895][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.431904][    C0]  ? do_syscall_64+0x67/0x80
>[  507.431912][    C0]  ? put_timespec64+0x3c/0x70
>[  507.431921][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  507.431931][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.431940][    C0]  ? do_syscall_64+0x67/0x80
>[  507.431948][    C0]  ? exc_page_fault+0x6e/0x150
>[  507.431957][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.431967][    C0] RIP: 0033:0x7f4f5411f3cf
>[  507.431984][    C0] RSP: 002b:00007f4f51bfc490 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  507.431994][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4f5411f3cf
>[  507.632356][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f4f48000b90
>[  507.632374][    C0] RBP: 000055f6e6fb2380 R08: 0000000000000000 R09: 0000000000000000
>[  507.632384][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f4f48000b90
>[  507.632393][    C0] R13: 00000000ffffffff R14: 00007f4f544a8890 R15: 0000000000000001
>[  507.632406][    C0]  </TASK>
>[  507.632412][    C0] task:gdbus           state:S stack:0     pid:1681  tgid:1653  ppid:1581   flags:0x00000002
>[  507.632422][    C0] Call Trace:
>[  507.632426][    C0]  <TASK>
>[  507.632429][    C0]  __schedule+0x381/0x1530
>[  507.632439][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  507.632449][    C0]  ? _raw_read_lock_irqsave+0x14/0x50
>[  507.632458][    C0]  ? ep_poll_callback+0xd0/0x2c0
>[  507.632469][    C0]  ? __schedule+0x389/0x1530
>[  507.632478][    C0]  schedule+0x24/0xb0
>[  507.632484][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.632491][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  507.632497][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.632503][    C0]  ? add_wait_queue+0x15/0x80
>[  507.632509][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  507.632515][    C0]  ? unix_poll+0x23/0x100
>[  507.632521][    C0]  do_sys_poll+0x3b3/0x5f0
>[  507.632527][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.632534][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  507.632539][    C0]  ? update_load_avg+0x217/0x780
>[  507.632546][    C0]  ? place_entity+0xd6/0x120
>[  507.632551][    C0]  ? update_load_avg+0x217/0x780
>[  507.632557][    C0]  ? update_curr+0x69/0x1f0
>[  507.632563][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.632568][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.632573][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.632578][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.632583][    C0]  ? pollwake+0x74/0xa0
>[  507.632587][    C0]  ? __pfx_default_wake_function+0x10/0x10
>[  507.632593][    C0]  ? aa_file_perm+0x125/0x500
>[  507.632604][    C0]  ? copyout+0x20/0x30
>[  507.632614][    C0]  ? _copy_to_iter+0x58/0x520
>[  507.632622][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  507.632630][    C0]  ? aa_file_perm+0x125/0x500
>[  507.632639][    C0]  ? eventfd_read+0x180/0x1f0
>[  507.632647][    C0]  ? vfs_read+0x230/0x2e0
>[  507.632656][    C0]  ? __x64_sys_poll+0x37/0x140
>[  507.632664][    C0]  __x64_sys_poll+0x37/0x140
>[  507.632672][    C0]  do_syscall_64+0x5b/0x80
>[  507.632681][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.632690][    C0]  ? do_syscall_64+0x67/0x80
>[  507.632697][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.632706][    C0]  ? do_syscall_64+0x67/0x80
>[  507.632713][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.632721][    C0]  ? do_syscall_64+0x67/0x80
>[  507.632729][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.632737][    C0]  ? do_syscall_64+0x67/0x80
>[  507.632745][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.632753][    C0]  ? do_syscall_64+0x67/0x80
>[  507.632761][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.632771][    C0] RIP: 0033:0x7f4f5411f3cf
>[  507.632789][    C0] RSP: 002b:00007f4f513fb490 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  507.632800][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4f5411f3cf
>[  507.632810][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00007f4f3c000b90
>[  507.632819][    C0] RBP: 000055f6e6fc1cf0 R08: 0000000000000000 R09: 0000000000000000
>[  507.632828][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f4f3c000b90
>[  507.632837][    C0] R13: 00000000ffffffff R14: 00007f4f544a8890 R15: 0000000000000003
>[  507.632847][    C0]  </TASK>
>[  507.632854][    C0] task:gsd-wacom       state:S stack:0     pid:1656  tgid:1656  ppid:1581   flags:0x00000002
>[  507.632867][    C0] Call Trace:
>[  507.632872][    C0]  <TASK>
>[  507.632878][    C0]  __schedule+0x381/0x1530
>[  507.632888][    C0]  schedule+0x24/0xb0
>[  507.632897][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.632907][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.632916][    C0]  ? add_wait_queue+0x15/0x80
>[  507.632924][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  507.632934][    C0]  ? unix_poll+0x23/0x100
>[  507.632941][    C0]  do_sys_poll+0x3b3/0x5f0
>[  507.632949][    C0]  ? schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.632961][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  507.632970][    C0]  ? unix_stream_recvmsg+0x88/0x90
>[  507.632978][    C0]  ? __pfx_unix_stream_read_actor+0x10/0x10
>[  507.632990][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.633000][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.633008][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.633019][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  507.633031][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  507.633039][    C0]  ? eventfd_read+0x180/0x1f0
>[  507.633048][    C0]  ? __sys_recvmsg+0x5b/0xa0
>[  507.633056][    C0]  ? __sys_recvmsg+0x8e/0xa0
>[  507.633064][    C0]  ? __x64_sys_poll+0x37/0x140
>[  507.832833][    C0]  ? do_syscall_64+0x67/0x80
>[  507.832850][    C0]  __x64_sys_poll+0x37/0x140
>[  507.832871][    C0]  do_syscall_64+0x5b/0x80
>[  507.832887][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.832894][    C0]  ? do_syscall_64+0x67/0x80
>[  507.832899][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  507.832905][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  507.832913][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.832919][    C0]  ? do_syscall_64+0x67/0x80
>[  507.832924][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.832933][    C0] RIP: 0033:0x7f2f1bb1f3cf
>[  507.832947][    C0] RSP: 002b:00007fff20c80cd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  507.832955][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2f1bb1f3cf
>[  507.832961][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 000055f15f00c910
>[  507.832967][    C0] RBP: 000055f15ef72a30 R08: 0000000000000000 R09: 0000000000000000
>[  507.832973][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055f15f00c910
>[  507.832979][    C0] R13: 00000000ffffffff R14: 00007f2f1c2af890 R15: 0000000000000003
>[  507.832986][    C0]  </TASK>
>[  507.832992][    C0] task:gmain           state:S stack:0     pid:1738  tgid:1656  ppid:1581   flags:0x00000002
>[  507.833002][    C0] Call Trace:
>[  507.833006][    C0]  <TASK>
>[  507.833009][    C0]  __schedule+0x381/0x1530
>[  507.833017][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  507.833025][    C0]  ? __schedule+0x370/0x1530
>[  507.833031][    C0]  schedule+0x24/0xb0
>[  507.833037][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  507.833050][    C0]  ? schedule+0x24/0xb0
>[  507.833059][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  507.833070][    C0]  do_sys_poll+0x3b3/0x5f0
>[  507.833079][    C0]  ? free_pgd_range+0x579/0x770
>[  507.833090][    C0]  ? ___slab_alloc+0x3ef/0x970
>[  507.833099][    C0]  ? prep_new_page+0x193/0x1b0
>[  507.833107][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  507.833117][    C0]  ? __pfx_pollwake+0x10/0x10
>[  507.833125][    C0]  ? pmu_msr_read+0x36/0xd0
>[  507.833134][    C0]  ? xen_extend_mmuext_op+0x20/0xe0
>[  507.833143][    C0]  ? xen_mc_flush+0x87/0x230
>[  507.833152][    C0]  ? xen_load_sp0+0x16a/0x170
>[  507.833161][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  507.833172][    C0]  ? __schedule+0x389/0x1530
>[  507.833182][    C0]  ? aa_file_perm+0x125/0x500
>[  507.833192][    C0]  ? copyout+0x20/0x30
>[  507.833202][    C0]  ? _copy_to_iter+0x58/0x520
>[  507.833212][    C0]  ? futex_wake+0x78/0x160
>[  507.833223][    C0]  ? do_futex+0xfb/0x1b0
>[  507.833231][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  507.833240][    C0]  ? __x64_sys_poll+0x37/0x140
>[  507.833249][    C0]  __x64_sys_poll+0x37/0x140
>[  507.833257][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.833267][    C0]  do_syscall_64+0x5b/0x80
>[  507.833276][    C0]  ? ksys_read+0x66/0xe0
>[  507.833286][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.833295][    C0]  ? do_syscall_64+0x67/0x80
>[  507.833303][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.833312][    C0]  ? do_syscall_64+0x67/0x80
>[  507.833319][    C0]  ? exc_page_fault+0x6e/0x150
>[  507.833328][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.833339][    C0] RIP: 0033:0x7f2f1bb1f3cf
>[  507.833353][    C0] RSP: 002b:00007f2f14dfea50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  507.833364][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2f1bb1f3cf
>[  507.833374][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055f15efa42a0
>[  507.833383][    C0] RBP: 000055f15efa4120 R08: 0000000000000000 R09: 0000000000000000
>[  507.833392][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055f15efa42a0
>[  507.833401][    C0] R13: 00000000ffffffff R14: 00007f2f1c2af890 R15: 0000000000000001
>[  507.833412][    C0]  </TASK>
>[  507.833419][    C0] task:pool-spawner    state:S stack:0     pid:1761  tgid:1656  ppid:1581   flags:0x00000002
>[  507.833432][    C0] Call Trace:
>[  507.833439][    C0]  <TASK>
>[  507.833443][    C0]  __schedule+0x381/0x1530
>[  507.833449][    C0]  ? wakeup_preempt+0x29/0x60
>[  507.833455][    C0]  ? __pfx__raw_spin_lock+0x10/0x10
>[  507.833462][    C0]  schedule+0x24/0xb0
>[  507.833467][    C0]  futex_wait_queue+0x60/0x90
>[  507.833474][    C0]  futex_wait+0x169/0x250
>[  507.833479][    C0]  ? do_futex+0xfb/0x1b0
>[  507.833485][    C0]  do_futex+0x11c/0x1b0
>[  507.833490][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  507.833496][    C0]  ? __set_current_blocked+0x36/0x50
>[  507.833504][    C0]  do_syscall_64+0x5b/0x80
>[  507.833509][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  507.833514][    C0]  ? do_syscall_64+0x67/0x80
>[  507.833519][    C0]  ? exc_page_fault+0x6e/0x150
>[  507.833524][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  507.833531][    C0] RIP: 0033:0x7f2f1bb2b729
>[  507.833538][    C0] RSP: 002b:00007f2f0fffea48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  508.032642][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2f1bb2b729
>[  508.032665][    C0] RDX: 0000000000000002 RSI: 0000000000000080 RDI: 000055f15efec7f0
>[  508.032672][    C0] RBP: 000055f15efec7e0 R08: 0000000000000001 R09: 0000000000000001
>[  508.032678][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2f0ffff648
>[  508.032684][    C0] R13: 0000000000000000 R14: 000055f15efec7f0 R15: 00007f2f0f7ff000
>[  508.032695][    C0]  </TASK>
>[  508.032701][    C0] task:gdbus           state:S stack:0     pid:1765  tgid:1656  ppid:1581   flags:0x00000002
>[  508.032711][    C0] Call Trace:
>[  508.032715][    C0]  <TASK>
>[  508.032718][    C0]  __schedule+0x381/0x1530
>[  508.032729][    C0]  ? _raw_read_lock_irqsave+0x14/0x50
>[  508.032737][    C0]  ? _raw_read_lock_irq+0x30/0x30
>[  508.032743][    C0]  ? ep_poll_callback+0x117/0x2c0
>[  508.032753][    C0]  schedule+0x24/0xb0
>[  508.032759][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  508.032768][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.032775][    C0]  ? add_wait_queue+0x15/0x80
>[  508.032781][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  508.032788][    C0]  ? unix_poll+0x23/0x100
>[  508.032793][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.032800][    C0]  do_sys_poll+0x3b3/0x5f0
>[  508.032808][    C0]  ? update_load_avg+0x217/0x780
>[  508.032815][    C0]  ? place_entity+0xd6/0x120
>[  508.032821][    C0]  ? update_load_avg+0x217/0x780
>[  508.032828][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.032833][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.032839][    C0]  ? pollwake+0x74/0xa0
>[  508.032843][    C0]  ? aa_file_perm+0x125/0x500
>[  508.032850][    C0]  ? __wake_up_common+0x74/0x130
>[  508.032856][    C0]  ? aa_file_perm+0x125/0x500
>[  508.032862][    C0]  ? copyout+0x20/0x30
>[  508.032869][    C0]  ? _copy_to_iter+0x58/0x520
>[  508.032875][    C0]  ? _copy_from_user+0x2b/0x70
>[  508.032883][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  508.032890][    C0]  ? eventfd_read+0x180/0x1f0
>[  508.032897][    C0]  ? vfs_read+0x230/0x2e0
>[  508.032905][    C0]  ? __x64_sys_poll+0x37/0x140
>[  508.032912][    C0]  __x64_sys_poll+0x37/0x140
>[  508.032917][    C0]  do_syscall_64+0x5b/0x80
>[  508.032924][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.032930][    C0]  ? do_syscall_64+0x67/0x80
>[  508.032935][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.032941][    C0]  ? do_syscall_64+0x67/0x80
>[  508.032945][    C0]  ? do_syscall_64+0x67/0x80
>[  508.032950][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  508.032958][    C0] RIP: 0033:0x7f2f1bb1f3cf
>[  508.032972][    C0] RSP: 002b:00007f2f0f7fda50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  508.032980][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2f1bb1f3cf
>[  508.032992][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f2f00000b90
>[  508.033003][    C0] RBP: 000055f15f0161e0 R08: 0000000000000000 R09: 0000000000000000
>[  508.033013][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2f00000b90
>[  508.033023][    C0] R13: 00000000ffffffff R14: 00007f2f1c2af890 R15: 0000000000000002
>[  508.033035][    C0]  </TASK>
>[  508.033043][    C0] task:gsd-color       state:S stack:0     pid:1660  tgid:1660  ppid:1581   flags:0x00000002
>[  508.033056][    C0] Call Trace:
>[  508.033060][    C0]  <TASK>
>[  508.033063][    C0]  __schedule+0x381/0x1530
>[  508.033072][    C0]  schedule+0x24/0xb0
>[  508.033077][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  508.033084][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.033092][    C0]  ? add_wait_queue+0x15/0x80
>[  508.033101][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  508.033110][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.033120][    C0]  ? add_wait_queue+0x15/0x80
>[  508.033128][    C0]  do_sys_poll+0x3b3/0x5f0
>[  508.033136][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.033141][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.033146][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.033151][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.033156][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  508.033166][    C0]  ? _copy_to_iter+0x58/0x520
>[  508.033176][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  508.033185][    C0]  ? __sys_recvmsg+0x8e/0xa0
>[  508.033192][    C0]  ? __x64_sys_poll+0x37/0x140
>[  508.033197][    C0]  __x64_sys_poll+0x37/0x140
>[  508.033202][    C0]  ? do_syscall_64+0x67/0x80
>[  508.033207][    C0]  do_syscall_64+0x5b/0x80
>[  508.033212][    C0]  ? ksys_read+0x66/0xe0
>[  508.033218][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.033224][    C0]  ? do_syscall_64+0x67/0x80
>[  508.033229][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.033238][    C0]  ? do_syscall_64+0x67/0x80
>[  508.033245][    C0]  ? do_syscall_64+0x67/0x80
>[  508.033253][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  508.033261][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  508.033267][    C0] RIP: 0033:0x7f434111f3cf
>[  508.033277][    C0] RSP: 002b:00007fffa4353280 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  508.033284][    C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f434111f3cf
>[  508.033290][    C0] RDX: 00000000ffffffff RSI: 0000000000000004 RDI: 00007f4328000c50
>[  508.033295][    C0] RBP: 0000558d26380a30 R08: 0000000000000000 R09: 0000000000000000
>[  508.033301][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f4328000c50
>[  508.232411][    C0] R13: 00000000ffffffff R14: 00007f4341da8890 R15: 0000000000000004
>[  508.232439][    C0]  </TASK>
>[  508.232445][    C0] task:gmain           state:S stack:0     pid:1748  tgid:1660  ppid:1581   flags:0x00000002
>[  508.232455][    C0] Call Trace:
>[  508.232459][    C0]  <TASK>
>[  508.232463][    C0]  __schedule+0x381/0x1530
>[  508.232476][    C0]  schedule+0x24/0xb0
>[  508.232483][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  508.232490][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.232497][    C0]  ? remove_wait_queue+0x12/0x50
>[  508.232503][    C0]  ? poll_freewait+0x45/0xa0
>[  508.232509][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.232516][    C0]  do_sys_poll+0x3b3/0x5f0
>[  508.232522][    C0]  ? pmu_msr_read+0x36/0xd0
>[  508.232529][    C0]  ? update_load_avg+0x217/0x780
>[  508.232536][    C0]  ? xen_mc_flush+0x87/0x230
>[  508.232543][    C0]  ? xen_load_sp0+0x16a/0x170
>[  508.232548][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  508.232556][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.232561][    C0]  ? aa_file_perm+0x125/0x500
>[  508.232568][    C0]  ? copyout+0x20/0x30
>[  508.232575][    C0]  ? _copy_to_iter+0x58/0x520
>[  508.232581][    C0]  ? schedule+0x24/0xb0
>[  508.232586][    C0]  ? futex_wait_queue+0x60/0x90
>[  508.232593][    C0]  ? eventfd_read+0x180/0x1f0
>[  508.232600][    C0]  ? vfs_read+0x230/0x2e0
>[  508.232606][    C0]  ? futex_wake+0x78/0x160
>[  508.232612][    C0]  ? do_futex+0xfb/0x1b0
>[  508.232617][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  508.232623][    C0]  ? __x64_sys_poll+0x37/0x140
>[  508.232629][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.232635][    C0]  __x64_sys_poll+0x37/0x140
>[  508.232640][    C0]  ? do_syscall_64+0x67/0x80
>[  508.232646][    C0]  do_syscall_64+0x5b/0x80
>[  508.232651][    C0]  ? exc_page_fault+0x6e/0x150
>[  508.232656][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  508.232664][    C0] RIP: 0033:0x7f434111f3cf
>[  508.232678][    C0] RSP: 002b:00007f43393fea50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  508.232690][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f434111f3cf
>[  508.232701][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 0000558d263b22a0
>[  508.232710][    C0] RBP: 0000558d263b2120 R08: 0000000000000000 R09: 0000000000000000
>[  508.232720][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000558d263b22a0
>[  508.232729][    C0] R13: 00000000ffffffff R14: 00007f4341da8890 R15: 0000000000000001
>[  508.232741][    C0]  </TASK>
>[  508.232747][    C0] task:pool-spawner    state:S stack:0     pid:1750  tgid:1660  ppid:1581   flags:0x00000002
>[  508.232760][    C0] Call Trace:
>[  508.232766][    C0]  <TASK>
>[  508.232769][    C0]  __schedule+0x381/0x1530
>[  508.232782][    C0]  schedule+0x24/0xb0
>[  508.232791][    C0]  futex_wait_queue+0x60/0x90
>[  508.232801][    C0]  futex_wait+0x169/0x250
>[  508.232808][    C0]  ? wakeup_preempt+0x29/0x60
>[  508.232814][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  508.232820][    C0]  do_futex+0x11c/0x1b0
>[  508.232825][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  508.232832][    C0]  do_syscall_64+0x5b/0x80
>[  508.232837][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.232843][    C0]  ? do_syscall_64+0x67/0x80
>[  508.232847][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  508.232853][    C0]  ? sigprocmask+0x73/0xa0
>[  508.232858][    C0]  ? __x64_sys_rt_sigprocmask+0x76/0xd0
>[  508.232864][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.232869][    C0]  ? do_syscall_64+0x67/0x80
>[  508.232874][    C0]  ? exc_page_fault+0x6e/0x150
>[  508.232879][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  508.232885][    C0] RIP: 0033:0x7f434112b729
>[  508.232891][    C0] RSP: 002b:00007f4338bfda48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  508.232898][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f434112b729
>[  508.232903][    C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000558d263bc470
>[  508.232909][    C0] RBP: 0000558d263bc460 R08: 0000000000000001 R09: 0000000000000001
>[  508.232914][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4338bfe648
>[  508.232920][    C0] R13: 0000000000000000 R14: 0000558d263bc470 R15: 00007f43383fe000
>[  508.232927][    C0]  </TASK>
>[  508.232930][    C0] task:dconf worker    state:S stack:0     pid:1751  tgid:1660  ppid:1581   flags:0x00000002
>[  508.232938][    C0] Call Trace:
>[  508.232941][    C0]  <TASK>
>[  508.232944][    C0]  __schedule+0x381/0x1530
>[  508.232950][    C0]  ? __pfx__raw_spin_lock+0x10/0x10
>[  508.232956][    C0]  ? remove_wait_queue+0x12/0x50
>[  508.232962][    C0]  schedule+0x24/0xb0
>[  508.232967][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  508.232973][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.232980][    C0]  do_sys_poll+0x3b3/0x5f0
>[  508.232985][    C0]  ? update_load_avg+0x217/0x780
>[  508.232991][    C0]  ? place_entity+0xd6/0x120
>[  508.232997][    C0]  ? update_load_avg+0x217/0x780
>[  508.233002][    C0]  ? update_curr+0x69/0x1f0
>[  508.233008][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.233013][    C0]  ? wakeup_preempt+0x29/0x60
>[  508.233018][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  508.233024][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.433184][    C0]  ? pollwake+0x74/0xa0
>[  508.433200][    C0]  ? __pfx_default_wake_function+0x10/0x10
>[  508.433209][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.433217][    C0]  ? try_to_wake_up+0x29d/0x5e0
>[  508.433224][    C0]  ? pollwake+0x74/0xa0
>[  508.433229][    C0]  ? aa_file_perm+0x125/0x500
>[  508.433238][    C0]  ? copyout+0x20/0x30
>[  508.433251][    C0]  ? _copy_to_iter+0x58/0x520
>[  508.433262][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  508.433272][    C0]  ? eventfd_write+0xc6/0x1e0
>[  508.433281][    C0]  ? eventfd_read+0x180/0x1f0
>[  508.433288][    C0]  ? vfs_read+0x230/0x2e0
>[  508.433297][    C0]  ? xen_clocksource_read+0x18/0x30
>[  508.433308][    C0]  ? __x64_sys_poll+0x37/0x140
>[  508.433316][    C0]  __x64_sys_poll+0x37/0x140
>[  508.433325][    C0]  do_syscall_64+0x5b/0x80
>[  508.433334][    C0]  ? do_syscall_64+0x67/0x80
>[  508.433342][    C0]  ? exc_page_fault+0x6e/0x150
>[  508.433351][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  508.433362][    C0] RIP: 0033:0x7f434111f3cf
>[  508.433381][    C0] RSP: 002b:00007f4333ffea50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  508.433391][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f434111f3cf
>[  508.433400][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f4324000b90
>[  508.433410][    C0] RBP: 0000558d263bfc40 R08: 0000000000000000 R09: 0000000000000000
>[  508.433419][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f4324000b90
>[  508.433427][    C0] R13: 00000000ffffffff R14: 00007f4341da8890 R15: 0000000000000001
>[  508.433438][    C0]  </TASK>
>[  508.433445][    C0] task:gdbus           state:S stack:0     pid:1754  tgid:1660  ppid:1581   flags:0x00000002
>[  508.433460][    C0] Call Trace:
>[  508.433467][    C0]  <TASK>
>[  508.433472][    C0]  __schedule+0x381/0x1530
>[  508.433484][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  508.433495][    C0]  ? __schedule+0x370/0x1530
>[  508.433505][    C0]  schedule+0x24/0xb0
>[  508.433514][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  508.433524][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.433534][    C0]  ? add_wait_queue+0x15/0x80
>[  508.433543][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  508.433555][    C0]  ? unix_poll+0x23/0x100
>[  508.433563][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.433573][    C0]  do_sys_poll+0x3b3/0x5f0
>[  508.433584][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  508.433593][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  508.433604][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.433612][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.433620][    C0]  ? wakeup_preempt+0x29/0x60
>[  508.433629][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  508.433638][    C0]  ? aa_file_perm+0x125/0x500
>[  508.433649][    C0]  ? copyout+0x20/0x30
>[  508.433657][    C0]  ? _copy_to_iter+0x58/0x520
>[  508.433666][    C0]  ? pollwake+0x74/0xa0
>[  508.433674][    C0]  ? eventfd_read+0x180/0x1f0
>[  508.433683][    C0]  ? vfs_read+0x230/0x2e0
>[  508.433692][    C0]  ? __x64_sys_poll+0x37/0x140
>[  508.433700][    C0]  __x64_sys_poll+0x37/0x140
>[  508.433707][    C0]  do_syscall_64+0x5b/0x80
>[  508.433713][    C0]  ? ksys_read+0x66/0xe0
>[  508.433718][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.433724][    C0]  ? do_syscall_64+0x67/0x80
>[  508.433729][    C0]  ? ksys_write+0x66/0xe0
>[  508.433734][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.433740][    C0]  ? do_syscall_64+0x67/0x80
>[  508.433745][    C0]  ? do_syscall_64+0x67/0x80
>[  508.433749][    C0]  ? do_syscall_64+0x67/0x80
>[  508.433755][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  508.433768][    C0] RIP: 0033:0x7f434111f3cf
>[  508.433788][    C0] RSP: 002b:00007f4332ffca50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  508.433797][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f434111f3cf
>[  508.433806][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f431c000b90
>[  508.433815][    C0] RBP: 00007f4324005c40 R08: 0000000000000000 R09: 0000000000000000
>[  508.433822][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f431c000b90
>[  508.433828][    C0] R13: 00000000ffffffff R14: 00007f4341da8890 R15: 0000000000000002
>[  508.433835][    C0]  </TASK>
>[  508.433839][    C0] task:gsd-keyboard    state:S stack:0     pid:1663  tgid:1663  ppid:1581   flags:0x00000002
>[  508.433848][    C0] Call Trace:
>[  508.433851][    C0]  <TASK>
>[  508.433855][    C0]  __schedule+0x381/0x1530
>[  508.634231][    C0]  ? __schedule+0x389/0x1530
>[  508.634254][    C0]  schedule+0x24/0xb0
>[  508.634264][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  508.634277][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.634287][    C0]  ? add_wait_queue+0x15/0x80
>[  508.634296][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  508.634306][    C0]  ? unix_poll+0x23/0x100
>[  508.634316][    C0]  do_sys_poll+0x3b3/0x5f0
>[  508.634329][    C0]  ? remove_wait_queue+0x12/0x50
>[  508.634339][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  508.634348][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  508.634360][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.634371][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.634378][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.634386][    C0]  ? __import_iovec+0x9d/0x200
>[  508.634395][    C0]  ? import_iovec+0x17/0x20
>[  508.634402][    C0]  ? copy_msghdr_from_user+0x72/0xb0
>[  508.634415][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  508.634425][    C0]  ? __x64_sys_poll+0x37/0x140
>[  508.634433][    C0]  __x64_sys_poll+0x37/0x140
>[  508.634442][    C0]  do_syscall_64+0x5b/0x80
>[  508.634452][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.634462][    C0]  ? do_syscall_64+0x67/0x80
>[  508.634481][    C0]  ? do_syscall_64+0x67/0x80
>[  508.634489][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.634498][    C0]  ? do_syscall_64+0x67/0x80
>[  508.634506][    C0]  ? do_syscall_64+0x67/0x80
>[  508.634513][    C0]  ? do_syscall_64+0x67/0x80
>[  508.634520][    C0]  ? exc_page_fault+0x6e/0x150
>[  508.634529][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  508.634540][    C0] RIP: 0033:0x7f2bc831f3cf
>[  508.634559][    C0] RSP: 002b:00007ffc46027000 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  508.634571][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2bc831f3cf
>[  508.634583][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 0000555c51dd7010
>[  508.634593][    C0] RBP: 0000555c51d82a30 R08: 0000000000000000 R09: 0000000000000000
>[  508.634604][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000555c51dd7010
>[  508.634612][    C0] R13: 00000000ffffffff R14: 00007f2bc86da890 R15: 0000000000000003
>[  508.634623][    C0]  </TASK>
>[  508.634630][    C0] task:gmain           state:S stack:0     pid:1744  tgid:1663  ppid:1581   flags:0x00000002
>[  508.634644][    C0] Call Trace:
>[  508.634650][    C0]  <TASK>
>[  508.634655][    C0]  __schedule+0x381/0x1530
>[  508.634666][    C0]  schedule+0x24/0xb0
>[  508.634674][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  508.634685][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  508.634694][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.634704][    C0]  do_sys_poll+0x3b3/0x5f0
>[  508.634713][    C0]  ? __update_load_avg_se+0x2a1/0x320
>[  508.634722][    C0]  ? __update_load_avg_se+0x2a1/0x320
>[  508.634731][    C0]  ? pmu_msr_read+0x36/0xd0
>[  508.634741][    C0]  ? xen_extend_mmuext_op+0x20/0xe0
>[  508.634749][    C0]  ? xen_mc_flush+0x87/0x230
>[  508.634757][    C0]  ? xen_load_sp0+0x16a/0x170
>[  508.634766][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.634773][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  508.634783][    C0]  ? aa_file_perm+0x125/0x500
>[  508.634792][    C0]  ? copyout+0x20/0x30
>[  508.634800][    C0]  ? _copy_to_iter+0x58/0x520
>[  508.634811][    C0]  ? futex_wake+0x78/0x160
>[  508.634821][    C0]  ? do_futex+0xfb/0x1b0
>[  508.634829][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  508.634838][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.634847][    C0]  ? do_syscall_64+0x67/0x80
>[  508.634856][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.634864][    C0]  ? do_syscall_64+0x67/0x80
>[  508.634885][    C0]  ? __x64_sys_poll+0x37/0x140
>[  508.634896][    C0]  __x64_sys_poll+0x37/0x140
>[  508.634905][    C0]  do_syscall_64+0x5b/0x80
>[  508.634913][    C0]  ? exc_page_fault+0x6e/0x150
>[  508.634923][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  508.634935][    C0] RIP: 0033:0x7f2bc831f3cf
>[  508.634949][    C0] RSP: 002b:00007f2bc13fea90 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  508.634959][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc831f3cf
>[  508.634969][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 0000555c51db42a0
>[  508.634977][    C0] RBP: 0000555c51db4120 R08: 0000000000000000 R09: 0000000000000000
>[  508.634986][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000555c51db42a0
>[  508.634994][    C0] R13: 00000000ffffffff R14: 00007f2bc86da890 R15: 0000000000000001
>[  508.635004][    C0]  </TASK>
>[  508.635010][    C0] task:pool-spawner    state:S stack:0     pid:1747  tgid:1663  ppid:1581   flags:0x00000002
>[  508.834026][    C0] Call Trace:
>[  508.834041][    C0]  <TASK>
>[  508.834050][    C0]  __schedule+0x381/0x1530
>[  508.834066][    C0]  ? sched_clock_cpu+0xd/0x190
>[  508.834078][    C0]  schedule+0x24/0xb0
>[  508.834100][    C0]  futex_wait_queue+0x60/0x90
>[  508.834121][    C0]  futex_wait+0x169/0x250
>[  508.834139][    C0]  ? futex_wake+0x78/0x160
>[  508.834149][    C0]  do_futex+0x11c/0x1b0
>[  508.834157][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  508.834174][    C0]  ? do_syscall_64+0x67/0x80
>[  508.834193][    C0]  do_syscall_64+0x5b/0x80
>[  508.834201][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  508.834211][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.834220][    C0]  ? do_syscall_64+0x67/0x80
>[  508.834228][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.834236][    C0]  ? do_syscall_64+0x67/0x80
>[  508.834244][    C0]  ? exc_page_fault+0x6e/0x150
>[  508.834252][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  508.834262][    C0] RIP: 0033:0x7f2bc832b729
>[  508.834278][    C0] RSP: 002b:00007f2bc0bfda88 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  508.834289][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2bc832b729
>[  508.834308][    C0] RDX: 0000000000000002 RSI: 0000000000000080 RDI: 0000555c51dbe030
>[  508.834316][    C0] RBP: 0000555c51dbe020 R08: 0000000000000001 R09: 0000000000000001
>[  508.834325][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2bc0bfe648
>[  508.834334][    C0] R13: 0000000000000000 R14: 0000555c51dbe030 R15: 00007f2bc03fe000
>[  508.834345][    C0]  </TASK>
>[  508.834352][    C0] task:dconf worker    state:S stack:0     pid:1749  tgid:1663  ppid:1581   flags:0x00000002
>[  508.834366][    C0] Call Trace:
>[  508.834371][    C0]  <TASK>
>[  508.834376][    C0]  __schedule+0x381/0x1530
>[  508.834386][    C0]  ? __schedule+0x1470/0x1530
>[  508.834394][    C0]  ? schedule_hrtimeout_range_clock+0x10d/0x120
>[  508.834404][    C0]  schedule+0x24/0xb0
>[  508.834412][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  508.834422][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  508.834431][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.834441][    C0]  do_sys_poll+0x3b3/0x5f0
>[  508.834453][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.834462][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.834469][    C0]  ? aa_file_perm+0x125/0x500
>[  508.834479][    C0]  ? aa_file_perm+0x125/0x500
>[  508.834487][    C0]  ? copyout+0x20/0x30
>[  508.834496][    C0]  ? _copy_to_iter+0x58/0x520
>[  508.834504][    C0]  ? copyout+0x20/0x30
>[  508.834511][    C0]  ? _copy_to_iter+0x58/0x520
>[  508.834520][    C0]  ? __wake_up_common+0x74/0x130
>[  508.834529][    C0]  ? aa_file_perm+0x125/0x500
>[  508.834538][    C0]  ? eventfd_read+0x180/0x1f0
>[  508.834547][    C0]  ? vfs_read+0x230/0x2e0
>[  508.834556][    C0]  ? ksys_read+0x66/0xe0
>[  508.834564][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.834583][    C0]  ? __x64_sys_poll+0x37/0x140
>[  508.834600][    C0]  __x64_sys_poll+0x37/0x140
>[  508.834607][    C0]  ? do_syscall_64+0x67/0x80
>[  508.834615][    C0]  do_syscall_64+0x5b/0x80
>[  508.834623][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  508.834631][    C0]  ? do_syscall_64+0x67/0x80
>[  508.834639][    C0]  ? do_syscall_64+0x67/0x80
>[  508.834646][    C0]  ? exc_page_fault+0x6e/0x150
>[  508.834654][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  508.834663][    C0] RIP: 0033:0x7f2bc831f3cf
>[  508.834675][    C0] RSP: 002b:00007f2bbbffea90 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  508.834685][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc831f3cf
>[  508.834694][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f2bb0000b90
>[  508.834702][    C0] RBP: 0000555c51dc16b0 R08: 0000000000000000 R09: 0000000000000000
>[  508.834710][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2bb0000b90
>[  508.834719][    C0] R13: 00000000ffffffff R14: 00007f2bc86da890 R15: 0000000000000001
>[  508.834730][    C0]  </TASK>
>[  508.834735][    C0] task:gdbus           state:S stack:0     pid:1752  tgid:1663  ppid:1581   flags:0x00000002
>[  508.834747][    C0] Call Trace:
>[  508.834752][    C0]  <TASK>
>[  508.834757][    C0]  __schedule+0x381/0x1530
>[  508.834766][    C0]  ? __schedule+0x370/0x1530
>[  508.834774][    C0]  ? _raw_read_lock_irq+0x30/0x30
>[  508.834783][    C0]  schedule+0x24/0xb0
>[  508.834800][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  508.834809][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  508.834817][    C0]  ? add_wait_queue+0x15/0x80
>[  508.834833][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  508.834842][    C0]  ? unix_poll+0x23/0x100
>[  508.834850][    C0]  do_sys_poll+0x3b3/0x5f0
>[  508.834858][    C0]  ? refill_obj_stock+0xa9/0x120
>[  508.834867][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  508.834874][    C0]  ? mod_objcg_state+0xb7/0x2f0
>[  508.834883][    C0]  ? refill_obj_stock+0xa9/0x120
>[  508.834890][    C0]  ? unix_stream_read_generic+0x824/0xac0
>[  508.834899][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.834906][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.834914][    C0]  ? __pfx_pollwake+0x10/0x10
>[  508.834921][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  508.834930][    C0]  ? aa_file_perm+0x125/0x500
>[  508.834937][    C0]  ? copyout+0x20/0x30
>[  508.834944][    C0]  ? _copy_to_iter+0x58/0x520
>[  509.034001][    C0]  ? wakeup_preempt+0x29/0x60
>[  509.034022][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  509.034042][    C0]  ? aa_file_perm+0x125/0x500
>[  509.034064][    C0]  ? eventfd_read+0x180/0x1f0
>[  509.034087][    C0]  ? vfs_read+0x230/0x2e0
>[  509.034107][    C0]  ? __x64_sys_poll+0x37/0x140
>[  509.034127][    C0]  __x64_sys_poll+0x37/0x140
>[  509.034145][    C0]  ? ksys_read+0x66/0xe0
>[  509.034153][    C0]  do_syscall_64+0x5b/0x80
>[  509.034172][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.034182][    C0]  ? do_syscall_64+0x67/0x80
>[  509.034190][    C0]  ? do_syscall_64+0x67/0x80
>[  509.034198][    C0]  ? ksys_write+0x66/0xe0
>[  509.034207][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.034216][    C0]  ? do_syscall_64+0x67/0x80
>[  509.034223][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.034232][    C0]  ? do_syscall_64+0x67/0x80
>[  509.034239][    C0]  ? do_syscall_64+0x67/0x80
>[  509.034246][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.034254][    C0]  ? do_syscall_64+0x67/0x80
>[  509.034261][    C0]  ? do_syscall_64+0x67/0x80
>[  509.034269][    C0]  ? do_syscall_64+0x67/0x80
>[  509.034276][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.034288][    C0] RIP: 0033:0x7f2bc831f3cf
>[  509.034306][    C0] RSP: 002b:00007f2bbb7fda90 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  509.034319][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2bc831f3cf
>[  509.034328][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00007f2ba8000b90
>[  509.034337][    C0] RBP: 0000555c51dd1500 R08: 0000000000000000 R09: 0000000000000000
>[  509.034346][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2ba8000b90
>[  509.034355][    C0] R13: 00000000ffffffff R14: 00007f2bc86da890 R15: 0000000000000003
>[  509.034366][    C0]  </TASK>
>[  509.034372][    C0] task:gsd-print-notif state:S stack:0     pid:1665  tgid:1665  ppid:1581   flags:0x00000002
>[  509.034386][    C0] Call Trace:
>[  509.034393][    C0]  <TASK>
>[  509.034398][    C0]  __schedule+0x381/0x1530
>[  509.034408][    C0]  ? xen_extend_mmuext_op+0x20/0xe0
>[  509.034417][    C0]  ? timerqueue_add+0x7a/0x90
>[  509.034426][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  509.034437][    C0]  schedule+0x24/0xb0
>[  509.034445][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  509.034455][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  509.034466][    C0]  do_sys_poll+0x3b3/0x5f0
>[  509.034475][    C0]  ? poll_freewait+0x45/0xa0
>[  509.034483][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  509.034492][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.034499][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.034507][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.034514][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.034522][    C0]  ? aa_file_perm+0x125/0x500
>[  509.034532][    C0]  ? copyout+0x20/0x30
>[  509.034540][    C0]  ? _copy_to_iter+0x58/0x520
>[  509.034549][    C0]  ? __pfx_default_wake_function+0x10/0x10
>[  509.034567][    C0]  ? __raw_callee_save_xen_pte_val+0x11/0x30
>[  509.034588][    C0]  ? eventfd_read+0x180/0x1f0
>[  509.034596][    C0]  ? aa_file_perm+0x125/0x500
>[  509.034604][    C0]  ? copyout+0x20/0x30
>[  509.034611][    C0]  ? _copy_to_iter+0x58/0x520
>[  509.034619][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  509.034629][    C0]  ? vfs_read+0x230/0x2e0
>[  509.034646][    C0]  ? xen_clocksource_read+0x18/0x30
>[  509.034655][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  509.034663][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  509.034670][    C0]  __x64_sys_poll+0xa2/0x140
>[  509.034678][    C0]  do_syscall_64+0x5b/0x80
>[  509.034695][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  509.034704][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.034711][    C0]  ? do_syscall_64+0x67/0x80
>[  509.034718][    C0]  ? xen_clocksource_read+0x18/0x30
>[  509.034726][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  509.034733][    C0]  ? _copy_to_user+0x20/0x40
>[  509.034741][    C0]  ? put_timespec64+0x3c/0x70
>[  509.034749][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  509.034757][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.034775][    C0]  ? do_syscall_64+0x67/0x80
>[  509.034782][    C0]  ? exc_page_fault+0x6e/0x150
>[  509.034789][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.034798][    C0] RIP: 0033:0x7fd3dbd1f3cf
>[  509.034809][    C0] RSP: 002b:00007ffc381ebfd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  509.034819][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd3dbd1f3cf
>[  509.233798][    C0] RDX: 000000000031619f RSI: 0000000000000001 RDI: 000056468f316880
>[  509.233812][    C0] RBP: 000056468f301d00 R08: 0000000000000000 R09: 0000000000000000
>[  509.233818][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000056468f316880
>[  509.233824][    C0] R13: 000000000031619f R14: 00007fd3dbf41890 R15: 0000000000000001
>[  509.233835][    C0]  </TASK>
>[  509.233841][    C0] task:gmain           state:S stack:0     pid:1759  tgid:1665  ppid:1581   flags:0x00000002
>[  509.233851][    C0] Call Trace:
>[  509.233856][    C0]  <TASK>
>[  509.233859][    C0]  __schedule+0x381/0x1530
>[  509.233872][    C0]  schedule+0x24/0xb0
>[  509.233878][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  509.233886][    C0]  ? mas_wr_node_store+0x296/0x590
>[  509.233895][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  509.233903][    C0]  do_sys_poll+0x3b3/0x5f0
>[  509.233910][    C0]  ? __raw_callee_save_xen_pud_val+0x11/0x30
>[  509.233920][    C0]  ? __raw_callee_save_xen_pmd_val+0x11/0x30
>[  509.233928][    C0]  ? prep_new_page+0x193/0x1b0
>[  509.233934][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  509.233941][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.233948][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  509.233956][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  509.233962][    C0]  ? xen_set_pte+0x90/0x2b0
>[  509.233968][    C0]  ? set_pte_at+0x15/0x30
>[  509.233974][    C0]  ? do_pte_missing+0x426/0x7f0
>[  509.233979][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  509.233985][    C0]  ? __x64_sys_poll+0x37/0x140
>[  509.233990][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  509.233996][    C0]  __x64_sys_poll+0x37/0x140
>[  509.234002][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  509.234006][    C0]  do_syscall_64+0x5b/0x80
>[  509.234013][    C0]  ? do_user_addr_fault+0x267/0x890
>[  509.234020][    C0]  ? exc_page_fault+0x6e/0x150
>[  509.234026][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.234033][    C0] RIP: 0033:0x7fd3dbd1f3cf
>[  509.234048][    C0] RSP: 002b:00007fd3d8bfea10 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  509.234055][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd3dbd1f3cf
>[  509.234061][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000056468f2c1000
>[  509.234067][    C0] RBP: 000056468f301f70 R08: 0000000000000000 R09: 0000000000000000
>[  509.234072][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000056468f2c1000
>[  509.234079][    C0] R13: 00000000ffffffff R14: 00007fd3dbf41890 R15: 0000000000000001
>[  509.234085][    C0]  </TASK>
>[  509.234089][    C0] task:pool-spawner    state:S stack:0     pid:1760  tgid:1665  ppid:1581   flags:0x00000002
>[  509.234098][    C0] Call Trace:
>[  509.234101][    C0]  <TASK>
>[  509.234105][    C0]  __schedule+0x381/0x1530
>[  509.234111][    C0]  ? reweight_entity+0x155/0x170
>[  509.234119][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  509.234126][    C0]  schedule+0x24/0xb0
>[  509.234131][    C0]  futex_wait_queue+0x60/0x90
>[  509.234139][    C0]  futex_wait+0x169/0x250
>[  509.234145][    C0]  do_futex+0x11c/0x1b0
>[  509.234151][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  509.234157][    C0]  ? do_futex+0xfb/0x1b0
>[  509.234163][    C0]  do_syscall_64+0x5b/0x80
>[  509.234174][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.234187][    C0]  ? do_syscall_64+0x67/0x80
>[  509.234196][    C0]  ? exc_page_fault+0x6e/0x150
>[  509.234204][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.234214][    C0] RIP: 0033:0x7fd3dbd2b729
>[  509.234225][    C0] RSP: 002b:00007fd3d83fda08 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  509.234234][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd3dbd2b729
>[  509.234244][    C0] RDX: 0000000000000002 RSI: 0000000000000080 RDI: 000056468f307b50
>[  509.234252][    C0] RBP: 000056468f307b40 R08: 0000000000000001 R09: 0000000000000001
>[  509.234262][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd3d83fe648
>[  509.234271][    C0] R13: 0000000000000000 R14: 000056468f307b50 R15: 00007fd3d7bfe000
>[  509.234281][    C0]  </TASK>
>[  509.234286][    C0] task:gdbus           state:S stack:0     pid:1764  tgid:1665  ppid:1581   flags:0x00000002
>[  509.234300][    C0] Call Trace:
>[  509.234305][    C0]  <TASK>
>[  509.234311][    C0]  __schedule+0x381/0x1530
>[  509.234321][    C0]  ? __pfx__raw_spin_lock+0x10/0x10
>[  509.234330][    C0]  ? __pfx__raw_spin_lock+0x10/0x10
>[  509.234340][    C0]  schedule+0x24/0xb0
>[  509.234348][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  509.234359][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  509.234368][    C0]  ? add_wait_queue+0x15/0x80
>[  509.234376][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  509.234387][    C0]  ? unix_poll+0x23/0x100
>[  509.234395][    C0]  do_sys_poll+0x3b3/0x5f0
>[  509.234405][    C0]  ? update_load_avg+0x217/0x780
>[  509.234425][    C0]  ? update_load_avg+0x217/0x780
>[  509.234442][    C0]  ? update_load_avg+0x217/0x780
>[  509.234450][    C0]  ? update_curr+0x69/0x1f0
>[  509.234458][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.234463][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.234468][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.234476][    C0]  ? eventfd_read+0x180/0x1f0
>[  509.234484][    C0]  ? vfs_read+0x230/0x2e0
>[  509.234502][    C0]  ? ksys_read+0x66/0xe0
>[  509.234508][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.234513][    C0]  ? do_syscall_64+0x67/0x80
>[  509.234518][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.234523][    C0]  ? do_syscall_64+0x67/0x80
>[  509.234528][    C0]  ? __x64_sys_poll+0x37/0x140
>[  509.234533][    C0]  __x64_sys_poll+0x37/0x140
>[  509.234538][    C0]  ? __x64_sys_poll+0x37/0x140
>[  509.234543][    C0]  do_syscall_64+0x5b/0x80
>[  509.234547][    C0]  ? do_syscall_64+0x67/0x80
>[  509.234552][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.234557][    C0]  ? do_syscall_64+0x67/0x80
>[  509.234562][    C0]  ? do_syscall_64+0x67/0x80
>[  509.234566][    C0]  ? do_syscall_64+0x67/0x80
>[  509.234571][    C0]  ? exc_page_fault+0x6e/0x150
>[  509.234576][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.234582][    C0] RIP: 0033:0x7fd3dbd1f3cf
>[  509.234589][    C0] RSP: 002b:00007fd3d7bfca10 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  509.433604][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd3dbd1f3cf
>[  509.433622][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00007fd3cc000b90
>[  509.433632][    C0] RBP: 000056468f312c50 R08: 0000000000000000 R09: 0000000000000000
>[  509.433641][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd3cc000b90
>[  509.433651][    C0] R13: 00000000ffffffff R14: 00007fd3dbf41890 R15: 0000000000000003
>[  509.433666][    C0]  </TASK>
>[  509.433674][    C0] task:gsd-rfkill      state:S stack:0     pid:1671  tgid:1671  ppid:1581   flags:0x00000002
>[  509.433689][    C0] Call Trace:
>[  509.433695][    C0]  <TASK>
>[  509.433701][    C0]  __schedule+0x381/0x1530
>[  509.433715][    C0]  ? check_preempt_wakeup_fair+0x12a/0x2c0
>[  509.433730][    C0]  schedule+0x24/0xb0
>[  509.433738][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  509.433749][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  509.433759][    C0]  ? add_wait_queue+0x15/0x80
>[  509.433767][    C0]  do_sys_poll+0x3b3/0x5f0
>[  509.433777][    C0]  ? __wake_up_common+0x74/0x130
>[  509.433786][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  509.433796][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  509.433805][    C0]  ? _prb_read_valid+0x212/0x290
>[  509.433814][    C0]  ? _prb_read_valid+0x212/0x290
>[  509.433823][    C0]  ? prb_read_valid+0x17/0x20
>[  509.433833][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.433842][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.433850][    C0]  ? _prb_read_valid+0x212/0x290
>[  509.433860][    C0]  ? pmu_msr_read+0x36/0xd0
>[  509.433869][    C0]  ? xen_extend_mmuext_op+0x20/0xe0
>[  509.433878][    C0]  ? xen_mc_flush+0x87/0x230
>[  509.433886][    C0]  ? xen_load_sp0+0x16a/0x170
>[  509.433896][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  509.433906][    C0]  ? __schedule+0x389/0x1530
>[  509.433915][    C0]  ? _printk+0x52/0x80
>[  509.433923][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  509.433935][    C0]  ? __x64_sys_poll+0x37/0x140
>[  509.433942][    C0]  __x64_sys_poll+0x37/0x140
>[  509.433950][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.433960][    C0]  do_syscall_64+0x5b/0x80
>[  509.433970][    C0]  ? ksys_read+0x66/0xe0
>[  509.433978][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.433986][    C0]  ? do_syscall_64+0x67/0x80
>[  509.433994][    C0]  ? do_syscall_64+0x67/0x80
>[  509.434001][    C0]  ? do_syscall_64+0x67/0x80
>[  509.434008][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.434019][    C0] RIP: 0033:0x7f7a9bb1f3cf
>[  509.434035][    C0] RSP: 002b:00007ffe99bd28d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  509.434046][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7a9bb1f3cf
>[  509.434055][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00005623a5fdbf10
>[  509.434063][    C0] RBP: 00005623a5fbcd00 R08: 0000000000000000 R09: 0000000000000000
>[  509.434072][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00005623a5fdbf10
>[  509.434081][    C0] R13: 00000000ffffffff R14: 00007f7a9c0f5890 R15: 0000000000000002
>[  509.434091][    C0]  </TASK>
>[  509.434096][    C0] task:gmain           state:S stack:0     pid:1678  tgid:1671  ppid:1581   flags:0x00000002
>[  509.434108][    C0] Call Trace:
>[  509.434113][    C0]  <TASK>
>[  509.434118][    C0]  __schedule+0x381/0x1530
>[  509.434127][    C0]  ? __schedule+0x389/0x1530
>[  509.434135][    C0]  schedule+0x24/0xb0
>[  509.434143][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  509.434152][    C0]  ? schedule+0x24/0xb0
>[  509.434159][    C0]  ? schedule_hrtimeout_range_clock+0x10d/0x120
>[  509.434168][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  509.434177][    C0]  do_sys_poll+0x3b3/0x5f0
>[  509.434187][    C0]  ? ___slab_alloc+0x3ef/0x970
>[  509.434195][    C0]  ? mas_alloc_nodes+0xf6/0x200
>[  509.434205][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.434213][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.434222][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  509.434232][    C0]  ? aa_file_perm+0x125/0x500
>[  509.434241][    C0]  ? xen_set_pte+0x90/0x2b0
>[  509.434248][    C0]  ? copyout+0x20/0x30
>[  509.434256][    C0]  ? _copy_to_iter+0x58/0x520
>[  509.434264][    C0]  ? set_pte_at+0x15/0x30
>[  509.434273][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  509.434281][    C0]  ? do_pte_missing+0x426/0x7f0
>[  509.434289][    C0]  ? __x64_sys_poll+0x37/0x140
>[  509.434296][    C0]  __x64_sys_poll+0x37/0x140
>[  509.434304][    C0]  do_syscall_64+0x5b/0x80
>[  509.434312][    C0]  ? vfs_read+0x230/0x2e0
>[  509.633384][    C0]  ? ksys_read+0x66/0xe0
>[  509.633406][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.633416][    C0]  ? do_syscall_64+0x67/0x80
>[  509.633425][    C0]  ? exc_page_fault+0x6e/0x150
>[  509.633433][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.633445][    C0] RIP: 0033:0x7f7a9bb1f3cf
>[  509.633463][    C0] RSP: 002b:00007f7a9b1fecd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  509.633475][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7a9bb1f3cf
>[  509.633484][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00005623a5fbd1e0
>[  509.633493][    C0] RBP: 00005623a5fbcfb0 R08: 0000000000000000 R09: 0000000000000000
>[  509.633502][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00005623a5fbd1e0
>[  509.633511][    C0] R13: 00000000ffffffff R14: 00007f7a9c0f5890 R15: 0000000000000001
>[  509.633522][    C0]  </TASK>
>[  509.633528][    C0] task:pool-spawner    state:S stack:0     pid:1692  tgid:1671  ppid:1581   flags:0x00000002
>[  509.633543][    C0] Call Trace:
>[  509.633548][    C0]  <TASK>
>[  509.633553][    C0]  __schedule+0x381/0x1530
>[  509.633563][    C0]  ? update_load_avg+0x217/0x780
>[  509.633573][    C0]  ? update_load_avg+0x217/0x780
>[  509.633581][    C0]  ? update_curr+0x69/0x1f0
>[  509.633590][    C0]  schedule+0x24/0xb0
>[  509.633598][    C0]  futex_wait_queue+0x60/0x90
>[  509.633608][    C0]  futex_wait+0x169/0x250
>[  509.633616][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  509.633624][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  509.633633][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  509.633642][    C0]  do_futex+0x11c/0x1b0
>[  509.633650][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  509.633659][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  509.633667][    C0]  ? __x64_sys_rt_sigprocmask+0x76/0xd0
>[  509.633676][    C0]  do_syscall_64+0x5b/0x80
>[  509.633683][    C0]  ? do_syscall_64+0x67/0x80
>[  509.633691][    C0]  ? exc_page_fault+0x6e/0x150
>[  509.633699][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.633708][    C0] RIP: 0033:0x7f7a9bb2b729
>[  509.633716][    C0] RSP: 002b:00007f7a9a9fdcc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  509.633726][    C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7a9bb2b729
>[  509.633734][    C0] RDX: 0000000000000004 RSI: 0000000000000080 RDI: 00005623a5fc3c40
>[  509.633743][    C0] RBP: 00005623a5fc3c30 R08: 0000000000000001 R09: 0000000000000001
>[  509.633752][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7a9a9fe648
>[  509.633761][    C0] R13: 0000000000000000 R14: 00005623a5fc3c40 R15: 00007f7a9a1fe000
>[  509.633771][    C0]  </TASK>
>[  509.633777][    C0] task:gdbus           state:S stack:0     pid:1693  tgid:1671  ppid:1581   flags:0x00000002
>[  509.633789][    C0] Call Trace:
>[  509.633794][    C0]  <TASK>
>[  509.633799][    C0]  __schedule+0x381/0x1530
>[  509.633807][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  509.633816][    C0]  ? poll_freewait+0x45/0xa0
>[  509.633824][    C0]  schedule+0x24/0xb0
>[  509.633832][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  509.633841][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  509.633850][    C0]  ? add_wait_queue+0x15/0x80
>[  509.633857][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  509.633866][    C0]  ? unix_poll+0x23/0x100
>[  509.633885][    C0]  do_sys_poll+0x3b3/0x5f0
>[  509.633895][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.633903][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.633910][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.633918][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.633925][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.633932][    C0]  ? _copy_from_user+0x2b/0x70
>[  509.633942][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  509.633951][    C0]  ? eventfd_write+0xc6/0x1e0
>[  509.633960][    C0]  ? eventfd_read+0x180/0x1f0
>[  509.633967][    C0]  ? vfs_write+0xc5/0x380
>[  509.633975][    C0]  ? vfs_read+0x230/0x2e0
>[  509.633983][    C0]  ? ksys_read+0x66/0xe0
>[  509.633990][    C0]  ? __x64_sys_poll+0x37/0x140
>[  509.633998][    C0]  __x64_sys_poll+0x37/0x140
>[  509.634005][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.634023][    C0]  do_syscall_64+0x5b/0x80
>[  509.634030][    C0]  ? do_syscall_64+0x67/0x80
>[  509.634037][    C0]  ? do_syscall_64+0x67/0x80
>[  509.634044][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.634052][    C0] RIP: 0033:0x7f7a9bb1f3cf
>[  509.634060][    C0] RSP: 002b:00007f7a9a1fccd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  509.634079][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7a9bb1f3cf
>[  509.634087][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00007f7a90000b90
>[  509.634106][    C0] RBP: 00005623a5fd0a00 R08: 0000000000000000 R09: 0000000000000000
>[  509.634114][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f7a90000b90
>[  509.834089][    C0] R13: 00000000ffffffff R14: 00007f7a9c0f5890 R15: 0000000000000003
>[  509.834107][    C0]  </TASK>
>[  509.834113][    C0] task:gsd-smartcard   state:S stack:0     pid:1672  tgid:1672  ppid:1581   flags:0x00000002
>[  509.834124][    C0] Call Trace:
>[  509.834128][    C0]  <TASK>
>[  509.834132][    C0]  __schedule+0x381/0x1530
>[  509.834143][    C0]  ? __schedule+0x389/0x1530
>[  509.834150][    C0]  schedule+0x24/0xb0
>[  509.834156][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  509.834163][    C0]  ? schedule+0x24/0xb0
>[  509.834168][    C0]  ? schedule_hrtimeout_range_clock+0x10d/0x120
>[  509.834175][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  509.834182][    C0]  do_sys_poll+0x3b3/0x5f0
>[  509.834190][    C0]  ? update_load_avg+0x217/0x780
>[  509.834198][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.834204][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.834209][    C0]  ? aa_file_perm+0x125/0x500
>[  509.834217][    C0]  ? copyout+0x20/0x30
>[  509.834224][    C0]  ? copyout+0x20/0x30
>[  509.834230][    C0]  ? _copy_to_iter+0x58/0x520
>[  509.834236][    C0]  ? copyout+0x20/0x30
>[  509.834241][    C0]  ? _copy_to_iter+0x58/0x520
>[  509.834247][    C0]  ? aa_file_perm+0x125/0x500
>[  509.834253][    C0]  ? aa_file_perm+0x125/0x500
>[  509.834258][    C0]  ? aa_file_perm+0x125/0x500
>[  509.834264][    C0]  ? copyout+0x20/0x30
>[  509.834270][    C0]  ? _copy_to_iter+0x58/0x520
>[  509.834276][    C0]  ? eventfd_read+0x180/0x1f0
>[  509.834282][    C0]  ? eventfd_read+0x180/0x1f0
>[  509.834288][    C0]  ? vfs_read+0x230/0x2e0
>[  509.834294][    C0]  ? __x64_sys_poll+0x37/0x140
>[  509.834300][    C0]  __x64_sys_poll+0x37/0x140
>[  509.834305][    C0]  do_syscall_64+0x5b/0x80
>[  509.834316][    C0]  ? do_syscall_64+0x67/0x80
>[  509.834326][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.834336][    C0]  ? do_syscall_64+0x67/0x80
>[  509.834344][    C0]  ? do_syscall_64+0x67/0x80
>[  509.834352][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.834361][    C0]  ? do_syscall_64+0x67/0x80
>[  509.834365][    C0]  ? do_syscall_64+0x67/0x80
>[  509.834371][    C0]  ? exc_page_fault+0x6e/0x150
>[  509.834380][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.834393][    C0] RIP: 0033:0x7f56a0d1f3cf
>[  509.834413][    C0] RSP: 002b:00007ffe94997120 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  509.834424][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f56a0d1f3cf
>[  509.834433][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055a9caa92330
>[  509.834443][    C0] RBP: 000055a9caa79df0 R08: 0000000000000000 R09: 0000000000000000
>[  509.834452][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055a9caa92330
>[  509.834459][    C0] R13: 00000000ffffffff R14: 00007f56a1160890 R15: 0000000000000001
>[  509.834471][    C0]  </TASK>
>[  509.834477][    C0] task:gmain           state:S stack:0     pid:1685  tgid:1672  ppid:1581   flags:0x00000002
>[  509.834518][    C0] Call Trace:
>[  509.834524][    C0]  <TASK>
>[  509.834535][    C0]  __schedule+0x381/0x1530
>[  509.834545][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  509.834554][    C0]  ? poll_freewait+0x45/0xa0
>[  509.834562][    C0]  schedule+0x24/0xb0
>[  509.834570][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  509.834579][    C0]  ? mas_wr_node_store+0x296/0x590
>[  509.834590][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  509.834602][    C0]  do_sys_poll+0x3b3/0x5f0
>[  509.834614][    C0]  ? free_pgd_range+0x579/0x770
>[  509.834627][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  509.834639][    C0]  ? prep_new_page+0x193/0x1b0
>[  509.834650][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.834663][    C0]  ? __pfx_pollwake+0x10/0x10
>[  509.834675][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  509.834685][    C0]  ? eventfd_read+0x180/0x1f0
>[  509.834697][    C0]  ? vfs_read+0x230/0x2e0
>[  509.834710][    C0]  ? ksys_read+0x66/0xe0
>[  509.834719][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.834728][    C0]  ? do_syscall_64+0x67/0x80
>[  509.834736][    C0]  ? do_syscall_64+0x67/0x80
>[  509.834744][    C0]  ? __count_memcg_events+0x46/0x90
>[  509.834753][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  509.834763][    C0]  ? __x64_sys_poll+0x37/0x140
>[  509.834770][    C0]  ? do_user_addr_fault+0x267/0x890
>[  509.834785][    C0]  __x64_sys_poll+0x37/0x140
>[  509.834794][    C0]  do_syscall_64+0x5b/0x80
>[  509.834802][    C0]  ? exc_page_fault+0x6e/0x150
>[  509.834808][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.834821][    C0] RIP: 0033:0x7f56a0d1f3cf
>[  509.834839][    C0] RSP: 002b:00007f56a03feb50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  509.834853][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f56a0d1f3cf
>[  509.834863][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055a9caa7a2d0
>[  509.834871][    C0] RBP: 000055a9caa7a0a0 R08: 0000000000000000 R09: 0000000000000000
>[  509.834881][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055a9caa7a2d0
>[  509.834892][    C0] R13: 00000000ffffffff R14: 00007f56a1160890 R15: 0000000000000001
>[  509.834904][    C0]  </TASK>
>[  509.834910][    C0] task:pool-spawner    state:S stack:0     pid:1695  tgid:1672  ppid:1581   flags:0x00000002
>[  509.834923][    C0] Call Trace:
>[  509.834928][    C0]  <TASK>
>[  509.834934][    C0]  __schedule+0x381/0x1530
>[  509.834942][    C0]  ? update_load_avg+0x217/0x780
>[  509.834956][    C0]  ? update_curr+0x69/0x1f0
>[  509.834965][    C0]  ? reweight_entity+0x155/0x170
>[  509.834975][    C0]  schedule+0x24/0xb0
>[  509.834983][    C0]  futex_wait_queue+0x60/0x90
>[  509.834994][    C0]  futex_wait+0x169/0x250
>[  509.835002][    C0]  ? kernel_clone+0x124/0x3d0
>[  509.835014][    C0]  do_futex+0x11c/0x1b0
>[  509.835022][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  509.835032][    C0]  do_syscall_64+0x5b/0x80
>[  509.835040][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.835049][    C0]  ? do_syscall_64+0x67/0x80
>[  509.835054][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  509.835060][    C0]  ? do_syscall_64+0x67/0x80
>[  509.835065][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  509.835071][    C0] RIP: 0033:0x7f56a0d2b729
>[  509.835077][    C0] RSP: 002b:00007f569fbfdb48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  509.835084][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f56a0d2b729
>[  509.835090][    C0] RDX: 0000000000000002 RSI: 0000000000000080 RDI: 000055a9caa7ae00
>[  509.835095][    C0] RBP: 000055a9caa7adf0 R08: 0000000000000001 R09: 0000000000000001
>[  510.035128][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f569fbfe440
>[  510.035141][    C0] R13: 0000000000000000 R14: 000055a9caa7ae00 R15: 00007f569f3fe000
>[  510.035152][    C0]  </TASK>
>[  510.035158][    C0] task:gdbus           state:S stack:0     pid:1696  tgid:1672  ppid:1581   flags:0x00000002
>[  510.035168][    C0] Call Trace:
>[  510.035172][    C0]  <TASK>
>[  510.035175][    C0]  __schedule+0x381/0x1530
>[  510.035185][    C0]  ? __schedule+0x370/0x1530
>[  510.035191][    C0]  ? ep_poll_callback+0x117/0x2c0
>[  510.035200][    C0]  schedule+0x24/0xb0
>[  510.035205][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  510.035213][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.035219][    C0]  ? add_wait_queue+0x15/0x80
>[  510.035225][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  510.035232][    C0]  ? unix_poll+0x23/0x100
>[  510.035237][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.035243][    C0]  do_sys_poll+0x3b3/0x5f0
>[  510.035251][    C0]  ? unix_stream_read_generic+0x824/0xac0
>[  510.035258][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.035263][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.035268][    C0]  ? wakeup_preempt+0x29/0x60
>[  510.035275][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  510.035280][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  510.035285][    C0]  ? aa_file_perm+0x125/0x500
>[  510.035292][    C0]  ? pollwake+0x74/0xa0
>[  510.035296][    C0]  ? __pfx_default_wake_function+0x10/0x10
>[  510.035302][    C0]  ? aa_file_perm+0x125/0x500
>[  510.035308][    C0]  ? copyout+0x20/0x30
>[  510.035314][    C0]  ? _copy_to_iter+0x58/0x520
>[  510.035320][    C0]  ? _copy_from_user+0x2b/0x70
>[  510.035326][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  510.035332][    C0]  ? eventfd_write+0xc6/0x1e0
>[  510.035337][    C0]  ? eventfd_read+0x180/0x1f0
>[  510.035343][    C0]  ? __x64_sys_poll+0x37/0x140
>[  510.035348][    C0]  __x64_sys_poll+0x37/0x140
>[  510.035353][    C0]  do_syscall_64+0x5b/0x80
>[  510.035359][    C0]  ? ksys_read+0x66/0xe0
>[  510.035367][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.035373][    C0]  ? do_syscall_64+0x67/0x80
>[  510.035377][    C0]  ? do_syscall_64+0x67/0x80
>[  510.035382][    C0]  ? do_syscall_64+0x67/0x80
>[  510.035387][    C0]  ? exc_page_fault+0x6e/0x150
>[  510.035393][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.035400][    C0] RIP: 0033:0x7f56a0d1f3cf
>[  510.035413][    C0] RSP: 002b:00007f569f3fcb50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  510.035420][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f56a0d1f3cf
>[  510.035426][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f5694000b90
>[  510.035432][    C0] RBP: 000055a9caa8dee0 R08: 0000000000000000 R09: 0000000000000000
>[  510.035438][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f5694000b90
>[  510.035444][    C0] R13: 00000000ffffffff R14: 00007f56a1160890 R15: 0000000000000002
>[  510.035450][    C0]  </TASK>
>[  510.035454][    C0] task:dconf worker    state:S stack:0     pid:1719  tgid:1672  ppid:1581   flags:0x00000002
>[  510.035462][    C0] Call Trace:
>[  510.035465][    C0]  <TASK>
>[  510.035468][    C0]  __schedule+0x381/0x1530
>[  510.035475][    C0]  ? __schedule+0x389/0x1530
>[  510.035481][    C0]  schedule+0x24/0xb0
>[  510.035486][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  510.035493][    C0]  ? schedule_hrtimeout_range_clock+0xb0/0x120
>[  510.035499][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.035505][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.035511][    C0]  do_sys_poll+0x3b3/0x5f0
>[  510.035517][    C0]  ? ___slab_alloc+0x3ef/0x970
>[  510.035524][    C0]  ? update_load_avg+0x217/0x780
>[  510.035531][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.035537][    C0]  ? xen_make_pte+0x16/0x20
>[  510.035549][    C0]  ? __raw_callee_save_xen_make_pte+0x11/0x30
>[  510.035562][    C0]  ? percpu_counter_add_batch+0x4d/0x80
>[  510.035571][    C0]  ? xen_set_pte+0x90/0x2b0
>[  510.035579][    C0]  ? filemap_map_pages+0x14b/0x620
>[  510.035589][    C0]  ? do_pte_missing+0x6a2/0x7f0
>[  510.035597][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  510.035607][    C0]  ? __x64_sys_poll+0x37/0x140
>[  510.035615][    C0]  __x64_sys_poll+0x37/0x140
>[  510.035620][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  510.035627][    C0]  do_syscall_64+0x5b/0x80
>[  510.035636][    C0]  ? do_user_addr_fault+0x267/0x890
>[  510.035646][    C0]  ? exc_page_fault+0x6e/0x150
>[  510.035653][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.035663][    C0] RIP: 0033:0x7f56a0d1f3cf
>[  510.035671][    C0] RSP: 002b:00007f569e3fab50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  510.035682][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f56a0d1f3cf
>[  510.035691][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f568c000b90
>[  510.035696][    C0] RBP: 000055a9caa9c990 R08: 0000000000000000 R09: 0000000000000000
>[  510.035702][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f568c000b90
>[  510.035708][    C0] R13: 00000000ffffffff R14: 00007f56a1160890 R15: 0000000000000001
>[  510.035714][    C0]  </TASK>
>[  510.035718][    C0] task:gsd-datetime    state:S stack:0     pid:1675  tgid:1675  ppid:1581   flags:0x00000002
>[  510.035726][    C0] Call Trace:
>[  510.035730][    C0]  <TASK>
>[  510.035733][    C0]  __schedule+0x381/0x1530
>[  510.035739][    C0]  ? __schedule+0x389/0x1530
>[  510.035745][    C0]  schedule+0x24/0xb0
>[  510.035750][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  510.035757][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.035766][    C0]  do_sys_poll+0x3b3/0x5f0
>[  510.035772][    C0]  ? remove_wait_queue+0x12/0x50
>[  510.035780][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.235872][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.235895][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.235900][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.235905][    C0]  ? aa_file_perm+0x125/0x500
>[  510.235912][    C0]  ? copyout+0x20/0x30
>[  510.235920][    C0]  ? _copy_to_iter+0x58/0x520
>[  510.235926][    C0]  ? aa_file_perm+0x125/0x500
>[  510.235931][    C0]  ? copyout+0x20/0x30
>[  510.235936][    C0]  ? copyout+0x20/0x30
>[  510.235941][    C0]  ? _copy_to_iter+0x58/0x520
>[  510.235957][    C0]  ? eventfd_read+0x180/0x1f0
>[  510.235973][    C0]  ? eventfd_read+0x180/0x1f0
>[  510.235978][    C0]  ? copyout+0x20/0x30
>[  510.235983][    C0]  ? vfs_read+0x230/0x2e0
>[  510.236000][    C0]  ? __x64_sys_poll+0x37/0x140
>[  510.236005][    C0]  __x64_sys_poll+0x37/0x140
>[  510.236020][    C0]  do_syscall_64+0x5b/0x80
>[  510.236027][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.236033][    C0]  ? do_syscall_64+0x67/0x80
>[  510.236038][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.236044][    C0]  ? do_syscall_64+0x67/0x80
>[  510.236049][    C0]  ? ksys_read+0x66/0xe0
>[  510.236054][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.236059][    C0]  ? do_syscall_64+0x67/0x80
>[  510.236064][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.236069][    C0]  ? do_syscall_64+0x67/0x80
>[  510.236076][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.236090][    C0] RIP: 0033:0x7f6047d1f3cf
>[  510.236106][    C0] RSP: 002b:00007ffc286bd940 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  510.236118][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6047d1f3cf
>[  510.236124][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055f3482a4c40
>[  510.236130][    C0] RBP: 000055f34827fe20 R08: 0000000000000000 R09: 0000000000000000
>[  510.236136][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055f3482a4c40
>[  510.236144][    C0] R13: 00000000ffffffff R14: 00007f6048028890 R15: 0000000000000001
>[  510.236155][    C0]  </TASK>
>[  510.236163][    C0] task:gmain           state:S stack:0     pid:1731  tgid:1675  ppid:1581   flags:0x00000002
>[  510.236173][    C0] Call Trace:
>[  510.236178][    C0]  <TASK>
>[  510.236183][    C0]  __schedule+0x381/0x1530
>[  510.236197][    C0]  schedule+0x24/0xb0
>[  510.236206][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  510.236216][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.236226][    C0]  do_sys_poll+0x3b3/0x5f0
>[  510.236235][    C0]  ? prep_new_page+0x193/0x1b0
>[  510.236244][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  510.236254][    C0]  ? prep_new_page+0x193/0x1b0
>[  510.236263][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.236272][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  510.236282][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  510.236291][    C0]  ? xen_set_pte+0x90/0x2b0
>[  510.236325][    C0]  ? set_pte_at+0x15/0x30
>[  510.236335][    C0]  ? do_pte_missing+0x426/0x7f0
>[  510.236343][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  510.236351][    C0]  ? __x64_sys_poll+0x37/0x140
>[  510.236359][    C0]  __x64_sys_poll+0x37/0x140
>[  510.236367][    C0]  do_syscall_64+0x5b/0x80
>[  510.236374][    C0]  ? exc_page_fault+0x6e/0x150
>[  510.236383][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.236392][    C0] RIP: 0033:0x7f6047d1f3cf
>[  510.236404][    C0] RSP: 002b:00007f60445fec50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  510.236414][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6047d1f3cf
>[  510.236423][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055f348280300
>[  510.236432][    C0] RBP: 000055f3482800d0 R08: 0000000000000000 R09: 0000000000000000
>[  510.236441][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055f348280300
>[  510.236451][    C0] R13: 00000000ffffffff R14: 00007f6048028890 R15: 0000000000000001
>[  510.236462][    C0]  </TASK>
>[  510.236468][    C0] task:pool-spawner    state:S stack:0     pid:1732  tgid:1675  ppid:1581   flags:0x00000002
>[  510.236481][    C0] Call Trace:
>[  510.236487][    C0]  <TASK>
>[  510.236492][    C0]  __schedule+0x381/0x1530
>[  510.236502][    C0]  ? deactivate_task+0x10/0x20
>[  510.236512][    C0]  ? wake_up_new_task+0x1b9/0x290
>[  510.236521][    C0]  schedule+0x24/0xb0
>[  510.236528][    C0]  futex_wait_queue+0x60/0x90
>[  510.236539][    C0]  futex_wait+0x169/0x250
>[  510.236550][    C0]  do_futex+0x11c/0x1b0
>[  510.236558][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  510.236567][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.236576][    C0]  do_syscall_64+0x5b/0x80
>[  510.236584][    C0]  ? __x64_sys_rt_sigprocmask+0x93/0xd0
>[  510.236592][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.236597][    C0]  ? do_syscall_64+0x67/0x80
>[  510.236602][    C0]  ? exc_page_fault+0x6e/0x150
>[  510.236609][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.236619][    C0] RIP: 0033:0x7f6047d2b729
>[  510.236629][    C0] RSP: 002b:00007f6043dfdc48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  510.236639][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6047d2b729
>[  510.236649][    C0] RDX: 0000000000000001 RSI: 0000000000000080 RDI: 000055f348286d40
>[  510.236657][    C0] RBP: 000055f348286d30 R08: 0000000000000001 R09: 0000000000000001
>[  510.236666][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6043dfe648
>[  510.236675][    C0] R13: 0000000000000000 R14: 000055f348286d40 R15: 00007f60435fe000
>[  510.236683][    C0]  </TASK>
>[  510.236686][    C0] task:gdbus           state:S stack:0     pid:1734  tgid:1675  ppid:1581   flags:0x00000002
>[  510.236695][    C0] Call Trace:
>[  510.236698][    C0]  <TASK>
>[  510.236701][    C0]  __schedule+0x381/0x1530
>[  510.236708][    C0]  ? schedule_hrtimeout_range_clock+0x10d/0x120
>[  510.236715][    C0]  ? _raw_read_lock_irq+0x30/0x30
>[  510.236725][    C0]  ? ep_poll_callback+0x117/0x2c0
>[  510.236733][    C0]  schedule+0x24/0xb0
>[  510.236738][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  510.236745][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.236751][    C0]  ? add_wait_queue+0x15/0x80
>[  510.236756][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  510.236762][    C0]  ? unix_poll+0x23/0x100
>[  510.236768][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.236774][    C0]  do_sys_poll+0x3b3/0x5f0
>[  510.236780][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  510.236788][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.236793][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.236798][    C0]  ? _copy_to_iter+0x58/0x520
>[  510.236804][    C0]  ? wakeup_preempt+0x29/0x60
>[  510.435915][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  510.435947][    C0]  ? eventfd_read+0x180/0x1f0
>[  510.435957][    C0]  ? vfs_read+0x230/0x2e0
>[  510.435967][    C0]  ? ksys_read+0x66/0xe0
>[  510.435975][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.435985][    C0]  ? __x64_sys_poll+0x37/0x140
>[  510.435995][    C0]  __x64_sys_poll+0x37/0x140
>[  510.436004][    C0]  do_syscall_64+0x5b/0x80
>[  510.436012][    C0]  ? ksys_write+0x66/0xe0
>[  510.436020][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.436028][    C0]  ? do_syscall_64+0x67/0x80
>[  510.436035][    C0]  ? do_syscall_64+0x67/0x80
>[  510.436043][    C0]  ? do_syscall_64+0x67/0x80
>[  510.436050][    C0]  ? do_syscall_64+0x67/0x80
>[  510.436058][    C0]  ? do_syscall_64+0x67/0x80
>[  510.436065][    C0]  ? do_syscall_64+0x67/0x80
>[  510.436072][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.436083][    C0] RIP: 0033:0x7f6047d1f3cf
>[  510.436101][    C0] RSP: 002b:00007f60435fcc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  510.436113][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6047d1f3cf
>[  510.436122][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f6038000b90
>[  510.436131][    C0] RBP: 000055f348293ae0 R08: 0000000000000000 R09: 0000000000000000
>[  510.436140][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6038000b90
>[  510.436149][    C0] R13: 00000000ffffffff R14: 00007f6048028890 R15: 0000000000000002
>[  510.436160][    C0]  </TASK>
>[  510.436166][    C0] task:dconf worker    state:S stack:0     pid:1740  tgid:1675  ppid:1581   flags:0x00000002
>[  510.436180][    C0] Call Trace:
>[  510.436185][    C0]  <TASK>
>[  510.436191][    C0]  __schedule+0x381/0x1530
>[  510.436200][    C0]  ? __schedule+0x389/0x1530
>[  510.436209][    C0]  schedule+0x24/0xb0
>[  510.436216][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  510.436227][    C0]  ? schedule_hrtimeout_range_clock+0xb0/0x120
>[  510.436236][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.436245][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.436254][    C0]  do_sys_poll+0x3b3/0x5f0
>[  510.436263][    C0]  ? prep_new_page+0x193/0x1b0
>[  510.436273][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  510.436282][    C0]  ? place_entity+0xd6/0x120
>[  510.436291][    C0]  ? update_load_avg+0x217/0x780
>[  510.436301][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.436309][    C0]  ? aa_file_perm+0x125/0x500
>[  510.436320][    C0]  ? copyout+0x20/0x30
>[  510.436329][    C0]  ? _copy_to_iter+0x58/0x520
>[  510.436338][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  510.436350][    C0]  ? eventfd_read+0x180/0x1f0
>[  510.436360][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  510.436370][    C0]  ? vfs_read+0x230/0x2e0
>[  510.436380][    C0]  ? xen_clocksource_read+0x18/0x30
>[  510.436391][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  510.436400][    C0]  ? _copy_to_user+0x20/0x40
>[  510.436409][    C0]  ? put_timespec64+0x3c/0x70
>[  510.436418][    C0]  ? __x64_sys_poll+0x37/0x140
>[  510.436426][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  510.436434][    C0]  __x64_sys_poll+0x37/0x140
>[  510.436442][    C0]  do_syscall_64+0x5b/0x80
>[  510.436450][    C0]  ? do_syscall_64+0x67/0x80
>[  510.436458][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.436467][    C0]  ? do_syscall_64+0x67/0x80
>[  510.436475][    C0]  ? exc_page_fault+0x6e/0x150
>[  510.436483][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.436493][    C0] RIP: 0033:0x7f6047d1f3cf
>[  510.436502][    C0] RSP: 002b:00007f6042dfbc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  510.436512][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6047d1f3cf
>[  510.436521][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f602c000b90
>[  510.436530][    C0] RBP: 000055f3482a24b0 R08: 0000000000000000 R09: 0000000000000000
>[  510.436540][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f602c000b90
>[  510.436548][    C0] R13: 00000000ffffffff R14: 00007f6048028890 R15: 0000000000000001
>[  510.436559][    C0]  </TASK>
>[  510.436565][    C0] task:gsd-media-keys  state:S stack:0     pid:1682  tgid:1682  ppid:1581   flags:0x00000002
>[  510.436588][    C0] Call Trace:
>[  510.436594][    C0]  <TASK>
>[  510.436599][    C0]  __schedule+0x381/0x1530
>[  510.436608][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.436617][    C0]  ? poll_freewait+0x45/0xa0
>[  510.436625][    C0]  schedule+0x24/0xb0
>[  510.436632][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  510.436641][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.436649][    C0]  ? add_wait_queue+0x15/0x80
>[  510.436656][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  510.436665][    C0]  ? unix_poll+0x23/0x100
>[  510.436672][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.636099][    C0]  do_sys_poll+0x3b3/0x5f0
>[  510.636118][    C0]  ? unix_stream_recvmsg+0x88/0x90
>[  510.636128][    C0]  ? __pfx_unix_stream_read_actor+0x10/0x10
>[  510.636135][    C0]  ? sock_recvmsg+0x9c/0xa0
>[  510.636148][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.636159][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.636167][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.636174][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.636181][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.636189][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.636197][    C0]  ? __sys_recvmsg+0x5b/0xa0
>[  510.636207][    C0]  ? __sys_recvmsg+0x8e/0xa0
>[  510.636216][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.636229][    C0]  ? __x64_sys_poll+0x37/0x140
>[  510.636238][    C0]  __x64_sys_poll+0x37/0x140
>[  510.636248][    C0]  do_syscall_64+0x5b/0x80
>[  510.636257][    C0]  ? do_syscall_64+0x67/0x80
>[  510.636264][    C0]  ? do_syscall_64+0x67/0x80
>[  510.636272][    C0]  ? exc_page_fault+0x6e/0x150
>[  510.636280][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.636291][    C0] RIP: 0033:0x7fadb0f1f3cf
>[  510.636310][    C0] RSP: 002b:00007ffd5b9e8a30 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  510.636322][    C0] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fadb0f1f3cf
>[  510.636332][    C0] RDX: 00000000ffffffff RSI: 0000000000000006 RDI: 000055f810714cb0
>[  510.636342][    C0] RBP: 000055f8106969d0 R08: 0000000000000000 R09: 0000000000000000
>[  510.636352][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055f810714cb0
>[  510.636360][    C0] R13: 00000000ffffffff R14: 00007fadb26cb890 R15: 0000000000000006
>[  510.636372][    C0]  </TASK>
>[  510.636381][    C0] task:gmain           state:S stack:0     pid:1766  tgid:1682  ppid:1581   flags:0x00000002
>[  510.636396][    C0] Call Trace:
>[  510.636402][    C0]  <TASK>
>[  510.636408][    C0]  __schedule+0x381/0x1530
>[  510.636421][    C0]  ? __raw_callee_save_xen_pmd_val+0x11/0x30
>[  510.636435][    C0]  schedule+0x24/0xb0
>[  510.636443][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  510.636455][    C0]  ? pud_val+0x5/0x10
>[  510.636464][    C0]  ? mas_update_gap.part.50+0x1c7/0x1f0
>[  510.636475][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.636485][    C0]  do_sys_poll+0x3b3/0x5f0
>[  510.636495][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  510.636505][    C0]  ? __raw_callee_save_xen_pmd_val+0x11/0x30
>[  510.636520][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.636530][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  510.636542][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  510.636554][    C0]  ? xen_set_pte+0x90/0x2b0
>[  510.636564][    C0]  ? set_pte_at+0x15/0x30
>[  510.636572][    C0]  ? do_pte_missing+0x426/0x7f0
>[  510.636580][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  510.636589][    C0]  ? __count_memcg_events+0x46/0x90
>[  510.636598][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  510.636608][    C0]  ? __x64_sys_poll+0x37/0x140
>[  510.636616][    C0]  __x64_sys_poll+0x37/0x140
>[  510.636624][    C0]  do_syscall_64+0x5b/0x80
>[  510.636633][    C0]  ? exc_page_fault+0x6e/0x150
>[  510.636642][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.636655][    C0] RIP: 0033:0x7fadb0f1f3cf
>[  510.636671][    C0] RSP: 002b:00007fada85fea50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  510.636681][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fadb0f1f3cf
>[  510.636691][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055f8106c8240
>[  510.636700][    C0] RBP: 000055f8106c80c0 R08: 0000000000000000 R09: 0000000000000000
>[  510.636712][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055f8106c8240
>[  510.636721][    C0] R13: 00000000ffffffff R14: 00007fadb26cb890 R15: 0000000000000001
>[  510.636732][    C0]  </TASK>
>[  510.636738][    C0] task:pool-spawner    state:S stack:0     pid:1767  tgid:1682  ppid:1581   flags:0x00000002
>[  510.636752][    C0] Call Trace:
>[  510.636758][    C0]  <TASK>
>[  510.636763][    C0]  __schedule+0x381/0x1530
>[  510.636773][    C0]  ? reweight_entity+0x155/0x170
>[  510.636784][    C0]  ? check_preempt_wakeup_fair+0x140/0x2c0
>[  510.636794][    C0]  schedule+0x24/0xb0
>[  510.636802][    C0]  futex_wait_queue+0x60/0x90
>[  510.636815][    C0]  futex_wait+0x169/0x250
>[  510.636826][    C0]  do_futex+0x11c/0x1b0
>[  510.636833][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  510.636843][    C0]  ? futex_wake+0x78/0x160
>[  510.636852][    C0]  do_syscall_64+0x5b/0x80
>[  510.636860][    C0]  ? do_futex+0xfb/0x1b0
>[  510.636868][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  510.636874][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.636880][    C0]  ? do_syscall_64+0x67/0x80
>[  510.636884][    C0]  ? __x64_sys_rt_sigprocmask+0x93/0xd0
>[  510.636890][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.636895][    C0]  ? do_syscall_64+0x67/0x80
>[  510.636900][    C0]  ? exc_page_fault+0x6e/0x150
>[  510.636907][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.636917][    C0] RIP: 0033:0x7fadb0f2b729
>[  510.636930][    C0] RSP: 002b:00007fada7dfda48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  510.636940][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fadb0f2b729
>[  510.636949][    C0] RDX: 0000000000000002 RSI: 0000000000000080 RDI: 000055f8106c26b0
>[  510.636957][    C0] RBP: 000055f8106c26a0 R08: 0000000000000001 R09: 0000000000000001
>[  510.832420][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fada7dfe640
>[  510.832440][    C0] R13: 0000000000000000 R14: 000055f8106c26b0 R15: 00007fada75fe000
>[  510.832456][    C0]  </TASK>
>[  510.832465][    C0] task:gdbus           state:S stack:0     pid:1774  tgid:1682  ppid:1581   flags:0x00000002
>[  510.832481][    C0] Call Trace:
>[  510.832487][    C0]  <TASK>
>[  510.832494][    C0]  __schedule+0x381/0x1530
>[  510.832511][    C0]  schedule+0x24/0xb0
>[  510.832521][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  510.832532][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.832543][    C0]  ? add_wait_queue+0x15/0x80
>[  510.832552][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  510.832563][    C0]  ? unix_poll+0x23/0x100
>[  510.832573][    C0]  do_sys_poll+0x3b3/0x5f0
>[  510.832585][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.832594][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.832603][    C0]  ? update_load_avg+0x217/0x780
>[  510.832614][    C0]  ? place_entity+0xd6/0x120
>[  510.832623][    C0]  ? update_load_avg+0x217/0x780
>[  510.832632][    C0]  ? update_curr+0x69/0x1f0
>[  510.832643][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.832652][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.832660][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.832668][    C0]  ? aa_file_perm+0x125/0x500
>[  510.832679][    C0]  ? copyout+0x20/0x30
>[  510.832690][    C0]  ? _copy_to_iter+0x58/0x520
>[  510.832700][    C0]  ? _copy_from_user+0x2b/0x70
>[  510.832710][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  510.832720][    C0]  ? eventfd_write+0xc6/0x1e0
>[  510.832731][    C0]  ? eventfd_read+0x180/0x1f0
>[  510.832741][    C0]  ? vfs_read+0x230/0x2e0
>[  510.832752][    C0]  ? __x64_sys_poll+0x37/0x140
>[  510.832810][    C0]  __x64_sys_poll+0x37/0x140
>[  510.832822][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.832833][    C0]  do_syscall_64+0x5b/0x80
>[  510.832841][    C0]  ? do_syscall_64+0x67/0x80
>[  510.832849][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  510.832861][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.832873][    C0] RIP: 0033:0x7fadb0f1f3cf
>[  510.832891][    C0] RSP: 002b:00007fada75fca50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  510.832901][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fadb0f1f3cf
>[  510.832910][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00007fad9c000b90
>[  510.832919][    C0] RBP: 000055f8106d5b90 R08: 0000000000000000 R09: 0000000000000000
>[  510.832928][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fad9c000b90
>[  510.832940][    C0] R13: 00000000ffffffff R14: 00007fadb26cb890 R15: 0000000000000003
>[  510.832951][    C0]  </TASK>
>[  510.832958][    C0] task:dconf worker    state:S stack:0     pid:1778  tgid:1682  ppid:1581   flags:0x00000002
>[  510.832973][    C0] Call Trace:
>[  510.832980][    C0]  <TASK>
>[  510.832985][    C0]  __schedule+0x381/0x1530
>[  510.832996][    C0]  ? schedule_hrtimeout_range_clock+0xb0/0x120
>[  510.833006][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.833015][    C0]  schedule+0x24/0xb0
>[  510.833022][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  510.833033][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  510.833042][    C0]  do_sys_poll+0x3b3/0x5f0
>[  510.833051][    C0]  ? place_entity+0xd6/0x120
>[  510.833061][    C0]  ? enqueue_entity+0x122/0x3d0
>[  510.833069][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.833076][    C0]  ? wakeup_preempt+0x29/0x60
>[  510.833085][    C0]  ? __pfx_pollwake+0x10/0x10
>[  510.833092][    C0]  ? xas_load+0xa/0x50
>[  510.833101][    C0]  ? xas_find+0x183/0x1c0
>[  510.833108][    C0]  ? mtree_load+0xd7/0x2f0
>[  510.833114][    C0]  ? evtchn_fifo_unmask+0x37/0xb0
>[  510.833121][    C0]  ? aa_file_perm+0x125/0x500
>[  510.833128][    C0]  ? copyout+0x20/0x30
>[  510.833134][    C0]  ? _copy_to_iter+0x58/0x520
>[  510.833139][    C0]  ? exc_xen_hypervisor_callback+0x8/0x20
>[  510.833147][    C0]  ? eventfd_read+0x180/0x1f0
>[  510.833152][    C0]  ? xen_clocksource_read+0x18/0x30
>[  510.833159][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  510.833166][    C0]  ? _copy_to_user+0x20/0x40
>[  510.833175][    C0]  ? put_timespec64+0x3c/0x70
>[  510.833184][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  510.833194][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  510.833204][    C0]  ? do_syscall_64+0x67/0x80
>[  510.833212][    C0]  ? __x64_sys_poll+0x37/0x140
>[  510.833220][    C0]  __x64_sys_poll+0x37/0x140
>[  510.833228][    C0]  do_syscall_64+0x5b/0x80
>[  510.833237][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  510.833246][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  510.833253][    C0] RIP: 0033:0x7fadb0f1f3cf
>[  510.833265][    C0] RSP: 002b:00007fada6dfba50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  510.833272][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fadb0f1f3cf
>[  510.833278][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007fad94000b90
>[  511.032347][    C0] RBP: 000055f8106ec280 R08: 0000000000000000 R09: 0000000000000000
>[  511.032365][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fad94000b90
>[  511.032373][    C0] R13: 00000000ffffffff R14: 00007fadb26cb890 R15: 0000000000000001
>[  511.032387][    C0]  </TASK>
>[  511.032395][    C0] task:gsd-screensaver state:S stack:0     pid:1686  tgid:1686  ppid:1581   flags:0x00000002
>[  511.032408][    C0] Call Trace:
>[  511.032413][    C0]  <TASK>
>[  511.032418][    C0]  __schedule+0x381/0x1530
>[  511.032539][    C0]  ? schedule+0x24/0xb0
>[  511.032548][    C0]  schedule+0x24/0xb0
>[  511.032556][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.032566][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  511.032575][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.032585][    C0]  ? remove_wait_queue+0x12/0x50
>[  511.032593][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.032602][    C0]  do_sys_poll+0x3b3/0x5f0
>[  511.032612][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.032620][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.032628][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.032636][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.032646][    C0]  ? copyout+0x20/0x30
>[  511.032654][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.032662][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.032671][    C0]  ? copyout+0x20/0x30
>[  511.032680][    C0]  ? copyout+0x20/0x30
>[  511.032687][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.032696][    C0]  ? eventfd_read+0x180/0x1f0
>[  511.032705][    C0]  ? eventfd_read+0x180/0x1f0
>[  511.032713][    C0]  ? vfs_read+0x230/0x2e0
>[  511.032722][    C0]  ? ksys_read+0x66/0xe0
>[  511.032730][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.032740][    C0]  ? do_syscall_64+0x67/0x80
>[  511.032748][    C0]  ? do_syscall_64+0x67/0x80
>[  511.032756][    C0]  ? __x64_sys_poll+0x37/0x140
>[  511.032764][    C0]  __x64_sys_poll+0x37/0x140
>[  511.032771][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  511.032782][    C0]  do_syscall_64+0x5b/0x80
>[  511.032790][    C0]  ? do_syscall_64+0x67/0x80
>[  511.032797][    C0]  ? do_syscall_64+0x67/0x80
>[  511.032804][    C0]  ? exc_page_fault+0x6e/0x150
>[  511.032812][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.032823][    C0] RIP: 0033:0x7fdebd51f3cf
>[  511.032840][    C0] RSP: 002b:00007ffd98f30ab0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  511.032851][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdebd51f3cf
>[  511.032860][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000056388e5927c0
>[  511.032869][    C0] RBP: 000056388e577d00 R08: 0000000000000000 R09: 0000000000000000
>[  511.032878][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000056388e5927c0
>[  511.032888][    C0] R13: 00000000ffffffff R14: 00007fdebd781890 R15: 0000000000000001
>[  511.032898][    C0]  </TASK>
>[  511.032905][    C0] task:gmain           state:S stack:0     pid:1699  tgid:1686  ppid:1581   flags:0x00000002
>[  511.032918][    C0] Call Trace:
>[  511.032924][    C0]  <TASK>
>[  511.032929][    C0]  __schedule+0x381/0x1530
>[  511.032939][    C0]  schedule+0x24/0xb0
>[  511.032946][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.032953][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.032959][    C0]  ? remove_wait_queue+0x12/0x50
>[  511.032965][    C0]  ? poll_freewait+0x45/0xa0
>[  511.032970][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.032976][    C0]  do_sys_poll+0x3b3/0x5f0
>[  511.033079][    C0]  ? free_pgtables+0x1eb/0x220
>[  511.033089][    C0]  ? prep_new_page+0x193/0x1b0
>[  511.033095][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  511.033101][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.033107][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  511.033115][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  511.033120][    C0]  ? aa_file_perm+0x125/0x500
>[  511.033127][    C0]  ? copyout+0x20/0x30
>[  511.033133][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.033139][    C0]  ? set_pte_at+0x15/0x30
>[  511.033145][    C0]  ? eventfd_read+0x180/0x1f0
>[  511.033150][    C0]  ? __x64_sys_poll+0x37/0x140
>[  511.033155][    C0]  __x64_sys_poll+0x37/0x140
>[  511.033161][    C0]  do_syscall_64+0x5b/0x80
>[  511.033166][    C0]  ? ksys_read+0x66/0xe0
>[  511.033172][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.033178][    C0]  ? do_syscall_64+0x67/0x80
>[  511.033182][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  511.033190][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.033197][    C0] RIP: 0033:0x7fdebd51f3cf
>[  511.033206][    C0] RSP: 002b:00007fdebcbfed50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  511.033213][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdebd51f3cf
>[  511.033219][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000056388e5781e0
>[  511.033225][    C0] RBP: 000056388e577fb0 R08: 0000000000000000 R09: 0000000000000000
>[  511.033230][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000056388e5781e0
>[  511.033236][    C0] R13: 00000000ffffffff R14: 00007fdebd781890 R15: 0000000000000001
>[  511.033243][    C0]  </TASK>
>[  511.033246][    C0] task:pool-spawner    state:S stack:0     pid:1700  tgid:1686  ppid:1581   flags:0x00000002
>[  511.033255][    C0] Call Trace:
>[  511.033258][    C0]  <TASK>
>[  511.033262][    C0]  __schedule+0x381/0x1530
>[  511.033267][    C0]  ? update_curr+0x69/0x1f0
>[  511.033275][    C0]  ? reweight_entity+0x155/0x170
>[  511.033286][    C0]  schedule+0x24/0xb0
>[  511.033295][    C0]  futex_wait_queue+0x60/0x90
>[  511.033307][    C0]  futex_wait+0x169/0x250
>[  511.033319][    C0]  ? update_load_avg+0x217/0x780
>[  511.033328][    C0]  ? place_entity+0xd6/0x120
>[  511.033336][    C0]  ? update_load_avg+0x217/0x780
>[  511.033345][    C0]  ? update_curr+0x69/0x1f0
>[  511.033355][    C0]  do_futex+0x11c/0x1b0
>[  511.033363][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  511.033383][    C0]  do_syscall_64+0x5b/0x80
>[  511.033391][    C0]  ? futex_wake+0x140/0x160
>[  511.033400][    C0]  ? do_futex+0xfb/0x1b0
>[  511.033407][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  511.033416][    C0]  ? do_user_addr_fault+0x267/0x890
>[  511.033426][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.033435][    C0]  ? do_syscall_64+0x67/0x80
>[  511.033445][    C0]  ? exc_page_fault+0x6e/0x150
>[  511.033454][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.033465][    C0] RIP: 0033:0x7fdebd52b729
>[  511.033480][    C0] RSP: 002b:00007fdebc3fdd48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  511.033494][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdebd52b729
>[  511.033503][    C0] RDX: 0000000000000001 RSI: 0000000000000080 RDI: 000056388e57d900
>[  511.033512][    C0] RBP: 000056388e57d8f0 R08: 0000000000000001 R09: 0000000000000001
>[  511.033562][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdebc3fe648
>[  511.033575][    C0] R13: 0000000000000000 R14: 000056388e57d900 R15: 00007fdebbbfe000
>[  511.033587][    C0]  </TASK>
>[  511.033594][    C0] task:gdbus           state:S stack:0     pid:1708  tgid:1686  ppid:1581   flags:0x00000002
>[  511.033608][    C0] Call Trace:
>[  511.033614][    C0]  <TASK>
>[  511.033619][    C0]  __schedule+0x381/0x1530
>[  511.033629][    C0]  ? __schedule+0x389/0x1530
>[  511.033638][    C0]  ? _raw_read_lock_irqsave+0x14/0x50
>[  511.033651][    C0]  schedule+0x24/0xb0
>[  511.033660][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.033670][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.033677][    C0]  ? add_wait_queue+0x15/0x80
>[  511.033683][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  511.033689][    C0]  ? unix_poll+0x23/0x100
>[  511.033695][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.033701][    C0]  do_sys_poll+0x3b3/0x5f0
>[  511.033707][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  511.033714][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.033719][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.033724][    C0]  ? update_load_avg+0x217/0x780
>[  511.033730][    C0]  ? update_curr+0x69/0x1f0
>[  511.033736][    C0]  ? reweight_entity+0x155/0x170
>[  511.033741][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  511.033749][    C0]  ? wakeup_preempt+0x29/0x60
>[  511.033761][    C0]  ? aa_file_perm+0x125/0x500
>[  511.033771][    C0]  ? aa_file_perm+0x125/0x500
>[  511.033779][    C0]  ? copyout+0x20/0x30
>[  511.033787][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.033797][    C0]  ? eventfd_read+0x180/0x1f0
>[  511.033807][    C0]  ? __x64_sys_poll+0x37/0x140
>[  511.033815][    C0]  __x64_sys_poll+0x37/0x140
>[  511.033823][    C0]  do_syscall_64+0x5b/0x80
>[  511.033831][    C0]  ? ksys_read+0x66/0xe0
>[  511.033839][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.033848][    C0]  ? do_syscall_64+0x67/0x80
>[  511.033855][    C0]  ? do_syscall_64+0x67/0x80
>[  511.033862][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.033870][    C0]  ? do_syscall_64+0x67/0x80
>[  511.033877][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.033885][    C0]  ? do_syscall_64+0x67/0x80
>[  511.033892][    C0]  ? do_syscall_64+0x67/0x80
>[  511.033899][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  511.033909][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.033919][    C0] RIP: 0033:0x7fdebd51f3cf
>[  511.233005][    C0] RSP: 002b:00007fdebb3fbd50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  511.233024][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdebd51f3cf
>[  511.233034][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007fdea4000b90
>[  511.233043][    C0] RBP: 000056388e58e110 R08: 0000000000000000 R09: 0000000000000000
>[  511.233052][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fdea4000b90
>[  511.233061][    C0] R13: 00000000ffffffff R14: 00007fdebd781890 R15: 0000000000000002
>[  511.233075][    C0]  </TASK>
>[  511.233083][    C0] task:gsd-sound       state:S stack:0     pid:1689  tgid:1689  ppid:1581   flags:0x00000002
>[  511.233097][    C0] Call Trace:
>[  511.233102][    C0]  <TASK>
>[  511.233108][    C0]  __schedule+0x381/0x1530
>[  511.233123][    C0]  schedule+0x24/0xb0
>[  511.233132][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.233143][    C0]  ? schedule+0x24/0xb0
>[  511.233152][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.233161][    C0]  do_sys_poll+0x3b3/0x5f0
>[  511.233171][    C0]  ? schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.233180][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  511.233190][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.233198][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.233206][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.233214][    C0]  ? aa_file_perm+0x125/0x500
>[  511.233224][    C0]  ? copyout+0x20/0x30
>[  511.233233][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.233242][    C0]  ? aa_file_perm+0x125/0x500
>[  511.233250][    C0]  ? aa_file_perm+0x125/0x500
>[  511.233259][    C0]  ? copyout+0x20/0x30
>[  511.233267][    C0]  ? aa_file_perm+0x125/0x500
>[  511.233276][    C0]  ? copyout+0x20/0x30
>[  511.233283][    C0]  ? aa_file_perm+0x125/0x500
>[  511.233292][    C0]  ? eventfd_read+0x180/0x1f0
>[  511.233300][    C0]  ? copyout+0x20/0x30
>[  511.233307][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.233317][    C0]  ? eventfd_read+0x180/0x1f0
>[  511.233325][    C0]  ? __x64_sys_poll+0x37/0x140
>[  511.233334][    C0]  __x64_sys_poll+0x37/0x140
>[  511.233342][    C0]  do_syscall_64+0x5b/0x80
>[  511.233351][    C0]  ? ksys_read+0x66/0xe0
>[  511.233360][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.233370][    C0]  ? do_syscall_64+0x67/0x80
>[  511.233377][    C0]  ? do_syscall_64+0x67/0x80
>[  511.233384][    C0]  ? do_syscall_64+0x67/0x80
>[  511.233391][    C0]  ? do_syscall_64+0x67/0x80
>[  511.233397][    C0]  ? exc_page_fault+0x6e/0x150
>[  511.233406][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.233416][    C0] RIP: 0033:0x7f6644f1f3cf
>[  511.233433][    C0] RSP: 002b:00007fff950770e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  511.233443][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6644f1f3cf
>[  511.233452][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00005555828a3380
>[  511.233460][    C0] RBP: 0000555582875d30 R08: 0000000000000000 R09: 0000000000000000
>[  511.233468][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00005555828a3380
>[  511.233476][    C0] R13: 00000000ffffffff R14: 00007f6645218890 R15: 0000000000000001
>[  511.233486][    C0]  </TASK>
>[  511.233493][    C0] task:gmain           state:S stack:0     pid:1724  tgid:1689  ppid:1581   flags:0x00000002
>[  511.233505][    C0] Call Trace:
>[  511.233511][    C0]  <TASK>
>[  511.233516][    C0]  __schedule+0x381/0x1530
>[  511.233526][    C0]  ? __schedule+0x389/0x1530
>[  511.233535][    C0]  schedule+0x24/0xb0
>[  511.233543][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.233552][    C0]  ? schedule+0x24/0xb0
>[  511.233559][    C0]  ? schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.233569][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.233578][    C0]  ? add_wait_queue+0x15/0x80
>[  511.233600][    C0]  do_sys_poll+0x3b3/0x5f0
>[  511.233609][    C0]  ? ___slab_alloc+0x3ef/0x970
>[  511.233618][    C0]  ? prep_new_page+0x193/0x1b0
>[  511.233627][    C0]  ? __update_load_avg_se+0x2a1/0x320
>[  511.233636][    C0]  ? __update_load_avg_se+0x2a1/0x320
>[  511.233644][    C0]  ? pmu_msr_read+0x36/0xd0
>[  511.233653][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.233662][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.233670][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  511.233680][    C0]  ? aa_file_perm+0x125/0x500
>[  511.233689][    C0]  ? schedule+0x24/0xb0
>[  511.233697][    C0]  ? copyout+0x20/0x30
>[  511.233704][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.233713][    C0]  ? futex_wait+0x173/0x250
>[  511.233723][    C0]  ? do_pte_missing+0x426/0x7f0
>[  511.233731][    C0]  ? futex_wake+0x78/0x160
>[  511.233741][    C0]  ? __x64_sys_poll+0x37/0x140
>[  511.233749][    C0]  __x64_sys_poll+0x37/0x140
>[  511.233756][    C0]  do_syscall_64+0x5b/0x80
>[  511.233764][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.233773][    C0]  ? do_syscall_64+0x67/0x80
>[  511.233781][    C0]  ? exc_page_fault+0x6e/0x150
>[  511.233789][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.233799][    C0] RIP: 0033:0x7f6644f1f3cf
>[  511.233812][    C0] RSP: 002b:00007f66425fec50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  511.233823][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6644f1f3cf
>[  511.233832][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 0000555582876210
>[  511.233841][    C0] RBP: 0000555582875fe0 R08: 0000000000000000 R09: 0000000000000000
>[  511.233850][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000555582876210
>[  511.233859][    C0] R13: 00000000ffffffff R14: 00007f6645218890 R15: 0000000000000002
>[  511.233870][    C0]  </TASK>
>[  511.233877][    C0] task:pool-spawner    state:S stack:0     pid:1725  tgid:1689  ppid:1581   flags:0x00000002
>[  511.233890][    C0] Call Trace:
>[  511.233895][    C0]  <TASK>
>[  511.233900][    C0]  __schedule+0x381/0x1530
>[  511.233910][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  511.432907][    C0]  schedule+0x24/0xb0
>[  511.432924][    C0]  futex_wait_queue+0x60/0x90
>[  511.432934][    C0]  futex_wait+0x169/0x250
>[  511.432940][    C0]  ? futex_wake+0x140/0x160
>[  511.432948][    C0]  do_futex+0x11c/0x1b0
>[  511.432953][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  511.432959][    C0]  ? __set_task_blocked+0x38/0x90
>[  511.432968][    C0]  do_syscall_64+0x5b/0x80
>[  511.432975][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.432981][    C0]  ? do_syscall_64+0x67/0x80
>[  511.432986][    C0]  ? exc_page_fault+0x6e/0x150
>[  511.432991][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.432999][    C0] RIP: 0033:0x7f6644f2b729
>[  511.433013][    C0] RSP: 002b:00007f6641dfdc48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  511.433021][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6644f2b729
>[  511.433027][    C0] RDX: 0000000000000001 RSI: 0000000000000080 RDI: 000055558287cc10
>[  511.433033][    C0] RBP: 000055558287cc00 R08: 0000000000000001 R09: 0000000000000001
>[  511.433040][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6641dfe648
>[  511.433045][    C0] R13: 0000000000000000 R14: 000055558287cc10 R15: 00007f66415fe000
>[  511.433052][    C0]  </TASK>
>[  511.433057][    C0] task:gdbus           state:S stack:0     pid:1736  tgid:1689  ppid:1581   flags:0x00000002
>[  511.433067][    C0] Call Trace:
>[  511.433071][    C0]  <TASK>
>[  511.433074][    C0]  __schedule+0x381/0x1530
>[  511.433081][    C0]  ? pmu_msr_read+0x36/0xd0
>[  511.433088][    C0]  ? xen_extend_mmuext_op+0x20/0xe0
>[  511.433094][    C0]  ? xen_mc_flush+0x87/0x230
>[  511.433100][    C0]  schedule+0x24/0xb0
>[  511.433105][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.433113][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.433120][    C0]  ? add_wait_queue+0x15/0x80
>[  511.433125][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  511.433133][    C0]  ? unix_poll+0x23/0x100
>[  511.433138][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.433144][    C0]  do_sys_poll+0x3b3/0x5f0
>[  511.433151][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  511.433156][    C0]  ? mod_objcg_state+0xb7/0x2f0
>[  511.433164][    C0]  ? __update_load_avg_cfs_rq+0x25b/0x2e0
>[  511.433171][    C0]  ? __update_load_avg_cfs_rq+0x25b/0x2e0
>[  511.433176][    C0]  ? __update_load_avg_cfs_rq+0x25b/0x2e0
>[  511.433182][    C0]  ? sched_clock_cpu+0xd/0x190
>[  511.433189][    C0]  ? __update_load_avg_cfs_rq+0x25b/0x2e0
>[  511.433196][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.433201][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.433207][    C0]  ? wakeup_preempt+0x29/0x60
>[  511.433213][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  511.433219][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  511.433224][    C0]  ? aa_file_perm+0x125/0x500
>[  511.433232][    C0]  ? pollwake+0x74/0xa0
>[  511.433236][    C0]  ? __pfx_default_wake_function+0x10/0x10
>[  511.433243][    C0]  ? aa_file_perm+0x125/0x500
>[  511.433249][    C0]  ? copyout+0x20/0x30
>[  511.433254][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.433261][    C0]  ? _copy_from_user+0x2b/0x70
>[  511.433267][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  511.433274][    C0]  ? eventfd_write+0xc6/0x1e0
>[  511.433281][    C0]  ? eventfd_read+0x180/0x1f0
>[  511.433286][    C0]  ? vfs_write+0xc5/0x380
>[  511.433292][    C0]  ? __x64_sys_poll+0x37/0x140
>[  511.433298][    C0]  __x64_sys_poll+0x37/0x140
>[  511.433306][    C0]  ? vfs_read+0x230/0x2e0
>[  511.433315][    C0]  do_syscall_64+0x5b/0x80
>[  511.433324][    C0]  ? ksys_read+0x66/0xe0
>[  511.433332][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.433341][    C0]  ? do_syscall_64+0x67/0x80
>[  511.433348][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  511.433357][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.433365][    C0]  ? do_syscall_64+0x67/0x80
>[  511.433372][    C0]  ? do_syscall_64+0x67/0x80
>[  511.433380][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.433390][    C0] RIP: 0033:0x7f6644f1f3cf
>[  511.433403][    C0] RSP: 002b:00007f66415fcc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  511.433413][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6644f1f3cf
>[  511.433422][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f6638000b90
>[  511.433430][    C0] RBP: 0000555582889990 R08: 0000000000000000 R09: 0000000000000000
>[  511.433438][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6638000b90
>[  511.433448][    C0] R13: 00000000ffffffff R14: 00007f6645218890 R15: 0000000000000002
>[  511.433459][    C0]  </TASK>
>[  511.433465][    C0] task:dconf worker    state:S stack:0     pid:1742  tgid:1689  ppid:1581   flags:0x00000002
>[  511.433478][    C0] Call Trace:
>[  511.433484][    C0]  <TASK>
>[  511.433489][    C0]  __schedule+0x381/0x1530
>[  511.433496][    C0]  ? timerqueue_del+0x2a/0x50
>[  511.433504][    C0]  schedule+0x24/0xb0
>[  511.433509][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.632545][    C0]  ? remove_wait_queue+0x12/0x50
>[  511.632571][    C0]  ? poll_freewait+0x45/0xa0
>[  511.632579][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.632588][    C0]  do_sys_poll+0x3b3/0x5f0
>[  511.632595][    C0]  ? update_load_avg+0x217/0x780
>[  511.632602][    C0]  ? prep_new_page+0x193/0x1b0
>[  511.632619][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  511.632625][    C0]  ? reweight_entity+0x155/0x170
>[  511.632641][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.632647][    C0]  ? percpu_counter_add_batch+0x4d/0x80
>[  511.632653][    C0]  ? xen_set_pte+0x90/0x2b0
>[  511.632670][    C0]  ? filemap_map_pages+0x14b/0x620
>[  511.632676][    C0]  ? do_pte_missing+0x6a2/0x7f0
>[  511.632691][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  511.632697][    C0]  ? __x64_sys_poll+0x37/0x140
>[  511.632703][    C0]  __x64_sys_poll+0x37/0x140
>[  511.632709][    C0]  do_syscall_64+0x5b/0x80
>[  511.632726][    C0]  ? exc_page_fault+0x6e/0x150
>[  511.632732][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.632740][    C0] RIP: 0033:0x7f6644f1f3cf
>[  511.632765][    C0] RSP: 002b:00007f6640dfbc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  511.632772][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6644f1f3cf
>[  511.632788][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f662c000b90
>[  511.632803][    C0] RBP: 000055558289a310 R08: 0000000000000000 R09: 0000000000000000
>[  511.632810][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f662c000b90
>[  511.632815][    C0] R13: 00000000ffffffff R14: 00007f6645218890 R15: 0000000000000001
>[  511.632823][    C0]  </TASK>
>[  511.632838][    C0] task:gsd-a11y-settin state:S stack:0     pid:1694  tgid:1694  ppid:1581   flags:0x00000002
>[  511.632857][    C0] Call Trace:
>[  511.632861][    C0]  <TASK>
>[  511.632864][    C0]  __schedule+0x381/0x1530
>[  511.632872][    C0]  schedule+0x24/0xb0
>[  511.632878][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.632895][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  511.632910][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.632917][    C0]  do_sys_poll+0x3b3/0x5f0
>[  511.632924][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.632930][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.632937][    C0]  ? copyout+0x20/0x30
>[  511.632942][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.632948][    C0]  ? copyout+0x20/0x30
>[  511.632954][    C0]  ? aa_file_perm+0x125/0x500
>[  511.632962][    C0]  ? aa_file_perm+0x125/0x500
>[  511.632968][    C0]  ? copyout+0x20/0x30
>[  511.632973][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.632979][    C0]  ? eventfd_read+0x180/0x1f0
>[  511.632986][    C0]  ? vfs_read+0x230/0x2e0
>[  511.632992][    C0]  ? __x64_sys_poll+0x37/0x140
>[  511.632998][    C0]  __x64_sys_poll+0x37/0x140
>[  511.633004][    C0]  do_syscall_64+0x5b/0x80
>[  511.633009][    C0]  ? do_syscall_64+0x67/0x80
>[  511.633014][    C0]  ? exc_page_fault+0x6e/0x150
>[  511.633020][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.633026][    C0] RIP: 0033:0x7f0aac11f3cf
>[  511.633036][    C0] RSP: 002b:00007ffc5c1be810 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  511.633042][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0aac11f3cf
>[  511.633049][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055ba6e63d8e0
>[  511.633060][    C0] RBP: 000055ba6e61ad00 R08: 0000000000000000 R09: 0000000000000000
>[  511.633073][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055ba6e63d8e0
>[  511.633084][    C0] R13: 00000000ffffffff R14: 00007f0aac35e890 R15: 0000000000000001
>[  511.633096][    C0]  </TASK>
>[  511.633101][    C0] task:gmain           state:S stack:0     pid:1723  tgid:1694  ppid:1581   flags:0x00000002
>[  511.633114][    C0] Call Trace:
>[  511.633120][    C0]  <TASK>
>[  511.633124][    C0]  __schedule+0x381/0x1530
>[  511.633136][    C0]  schedule+0x24/0xb0
>[  511.633143][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.633153][    C0]  ? poll_freewait+0x45/0xa0
>[  511.633162][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.633171][    C0]  do_sys_poll+0x3b3/0x5f0
>[  511.633180][    C0]  ? __raw_callee_save_xen_pud_val+0x11/0x30
>[  511.633191][    C0]  ? pud_val+0x5/0x10
>[  511.633200][    C0]  ? free_pgd_range+0x579/0x770
>[  511.633209][    C0]  ? prep_new_page+0x193/0x1b0
>[  511.633218][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  511.633229][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.633237][    C0]  ? aa_file_perm+0x125/0x500
>[  511.633245][    C0]  ? copyout+0x20/0x30
>[  511.633252][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.633258][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  511.633265][    C0]  ? eventfd_read+0x180/0x1f0
>[  511.633271][    C0]  ? vfs_read+0x230/0x2e0
>[  511.633277][    C0]  ? ksys_read+0x66/0xe0
>[  511.633283][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.633293][    C0]  ? do_syscall_64+0x67/0x80
>[  511.633301][    C0]  ? __x64_sys_poll+0x37/0x140
>[  511.633319][    C0]  ? do_syscall_64+0x67/0x80
>[  511.633336][    C0]  __x64_sys_poll+0x37/0x140
>[  511.633344][    C0]  do_syscall_64+0x5b/0x80
>[  511.633352][    C0]  ? do_user_addr_fault+0x267/0x890
>[  511.633362][    C0]  ? exc_page_fault+0x6e/0x150
>[  511.633369][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.633385][    C0] RIP: 0033:0x7f0aac11f3cf
>[  511.633405][    C0] RSP: 002b:00007f0aab7fed50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  511.633411][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0aac11f3cf
>[  511.633417][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055ba6e61b1e0
>[  511.633423][    C0] RBP: 000055ba6e61afb0 R08: 0000000000000000 R09: 0000000000000000
>[  511.633429][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055ba6e61b1e0
>[  511.633444][    C0] R13: 00000000ffffffff R14: 00007f0aac35e890 R15: 0000000000000001
>[  511.633451][    C0]  </TASK>
>[  511.633455][    C0] task:pool-spawner    state:S stack:0     pid:1730  tgid:1694  ppid:1581   flags:0x00000002
>[  511.633463][    C0] Call Trace:
>[  511.633466][    C0]  <TASK>
>[  511.633469][    C0]  __schedule+0x381/0x1530
>[  511.633476][    C0]  schedule+0x24/0xb0
>[  511.633481][    C0]  futex_wait_queue+0x60/0x90
>[  511.633488][    C0]  futex_wait+0x169/0x250
>[  511.633494][    C0]  ? futex_wake+0x78/0x160
>[  511.832505][    C0]  do_futex+0x11c/0x1b0
>[  511.832529][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  511.832536][    C0]  ? do_futex+0xfb/0x1b0
>[  511.832542][    C0]  do_syscall_64+0x5b/0x80
>[  511.832550][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.832556][    C0]  ? do_syscall_64+0x67/0x80
>[  511.832561][    C0]  ? exc_page_fault+0x6e/0x150
>[  511.832566][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.832575][    C0] RIP: 0033:0x7f0aac12b729
>[  511.832588][    C0] RSP: 002b:00007f0aaaffdd48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  511.832605][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0aac12b729
>[  511.832611][    C0] RDX: 0000000000000001 RSI: 0000000000000080 RDI: 000055ba6e621bc0
>[  511.832627][    C0] RBP: 000055ba6e621bb0 R08: 0000000000000001 R09: 0000000000000001
>[  511.832633][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0aaaffe648
>[  511.832639][    C0] R13: 0000000000000000 R14: 000055ba6e621bc0 R15: 00007f0aaa7fe000
>[  511.832646][    C0]  </TASK>
>[  511.832660][    C0] task:gdbus           state:S stack:0     pid:1733  tgid:1694  ppid:1581   flags:0x00000002
>[  511.832679][    C0] Call Trace:
>[  511.832683][    C0]  <TASK>
>[  511.832686][    C0]  __schedule+0x381/0x1530
>[  511.832694][    C0]  ? _raw_read_lock_irqsave+0x14/0x50
>[  511.832702][    C0]  schedule+0x24/0xb0
>[  511.832707][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.832715][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.832721][    C0]  ? add_wait_queue+0x15/0x80
>[  511.832727][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  511.832734][    C0]  ? unix_poll+0x23/0x100
>[  511.832739][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.832745][    C0]  do_sys_poll+0x3b3/0x5f0
>[  511.832752][    C0]  ? unix_stream_read_generic+0x824/0xac0
>[  511.832758][    C0]  ? put_cpu_partial+0x5f/0x80
>[  511.832764][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  511.832771][    C0]  ? update_load_avg+0x217/0x780
>[  511.832779][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.832784][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.832790][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  511.832795][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  511.832801][    C0]  ? aa_file_perm+0x125/0x500
>[  511.832808][    C0]  ? copyout+0x20/0x30
>[  511.832814][    C0]  ? _copy_to_iter+0x58/0x520
>[  511.832820][    C0]  ? __wake_up_common+0x74/0x130
>[  511.832826][    C0]  ? aa_file_perm+0x125/0x500
>[  511.832832][    C0]  ? eventfd_read+0x180/0x1f0
>[  511.832838][    C0]  ? vfs_read+0x230/0x2e0
>[  511.832845][    C0]  ? __x64_sys_poll+0x37/0x140
>[  511.832851][    C0]  __x64_sys_poll+0x37/0x140
>[  511.832857][    C0]  do_syscall_64+0x5b/0x80
>[  511.832863][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.832869][    C0]  ? do_syscall_64+0x67/0x80
>[  511.832874][    C0]  ? ksys_write+0x66/0xe0
>[  511.832879][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  511.832885][    C0]  ? do_syscall_64+0x67/0x80
>[  511.832889][    C0]  ? do_syscall_64+0x67/0x80
>[  511.832894][    C0]  ? do_syscall_64+0x67/0x80
>[  511.832899][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  511.832907][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.832913][    C0] RIP: 0033:0x7f0aac11f3cf
>[  511.832922][    C0] RSP: 002b:00007f0aaa7fcd50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  511.832928][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0aac11f3cf
>[  511.832935][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f0aa0000b90
>[  511.832941][    C0] RBP: 000055ba6e62e970 R08: 0000000000000000 R09: 0000000000000000
>[  511.832953][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f0aa0000b90
>[  511.832965][    C0] R13: 00000000ffffffff R14: 00007f0aac35e890 R15: 0000000000000002
>[  511.832979][    C0]  </TASK>
>[  511.832984][    C0] task:dconf worker    state:S stack:0     pid:1739  tgid:1694  ppid:1581   flags:0x00000002
>[  511.832996][    C0] Call Trace:
>[  511.833002][    C0]  <TASK>
>[  511.833006][    C0]  __schedule+0x381/0x1530
>[  511.833015][    C0]  ? xen_mc_flush+0x87/0x230
>[  511.833025][    C0]  ? xen_load_sp0+0x130/0x170
>[  511.833035][    C0]  schedule+0x24/0xb0
>[  511.833043][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  511.833054][    C0]  ? timerqueue_add+0x7a/0x90
>[  511.833063][    C0]  ? timerqueue_del+0x2a/0x50
>[  511.833071][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  511.833080][    C0]  do_sys_poll+0x3b3/0x5f0
>[  511.833090][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  511.833100][    C0]  ? prep_new_page+0x193/0x1b0
>[  511.833109][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  511.833119][    C0]  ? __pfx_pollwake+0x10/0x10
>[  511.833127][    C0]  ? update_load_avg+0x217/0x780
>[  511.833139][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  511.833151][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  511.833161][    C0]  ? xen_set_pte+0x90/0x2b0
>[  511.833179][    C0]  ? set_pte_at+0x15/0x30
>[  511.833188][    C0]  ? do_pte_missing+0x426/0x7f0
>[  511.833195][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  511.833203][    C0]  ? __x64_sys_poll+0x37/0x140
>[  511.833220][    C0]  __x64_sys_poll+0x37/0x140
>[  511.833229][    C0]  do_syscall_64+0x5b/0x80
>[  511.833235][    C0]  ? __count_memcg_events+0x46/0x90
>[  511.833241][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  511.833248][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  511.833265][    C0]  ? do_user_addr_fault+0x446/0x890
>[  511.833272][    C0]  ? exc_page_fault+0x6e/0x150
>[  511.833288][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  511.833294][    C0] RIP: 0033:0x7f0aac11f3cf
>[  511.833303][    C0] RSP: 002b:00007f0aa9ffbd50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  511.833310][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0aac11f3cf
>[  511.833326][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f0a94000b90
>[  511.833331][    C0] RBP: 000055ba6e63f550 R08: 0000000000000000 R09: 0000000000000000
>[  511.833337][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f0a94000b90
>[  511.833342][    C0] R13: 00000000ffffffff R14: 00007f0aac35e890 R15: 0000000000000001
>[  511.833349][    C0]  </TASK>
>[  511.833352][    C0] task:gsd-housekeepin state:S stack:0     pid:1703  tgid:1703  ppid:1581   flags:0x00000002
>[  512.032353][    C0] Call Trace:
>[  512.032364][    C0]  <TASK>
>[  512.032370][    C0]  __schedule+0x381/0x1530
>[  512.032391][    C0]  ? xa_load+0x6f/0xa0
>[  512.032398][    C0]  ? ___slab_alloc+0x3ef/0x970
>[  512.032405][    C0]  ? timerqueue_add+0x7a/0x90
>[  512.032412][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  512.032420][    C0]  schedule+0x24/0xb0
>[  512.032426][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  512.032434][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  512.032451][    C0]  do_sys_poll+0x3b3/0x5f0
>[  512.032458][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  512.032475][    C0]  ? __d_alloc+0x121/0x1d0
>[  512.032482][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  512.032489][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  512.032505][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  512.032512][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.032527][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.032533][    C0]  ? __legitimize_path+0x28/0x60
>[  512.032540][    C0]  ? try_to_unlazy+0x4c/0x90
>[  512.032546][    C0]  ? terminate_walk+0x64/0x100
>[  512.032563][    C0]  ? path_lookupat+0x98/0x140
>[  512.032578][    C0]  ? __kmem_cache_alloc_node+0x1ad/0x300
>[  512.032586][    C0]  ? btrfs_statfs+0x233/0x560 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  512.032679][    C0]  ? btrfs_statfs+0x3d9/0x560 [btrfs 44433841dc7fc1e7f2f7f3491ac44306c6788193]
>[  512.032732][    C0]  ? xen_clocksource_read+0x18/0x30
>[  512.032740][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  512.032746][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  512.032751][    C0]  __x64_sys_poll+0xa2/0x140
>[  512.032757][    C0]  do_syscall_64+0x5b/0x80
>[  512.032763][    C0]  ? _copy_to_user+0x20/0x40
>[  512.032771][    C0]  ? put_timespec64+0x3c/0x70
>[  512.032777][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  512.032784][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.032790][    C0]  ? do_syscall_64+0x67/0x80
>[  512.032795][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.032801][    C0]  ? do_syscall_64+0x67/0x80
>[  512.032806][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.032811][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.032817][    C0]  ? do_syscall_64+0x67/0x80
>[  512.032827][    C0]  ? do_syscall_64+0x67/0x80
>[  512.032837][    C0]  ? do_syscall_64+0x67/0x80
>[  512.032845][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  512.032854][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  512.032865][    C0] RIP: 0033:0x7fe3fe11f3cf
>[  512.032885][    C0] RSP: 002b:00007fffe405d1e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  512.032897][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe3fe11f3cf
>[  512.032907][    C0] RDX: 000000000000ea42 RSI: 0000000000000002 RDI: 000055e5e6baec40
>[  512.032913][    C0] RBP: 000055e5e6b89c90 R08: 0000000000000000 R09: 0000000000000000
>[  512.032919][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055e5e6baec40
>[  512.032929][    C0] R13: 000000000000ea42 R14: 00007fe3fe2f5890 R15: 0000000000000002
>[  512.032941][    C0]  </TASK>
>[  512.032949][    C0] task:gmain           state:S stack:0     pid:1721  tgid:1703  ppid:1581   flags:0x00000002
>[  512.032962][    C0] Call Trace:
>[  512.032968][    C0]  <TASK>
>[  512.032974][    C0]  __schedule+0x381/0x1530
>[  512.032983][    C0]  ? xen_extend_mmuext_op+0x20/0xe0
>[  512.032989][    C0]  ? __pfx_xen_halt+0x10/0x10
>[  512.032996][    C0]  schedule+0x24/0xb0
>[  512.033004][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  512.033014][    C0]  ? __schedule+0x389/0x1530
>[  512.033020][    C0]  ? remove_wait_queue+0x12/0x50
>[  512.033027][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  512.033033][    C0]  ? add_wait_queue+0x15/0x80
>[  512.033039][    C0]  do_sys_poll+0x3b3/0x5f0
>[  512.033045][    C0]  ? remove_wait_queue+0x12/0x50
>[  512.033057][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.033067][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.033075][    C0]  ? update_load_avg+0x217/0x780
>[  512.033085][    C0]  ? place_entity+0xd6/0x120
>[  512.033093][    C0]  ? update_load_avg+0x217/0x780
>[  512.033102][    C0]  ? update_curr+0x69/0x1f0
>[  512.033110][    C0]  ? reweight_entity+0x155/0x170
>[  512.033119][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  512.033129][    C0]  ? aa_file_perm+0x125/0x500
>[  512.033140][    C0]  ? wakeup_preempt+0x29/0x60
>[  512.033149][    C0]  ? aa_file_perm+0x125/0x500
>[  512.033158][    C0]  ? copyout+0x20/0x30
>[  512.033167][    C0]  ? _copy_to_iter+0x58/0x520
>[  512.033176][    C0]  ? _copy_from_user+0x2b/0x70
>[  512.033186][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  512.033194][    C0]  ? eventfd_write+0xc6/0x1e0
>[  512.033200][    C0]  ? eventfd_read+0x180/0x1f0
>[  512.033205][    C0]  ? __x64_sys_poll+0x37/0x140
>[  512.033211][    C0]  __x64_sys_poll+0x37/0x140
>[  512.033220][    C0]  do_syscall_64+0x5b/0x80
>[  512.033229][    C0]  ? ksys_read+0x66/0xe0
>[  512.033238][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.033247][    C0]  ? do_syscall_64+0x67/0x80
>[  512.033255][    C0]  ? __xen_evtchn_do_upcall+0x77/0xb0
>[  512.033265][    C0]  ? irq_exit_rcu+0x40/0xc0
>[  512.033272][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  512.033277][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  512.033284][    C0] RIP: 0033:0x7fe3fe11f3cf
>[  512.033293][    C0] RSP: 002b:00007fe3fd3fed10 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  512.033300][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe3fe11f3cf
>[  512.033306][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 000055e5e6b8a170
>[  512.233309][    C0] RBP: 000055e5e6b89f40 R08: 0000000000000000 R09: 0000000000000000
>[  512.233321][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055e5e6b8a170
>[  512.233338][    C0] R13: 00000000ffffffff R14: 00007fe3fe2f5890 R15: 0000000000000002
>[  512.233348][    C0]  </TASK>
>[  512.233353][    C0] task:pool-spawner    state:S stack:0     pid:1722  tgid:1703  ppid:1581   flags:0x00000002
>[  512.233363][    C0] Call Trace:
>[  512.233367][    C0]  <TASK>
>[  512.233371][    C0]  __schedule+0x381/0x1530
>[  512.233381][    C0]  ? update_load_avg+0x1a2/0x780
>[  512.233390][    C0]  ? update_curr+0x69/0x1f0
>[  512.233396][    C0]  schedule+0x24/0xb0
>[  512.233402][    C0]  futex_wait_queue+0x60/0x90
>[  512.233409][    C0]  futex_wait+0x169/0x250
>[  512.233416][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  512.233421][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  512.233429][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  512.233436][    C0]  do_futex+0x11c/0x1b0
>[  512.233442][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  512.233449][    C0]  ? do_futex+0xfb/0x1b0
>[  512.233455][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  512.233461][    C0]  do_syscall_64+0x5b/0x80
>[  512.233467][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.233474][    C0]  ? do_syscall_64+0x67/0x80
>[  512.233479][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.233484][    C0]  ? do_syscall_64+0x67/0x80
>[  512.233489][    C0]  ? exc_page_fault+0x6e/0x150
>[  512.233495][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  512.233504][    C0] RIP: 0033:0x7fe3fe12b729
>[  512.233522][    C0] RSP: 002b:00007fe3fcbfdd08 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  512.233533][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe3fe12b729
>[  512.233543][    C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000055e5e6b8bcf0
>[  512.233551][    C0] RBP: 000055e5e6b8bce0 R08: 0000000000000001 R09: 0000000000000001
>[  512.233560][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe3fcbfe648
>[  512.233569][    C0] R13: 0000000000000000 R14: 000055e5e6b8bcf0 R15: 00007fe3fc3fe000
>[  512.233579][    C0]  </TASK>
>[  512.233586][    C0] task:gdbus           state:S stack:0     pid:1737  tgid:1703  ppid:1581   flags:0x00000002
>[  512.233601][    C0] Call Trace:
>[  512.233608][    C0]  <TASK>
>[  512.233614][    C0]  __schedule+0x381/0x1530
>[  512.233623][    C0]  ? xen_mc_flush+0x87/0x230
>[  512.233634][    C0]  ? xen_load_sp0+0x130/0x170
>[  512.233646][    C0]  schedule+0x24/0xb0
>[  512.233654][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  512.233665][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  512.233675][    C0]  ? add_wait_queue+0x15/0x80
>[  512.233683][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  512.233694][    C0]  ? unix_poll+0x23/0x100
>[  512.233703][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  512.233713][    C0]  do_sys_poll+0x3b3/0x5f0
>[  512.233724][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  512.233734][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  512.233744][    C0]  ? update_load_avg+0x217/0x780
>[  512.233755][    C0]  ? update_load_avg+0x217/0x780
>[  512.233765][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.233773][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.233781][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.233789][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.233797][    C0]  ? pollwake+0x74/0xa0
>[  512.233805][    C0]  ? __pfx_default_wake_function+0x10/0x10
>[  512.233815][    C0]  ? aa_file_perm+0x125/0x500
>[  512.233826][    C0]  ? aa_file_perm+0x125/0x500
>[  512.233834][    C0]  ? copyout+0x20/0x30
>[  512.233844][    C0]  ? _copy_to_iter+0x58/0x520
>[  512.233853][    C0]  ? eventfd_write+0xc6/0x1e0
>[  512.233863][    C0]  ? eventfd_read+0x180/0x1f0
>[  512.233872][    C0]  ? __x64_sys_poll+0x37/0x140
>[  512.233880][    C0]  __x64_sys_poll+0x37/0x140
>[  512.233890][    C0]  do_syscall_64+0x5b/0x80
>[  512.233900][    C0]  ? ksys_read+0x66/0xe0
>[  512.233909][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.233918][    C0]  ? do_syscall_64+0x67/0x80
>[  512.233924][    C0]  ? ksys_write+0x66/0xe0
>[  512.233929][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.233935][    C0]  ? do_syscall_64+0x67/0x80
>[  512.233940][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.233945][    C0]  ? do_syscall_64+0x67/0x80
>[  512.233950][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  512.233955][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  512.233963][    C0] RIP: 0033:0x7fe3fe11f3cf
>[  512.233976][    C0] RSP: 002b:00007fe3f77fdd10 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  512.233983][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe3fe11f3cf
>[  512.233989][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007fe3e4000b90
>[  512.233995][    C0] RBP: 000055e5e6b9e030 R08: 0000000000000000 R09: 0000000000000000
>[  512.234001][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe3e4000b90
>[  512.234009][    C0] R13: 00000000ffffffff R14: 00007fe3fe2f5890 R15: 0000000000000002
>[  512.434034][    C0]  </TASK>
>[  512.434061][    C0] task:dconf worker    state:S stack:0     pid:1746  tgid:1703  ppid:1581   flags:0x00000002
>[  512.434088][    C0] Call Trace:
>[  512.434094][    C0]  <TASK>
>[  512.434111][    C0]  __schedule+0x381/0x1530
>[  512.434125][    C0]  ? timerqueue_add+0x7a/0x90
>[  512.434147][    C0]  schedule+0x24/0xb0
>[  512.434156][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  512.434168][    C0]  ? schedule_hrtimeout_range_clock+0xb0/0x120
>[  512.434179][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  512.434200][    C0]  do_sys_poll+0x3b3/0x5f0
>[  512.434223][    C0]  ? update_load_avg+0x217/0x780
>[  512.434235][    C0]  ? prep_new_page+0x193/0x1b0
>[  512.434245][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  512.434256][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.434265][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  512.434278][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  512.434287][    C0]  ? xen_set_pte+0x90/0x2b0
>[  512.434298][    C0]  ? set_pte_at+0x15/0x30
>[  512.434308][    C0]  ? do_pte_missing+0x426/0x7f0
>[  512.434316][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  512.434325][    C0]  ? __x64_sys_poll+0x37/0x140
>[  512.434334][    C0]  __x64_sys_poll+0x37/0x140
>[  512.434343][    C0]  do_syscall_64+0x5b/0x80
>[  512.434353][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  512.434362][    C0]  ? do_user_addr_fault+0x446/0x890
>[  512.434374][    C0]  ? exc_page_fault+0x6e/0x150
>[  512.434384][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  512.434396][    C0] RIP: 0033:0x7fe3fe11f3cf
>[  512.434415][    C0] RSP: 002b:00007fe3f6ffcd10 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  512.434427][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe3fe11f3cf
>[  512.434438][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007fe3e8000b90
>[  512.434448][    C0] RBP: 000055e5e6bae8a0 R08: 0000000000000000 R09: 0000000000000000
>[  512.434457][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe3e8000b90
>[  512.434468][    C0] R13: 00000000ffffffff R14: 00007fe3fe2f5890 R15: 0000000000000001
>[  512.434480][    C0]  </TASK>
>[  512.434487][    C0] task:gsd-power       state:S stack:0     pid:1704  tgid:1704  ppid:1581   flags:0x00000002
>[  512.434502][    C0] Call Trace:
>[  512.434508][    C0]  <TASK>
>[  512.434514][    C0]  __schedule+0x381/0x1530
>[  512.434525][    C0]  ? __remove_hrtimer+0x39/0x70
>[  512.434535][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  512.434546][    C0]  ? hrtimer_try_to_cancel+0xaf/0x100
>[  512.434555][    C0]  ? timerqueue_add+0x7a/0x90
>[  512.434566][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  512.434585][    C0]  schedule+0x24/0xb0
>[  512.434603][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  512.434614][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  512.434624][    C0]  do_sys_poll+0x3b3/0x5f0
>[  512.434634][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  512.434655][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  512.434665][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.434683][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.434691][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.434699][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.434716][    C0]  ? import_iovec+0x17/0x20
>[  512.434734][    C0]  ? copy_msghdr_from_user+0x72/0xb0
>[  512.434746][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  512.434765][    C0]  ? vfs_read+0x230/0x2e0
>[  512.434783][    C0]  ? xen_clocksource_read+0x18/0x30
>[  512.434804][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  512.434822][    C0]  ? xen_clocksource_read+0x18/0x30
>[  512.434830][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  512.434839][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  512.434847][    C0]  __x64_sys_poll+0xa2/0x140
>[  512.434855][    C0]  do_syscall_64+0x5b/0x80
>[  512.434864][    C0]  ? do_syscall_64+0x67/0x80
>[  512.434871][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.434881][    C0]  ? do_syscall_64+0x67/0x80
>[  512.434889][    C0]  ? do_syscall_64+0x67/0x80
>[  512.434896][    C0]  ? exc_page_fault+0x6e/0x150
>[  512.434913][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  512.434922][    C0] RIP: 0033:0x7f15cb31f3cf
>[  512.434931][    C0] RSP: 002b:00007ffef1bc4720 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  512.434940][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f15cb31f3cf
>[  512.434948][    C0] RDX: 000000000000824b RSI: 0000000000000003 RDI: 000055ec74e6dac0
>[  512.434956][    C0] RBP: 000055ec74e11a30 R08: 0000000000000000 R09: 0000000000000000
>[  512.633842][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055ec74e6dac0
>[  512.633856][    C0] R13: 000000000000824b R14: 00007f15cbd41890 R15: 0000000000000003
>[  512.633876][    C0]  </TASK>
>[  512.633882][    C0] task:gmain           state:S stack:0     pid:1782  tgid:1704  ppid:1581   flags:0x00000002
>[  512.633892][    C0] Call Trace:
>[  512.633896][    C0]  <TASK>
>[  512.633899][    C0]  __schedule+0x381/0x1530
>[  512.633910][    C0]  schedule+0x24/0xb0
>[  512.633916][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  512.633924][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  512.633931][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  512.633948][    C0]  do_sys_poll+0x3b3/0x5f0
>[  512.633955][    C0]  ? prep_new_page+0x193/0x1b0
>[  512.633961][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  512.633978][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.633984][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  512.633992][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  512.634008][    C0]  ? xen_set_pte+0x90/0x2b0
>[  512.634014][    C0]  ? set_pte_at+0x15/0x30
>[  512.634030][    C0]  ? do_pte_missing+0x426/0x7f0
>[  512.634035][    C0]  ? __handle_mm_fault+0x5d9/0xba0
>[  512.634041][    C0]  ? __x64_sys_poll+0x37/0x140
>[  512.634046][    C0]  __x64_sys_poll+0x37/0x140
>[  512.634061][    C0]  do_syscall_64+0x5b/0x80
>[  512.634068][    C0]  ? exc_page_fault+0x6e/0x150
>[  512.634083][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  512.634091][    C0] RIP: 0033:0x7f15cb31f3cf
>[  512.634105][    C0] RSP: 002b:00007f15c35fea50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  512.634112][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f15cb31f3cf
>[  512.634118][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055ec74e432a0
>[  512.634124][    C0] RBP: 000055ec74e43120 R08: 0000000000000000 R09: 0000000000000000
>[  512.634129][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055ec74e432a0
>[  512.634135][    C0] R13: 00000000ffffffff R14: 00007f15cbd41890 R15: 0000000000000001
>[  512.634142][    C0]  </TASK>
>[  512.634145][    C0] task:pool-spawner    state:S stack:0     pid:1783  tgid:1704  ppid:1581   flags:0x00000002
>[  512.634153][    C0] Call Trace:
>[  512.634157][    C0]  <TASK>
>[  512.634160][    C0]  __schedule+0x381/0x1530
>[  512.634167][    C0]  schedule+0x24/0xb0
>[  512.634172][    C0]  futex_wait_queue+0x60/0x90
>[  512.634180][    C0]  futex_wait+0x169/0x250
>[  512.634186][    C0]  do_futex+0x11c/0x1b0
>[  512.634191][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  512.634198][    C0]  do_syscall_64+0x5b/0x80
>[  512.634203][    C0]  ? exc_page_fault+0x6e/0x150
>[  512.634208][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  512.634214][    C0] RIP: 0033:0x7f15cb32b729
>[  512.634220][    C0] RSP: 002b:00007f15c2dfda48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  512.634226][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f15cb32b729
>[  512.634232][    C0] RDX: 0000000000000001 RSI: 0000000000000080 RDI: 000055ec74e3d710
>[  512.634238][    C0] RBP: 000055ec74e3d700 R08: 0000000000000001 R09: 0000000000000001
>[  512.634244][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f15c2dfe648
>[  512.634249][    C0] R13: 0000000000000000 R14: 000055ec74e3d710 R15: 00007f15c25fe000
>[  512.634256][    C0]  </TASK>
>[  512.634259][    C0] task:gdbus           state:S stack:0     pid:1785  tgid:1704  ppid:1581   flags:0x00000002
>[  512.634267][    C0] Call Trace:
>[  512.634271][    C0]  <TASK>
>[  512.634274][    C0]  __schedule+0x381/0x1530
>[  512.634279][    C0]  ? schedule_hrtimeout_range_clock+0x10d/0x120
>[  512.634286][    C0]  ? _raw_read_lock_irqsave+0x14/0x50
>[  512.634292][    C0]  schedule+0x24/0xb0
>[  512.634297][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  512.634304][    C0]  ? poll_freewait+0x45/0xa0
>[  512.634310][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  512.634322][    C0]  ? add_wait_queue+0x15/0x80
>[  512.634331][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  512.634341][    C0]  ? unix_poll+0x23/0x100
>[  512.634350][    C0]  do_sys_poll+0x3b3/0x5f0
>[  512.634359][    C0]  ? update_load_avg+0x217/0x780
>[  512.634367][    C0]  ? update_load_avg+0x217/0x780
>[  512.634372][    C0]  ? update_curr+0x69/0x1f0
>[  512.634379][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.634385][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.634393][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.634402][    C0]  ? eventfd_read+0x180/0x1f0
>[  512.634412][    C0]  ? vfs_read+0x230/0x2e0
>[  512.634423][    C0]  ? ksys_read+0x66/0xe0
>[  512.634430][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.634435][    C0]  ? do_syscall_64+0x67/0x80
>[  512.634441][    C0]  ? __x64_sys_poll+0x37/0x140
>[  512.634449][    C0]  __x64_sys_poll+0x37/0x140
>[  512.634458][    C0]  do_syscall_64+0x5b/0x80
>[  512.634466][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.634471][    C0]  ? do_syscall_64+0x67/0x80
>[  512.634476][    C0]  ? do_syscall_64+0x67/0x80
>[  512.634480][    C0]  ? do_syscall_64+0x67/0x80
>[  512.634485][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  512.634493][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  512.634499][    C0] RIP: 0033:0x7f15cb31f3cf
>[  512.634505][    C0] RSP: 002b:00007f15c1dfba50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  512.634511][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f15cb31f3cf
>[  512.634517][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00007f15b8000b90
>[  512.634523][    C0] RBP: 000055ec74e54bd0 R08: 0000000000000000 R09: 0000000000000000
>[  512.634528][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f15b8000b90
>[  512.634544][    C0] R13: 00000000ffffffff R14: 00007f15cbd41890 R15: 0000000000000003
>[  512.634550][    C0]  </TASK>
>[  512.634563][    C0] task:dconf worker    state:S stack:0     pid:1787  tgid:1704  ppid:1581   flags:0x00000002
>[  512.634571][    C0] Call Trace:
>[  512.634574][    C0]  <TASK>
>[  512.634577][    C0]  __schedule+0x381/0x1530
>[  512.634584][    C0]  schedule+0x24/0xb0
>[  512.634589][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  512.634596][    C0]  ? __fget_light+0xcb/0x120
>[  512.634601][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  512.634617][    C0]  do_sys_poll+0x3b3/0x5f0
>[  512.634632][    C0]  ? update_load_avg+0x217/0x780
>[  512.634639][    C0]  ? update_load_avg+0x217/0x780
>[  512.634644][    C0]  ? place_entity+0xd6/0x120
>[  512.634650][    C0]  ? update_load_avg+0x217/0x780
>[  512.634655][    C0]  ? update_curr+0x69/0x1f0
>[  512.634661][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.634676][    C0]  ? update_curr+0x69/0x1f0
>[  512.833743][    C0]  ? reweight_entity+0x155/0x170
>[  512.833765][    C0]  ? set_next_buddy+0x55/0x90
>[  512.833775][    C0]  ? aa_file_perm+0x125/0x500
>[  512.833787][    C0]  ? copyout+0x20/0x30
>[  512.833797][    C0]  ? _copy_to_iter+0x58/0x520
>[  512.833807][    C0]  ? pmu_msr_read+0x36/0xd0
>[  512.833817][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  512.833825][    C0]  ? xen_mc_flush+0x87/0x230
>[  512.833835][    C0]  ? eventfd_read+0x180/0x1f0
>[  512.833844][    C0]  ? xen_clocksource_read+0x18/0x30
>[  512.833865][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  512.833884][    C0]  ? _copy_to_user+0x20/0x40
>[  512.833894][    C0]  ? put_timespec64+0x3c/0x70
>[  512.833904][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  512.833924][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.833934][    C0]  ? do_syscall_64+0x67/0x80
>[  512.833953][    C0]  ? __x64_sys_poll+0x37/0x140
>[  512.833962][    C0]  __x64_sys_poll+0x37/0x140
>[  512.833971][    C0]  ? do_syscall_64+0x67/0x80
>[  512.833989][    C0]  do_syscall_64+0x5b/0x80
>[  512.834006][    C0]  ? do_syscall_64+0x67/0x80
>[  512.834014][    C0]  ? exc_page_fault+0x6e/0x150
>[  512.834023][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  512.834034][    C0] RIP: 0033:0x7f15cb31f3cf
>[  512.834051][    C0] RSP: 002b:00007f15c15faa50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  512.834062][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f15cb31f3cf
>[  512.834072][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007f15b0000b90
>[  512.834081][    C0] RBP: 000055ec74e6c5a0 R08: 0000000000000000 R09: 0000000000000000
>[  512.834091][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f15b0000b90
>[  512.834100][    C0] R13: 00000000ffffffff R14: 00007f15cbd41890 R15: 0000000000000001
>[  512.834111][    C0]  </TASK>
>[  512.834118][    C0] task:dconf-service   state:S stack:0     pid:1758  tgid:1758  ppid:1      flags:0x00000002
>[  512.834133][    C0] Call Trace:
>[  512.834139][    C0]  <TASK>
>[  512.834144][    C0]  __schedule+0x381/0x1530
>[  512.834156][    C0]  schedule+0x24/0xb0
>[  512.834164][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  512.834196][    C0]  ? __schedule+0x389/0x1530
>[  512.834212][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  512.834223][    C0]  do_sys_poll+0x3b3/0x5f0
>[  512.834233][    C0]  ? slab_post_alloc_hook+0x1ff/0x2e0
>[  512.834243][    C0]  ? kmem_cache_alloc_lru+0x1ab/0x410
>[  512.834252][    C0]  ? __d_alloc+0x29/0x1d0
>[  512.834262][    C0]  ? __call_rcu_common.constprop.75+0x26b/0x7f0
>[  512.834272][    C0]  ? __d_alloc+0x121/0x1d0
>[  512.834282][    C0]  ? __pfx_pollwake+0x10/0x10
>[  512.834290][    C0]  ? update_curr+0x69/0x1f0
>[  512.834300][    C0]  ? reweight_entity+0x155/0x170
>[  512.834309][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  512.834319][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  512.834329][    C0]  ? try_to_wake_up+0x29d/0x5e0
>[  512.834338][    C0]  ? pollwake+0x74/0xa0
>[  512.834345][    C0]  ? __pfx_default_wake_function+0x10/0x10
>[  512.834355][    C0]  ? __wake_up_common+0x74/0x130
>[  512.834364][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  512.834373][    C0]  ? eventfd_write+0xc6/0x1e0
>[  512.834384][    C0]  ? vfs_write+0xc5/0x380
>[  512.834393][    C0]  ? __x64_sys_poll+0x37/0x140
>[  512.834400][    C0]  ? ksys_write+0x66/0xe0
>[  512.834407][    C0]  __x64_sys_poll+0x37/0x140
>[  512.834426][    C0]  do_syscall_64+0x5b/0x80
>[  512.834444][    C0]  ? do_syscall_64+0x67/0x80
>[  512.834452][    C0]  ? ksys_write+0x66/0xe0
>[  512.834460][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.834470][    C0]  ? do_syscall_64+0x67/0x80
>[  512.834478][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.834486][    C0]  ? do_syscall_64+0x67/0x80
>[  512.834494][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  512.834502][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  512.834513][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  512.834521][    C0]  ? do_syscall_64+0x67/0x80
>[  512.834530][    C0]  ? do_syscall_64+0x67/0x80
>[  512.834538][    C0]  ? do_syscall_64+0x67/0x80
>[  512.834546][    C0]  ? exc_page_fault+0x6e/0x150
>[  512.834554][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  512.834565][    C0] RIP: 0033:0x7fe9d051f3cf
>[  512.834581][    C0] RSP: 002b:00007ffce4f3dfd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  512.834592][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe9d051f3cf
>[  512.834598][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00005610641e90a0
>[  512.834604][    C0] RBP: 00005610641ea690 R08: 0000000000000000 R09: 0000000000000000
>[  512.834610][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00005610641e90a0
>[  512.834616][    C0] R13: 00000000ffffffff R14: 00007fe9d07df890 R15: 0000000000000001
>[  512.834623][    C0]  </TASK>
>[  512.834627][    C0] task:pool-spawner    state:S stack:0     pid:1762  tgid:1758  ppid:1      flags:0x00000002
>[  512.834638][    C0] Call Trace:
>[  512.834642][    C0]  <TASK>
>[  512.834645][    C0]  __schedule+0x381/0x1530
>[  513.033665][    C0]  ? xen_make_pte+0x16/0x20
>[  513.033682][    C0]  ? __raw_callee_save_xen_make_pte+0x11/0x30
>[  513.033691][    C0]  schedule+0x24/0xb0
>[  513.033699][    C0]  futex_wait_queue+0x60/0x90
>[  513.033708][    C0]  futex_wait+0x169/0x250
>[  513.033716][    C0]  do_futex+0x11c/0x1b0
>[  513.033721][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  513.033728][    C0]  do_syscall_64+0x5b/0x80
>[  513.033735][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  513.033741][    C0]  ? do_user_addr_fault+0x267/0x890
>[  513.033748][    C0]  ? exc_page_fault+0x6e/0x150
>[  513.033755][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  513.033763][    C0] RIP: 0033:0x7fe9d052b729
>[  513.033778][    C0] RSP: 002b:00007fe9cfffed48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  513.033786][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9d052b729
>[  513.033793][    C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00005610641dfcd0
>[  513.033799][    C0] RBP: 00005610641dfcc0 R08: 0000000000000001 R09: 0000000000000001
>[  513.033805][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9cffff648
>[  513.033811][    C0] R13: 0000000000000000 R14: 00005610641dfcd0 R15: 00007fe9cf7ff000
>[  513.033819][    C0]  </TASK>
>[  513.033823][    C0] task:gmain           state:S stack:0     pid:1763  tgid:1758  ppid:1      flags:0x00000002
>[  513.033833][    C0] Call Trace:
>[  513.033836][    C0]  <TASK>
>[  513.033840][    C0]  __schedule+0x381/0x1530
>[  513.033847][    C0]  schedule+0x24/0xb0
>[  513.033853][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  513.033861][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  513.033868][    C0]  do_sys_poll+0x3b3/0x5f0
>[  513.033874][    C0]  ? __raw_callee_save_xen_pud_val+0x11/0x30
>[  513.033883][    C0]  ? mas_wr_node_store+0x296/0x590
>[  513.033890][    C0]  ? trace_event_raw_event_mmap_lock+0xe0/0xe0
>[  513.033898][    C0]  ? ___slab_alloc+0x3ef/0x970
>[  513.033904][    C0]  ? prep_new_page+0x193/0x1b0
>[  513.033910][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.033917][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  513.033926][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  513.033932][    C0]  ? xen_set_pte+0x90/0x2b0
>[  513.033942][    C0]  ? set_pte_at+0x15/0x30
>[  513.033952][    C0]  ? do_pte_missing+0x426/0x7f0
>[  513.033961][    C0]  ? __x64_sys_poll+0x37/0x140
>[  513.033968][    C0]  __x64_sys_poll+0x37/0x140
>[  513.033974][    C0]  do_syscall_64+0x5b/0x80
>[  513.033984][    C0]  ? __count_memcg_events+0x46/0x90
>[  513.033992][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  513.033998][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  513.034003][    C0]  ? do_user_addr_fault+0x267/0x890
>[  513.034012][    C0]  ? exc_page_fault+0x6e/0x150
>[  513.034022][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  513.034030][    C0] RIP: 0033:0x7fe9d051f3cf
>[  513.034039][    C0] RSP: 002b:00007fe9cf7fdd50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  513.034047][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe9d051f3cf
>[  513.034058][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00005610641ecf40
>[  513.034067][    C0] RBP: 00005610641eccd0 R08: 0000000000000000 R09: 0000000000000000
>[  513.034076][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00005610641ecf40
>[  513.034085][    C0] R13: 00000000ffffffff R14: 00007fe9d07df890 R15: 0000000000000001
>[  513.034095][    C0]  </TASK>
>[  513.034100][    C0] task:gdbus           state:S stack:0     pid:1771  tgid:1758  ppid:1      flags:0x00000002
>[  513.034114][    C0] Call Trace:
>[  513.034119][    C0]  <TASK>
>[  513.034124][    C0]  __schedule+0x381/0x1530
>[  513.034133][    C0]  ? set_next_buddy+0x55/0x90
>[  513.034141][    C0]  schedule+0x24/0xb0
>[  513.034149][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  513.034159][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  513.034168][    C0]  ? add_wait_queue+0x15/0x80
>[  513.034209][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  513.034224][    C0]  ? unix_poll+0x23/0x100
>[  513.034232][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  513.034242][    C0]  do_sys_poll+0x3b3/0x5f0
>[  513.034252][    C0]  ? ep_poll_callback+0x249/0x2c0
>[  513.034263][    C0]  ? __wake_up_common+0x74/0x130
>[  513.034271][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  513.034281][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  513.034290][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.034299][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.034306][    C0]  ? sock_sendmsg+0x92/0xa0
>[  513.034315][    C0]  ? ____sys_sendmsg+0x207/0x2a0
>[  513.034324][    C0]  ? ___sys_sendmsg+0x9a/0xd0
>[  513.034332][    C0]  ? pmu_msr_read+0x36/0xd0
>[  513.034337][    C0]  ? xen_extend_mmuext_op+0x20/0xe0
>[  513.034343][    C0]  ? xen_mc_flush+0x87/0x230
>[  513.034348][    C0]  ? xen_load_sp0+0x16a/0x170
>[  513.034354][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  513.034362][    C0]  ? __x64_sys_poll+0x37/0x140
>[  513.034367][    C0]  __x64_sys_poll+0x37/0x140
>[  513.034372][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.034379][    C0]  do_syscall_64+0x5b/0x80
>[  513.034384][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  513.034389][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  513.034397][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.034402][    C0]  ? do_syscall_64+0x67/0x80
>[  513.034407][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  513.034412][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  513.034418][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.034423][    C0]  ? do_syscall_64+0x67/0x80
>[  513.034428][    C0]  ? do_syscall_64+0x67/0x80
>[  513.034433][    C0]  ? exc_page_fault+0x6e/0x150
>[  513.034438][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  513.034445][    C0] RIP: 0033:0x7fe9d051f3cf
>[  513.034456][    C0] RSP: 002b:00007fe9ceffcd50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  513.034463][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe9d051f3cf
>[  513.233958][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007fe9c4000b90
>[  513.233971][    C0] RBP: 00005610641f97f0 R08: 0000000000000000 R09: 0000000000000000
>[  513.233986][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe9c4000b90
>[  513.233992][    C0] R13: 00000000ffffffff R14: 00007fe9d07df890 R15: 0000000000000002
>[  513.234003][    C0]  </TASK>
>[  513.234009][    C0] task:gsd-printer     state:S stack:0     pid:1775  tgid:1775  ppid:1      flags:0x00000002
>[  513.234019][    C0] Call Trace:
>[  513.234023][    C0]  <TASK>
>[  513.234026][    C0]  __schedule+0x381/0x1530
>[  513.234037][    C0]  ? timerqueue_add+0x7a/0x90
>[  513.234045][    C0]  schedule+0x24/0xb0
>[  513.234051][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  513.234068][    C0]  ? poll_freewait+0x45/0xa0
>[  513.234084][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  513.234090][    C0]  do_sys_poll+0x3b3/0x5f0
>[  513.234097][    C0]  ? pmu_msr_read+0x36/0xd0
>[  513.234104][    C0]  ? xen_mc_flush+0x87/0x230
>[  513.234120][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.234135][    C0]  ? schedule+0x24/0xb0
>[  513.234140][    C0]  ? futex_wait_queue+0x60/0x90
>[  513.234148][    C0]  ? aa_file_perm+0x125/0x500
>[  513.234155][    C0]  ? futex_wait+0x173/0x250
>[  513.234171][    C0]  ? copyout+0x20/0x30
>[  513.234187][    C0]  ? _copy_to_iter+0x58/0x520
>[  513.234194][    C0]  ? futex_wake+0x78/0x160
>[  513.234199][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  513.234207][    C0]  ? xen_clocksource_read+0x18/0x30
>[  513.234213][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  513.234219][    C0]  ? __x64_sys_poll+0x37/0x140
>[  513.234225][    C0]  __x64_sys_poll+0x37/0x140
>[  513.234230][    C0]  ? do_syscall_64+0x67/0x80
>[  513.234235][    C0]  do_syscall_64+0x5b/0x80
>[  513.234240][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.234246][    C0]  ? do_syscall_64+0x67/0x80
>[  513.234251][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  513.234259][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.234264][    C0]  ? do_syscall_64+0x67/0x80
>[  513.234269][    C0]  ? exc_page_fault+0x6e/0x150
>[  513.234274][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  513.234281][    C0] RIP: 0033:0x7f3b6691f3cf
>[  513.234296][    C0] RSP: 002b:00007fffcb2dfb60 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  513.234302][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3b6691f3cf
>[  513.234308][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055cfbf325f30
>[  513.234314][    C0] RBP: 000055cfbf353a00 R08: 0000000000000000 R09: 0000000000000000
>[  513.234320][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055cfbf325f30
>[  513.234326][    C0] R13: 00000000ffffffff R14: 00007f3b6771b890 R15: 0000000000000001
>[  513.234332][    C0]  </TASK>
>[  513.234336][    C0] task:pool-spawner    state:S stack:0     pid:1799  tgid:1775  ppid:1      flags:0x00000002
>[  513.234344][    C0] Call Trace:
>[  513.234348][    C0]  <TASK>
>[  513.234351][    C0]  __schedule+0x381/0x1530
>[  513.234357][    C0]  ? sched_slice+0x80/0x140
>[  513.234364][    C0]  ? sched_clock_cpu+0xd/0x190
>[  513.234371][    C0]  schedule+0x24/0xb0
>[  513.234376][    C0]  futex_wait_queue+0x60/0x90
>[  513.234383][    C0]  futex_wait+0x169/0x250
>[  513.234388][    C0]  ? update_load_avg+0x217/0x780
>[  513.234398][    C0]  ? place_entity+0xd6/0x120
>[  513.234409][    C0]  ? update_load_avg+0x217/0x780
>[  513.234418][    C0]  ? update_curr+0x69/0x1f0
>[  513.234428][    C0]  ? reweight_entity+0x155/0x170
>[  513.234438][    C0]  do_futex+0x11c/0x1b0
>[  513.234447][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  513.234457][    C0]  do_syscall_64+0x5b/0x80
>[  513.234466][    C0]  ? do_futex+0xfb/0x1b0
>[  513.234474][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  513.234483][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  513.234491][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.234499][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.234508][    C0]  ? do_syscall_64+0x67/0x80
>[  513.234516][    C0]  ? exc_page_fault+0x6e/0x150
>[  513.234523][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  513.234533][    C0] RIP: 0033:0x7f3b6692b729
>[  513.234543][    C0] RSP: 002b:00007f3b5d9fe848 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  513.234549][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3b6692b729
>[  513.234555][    C0] RDX: 0000000000000002 RSI: 0000000000000080 RDI: 000055cfbf34a6a0
>[  513.234561][    C0] RBP: 000055cfbf34a690 R08: 00007fffcb2dfa70 R09: 0000000000000001
>[  513.234566][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3b5d9ff648
>[  513.234572][    C0] R13: 0000000000000000 R14: 000055cfbf34a6a0 R15: 00007f3b5d1ff000
>[  513.234579][    C0]  </TASK>
>[  513.234592][    C0] task:gmain           state:S stack:0     pid:1800  tgid:1775  ppid:1      flags:0x00000002
>[  513.234600][    C0] Call Trace:
>[  513.234603][    C0]  <TASK>
>[  513.234606][    C0]  __schedule+0x381/0x1530
>[  513.234612][    C0]  schedule+0x24/0xb0
>[  513.234617][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  513.234624][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  513.234630][    C0]  do_sys_poll+0x3b3/0x5f0
>[  513.234635][    C0]  ? mas_update_gap.part.50+0x1c7/0x1f0
>[  513.234643][    C0]  ? __raw_callee_save_xen_pud_val+0x11/0x30
>[  513.433693][    C0]  ? __raw_callee_save_xen_pmd_val+0x11/0x30
>[  513.433720][    C0]  ? unmap_page_range+0xe13/0x1160
>[  513.433728][    C0]  ? ___slab_alloc+0x3ef/0x970
>[  513.433734][    C0]  ? ___slab_alloc+0x3ef/0x970
>[  513.433739][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.433756][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  513.433764][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  513.433770][    C0]  ? xen_set_pte+0x90/0x2b0
>[  513.433776][    C0]  ? set_pte_at+0x15/0x30
>[  513.433781][    C0]  ? do_pte_missing+0x426/0x7f0
>[  513.433786][    C0]  ? __x64_sys_poll+0x37/0x140
>[  513.433792][    C0]  __x64_sys_poll+0x37/0x140
>[  513.433797][    C0]  do_syscall_64+0x5b/0x80
>[  513.433804][    C0]  ? __count_memcg_events+0x46/0x90
>[  513.433810][    C0]  ? count_memcg_event_mm+0x47/0x60
>[  513.433816][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  513.433831][    C0]  ? do_user_addr_fault+0x267/0x890
>[  513.433839][    C0]  ? exc_page_fault+0x6e/0x150
>[  513.433855][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  513.433862][    C0] RIP: 0033:0x7f3b6691f3cf
>[  513.433874][    C0] RSP: 002b:00007f3b5d1fd850 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  513.433881][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3b6691f3cf
>[  513.433887][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 000055cfbf30d5e0
>[  513.433893][    C0] RBP: 000055cfbf34c0e0 R08: 0000000000000000 R09: 0000000000000000
>[  513.433898][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000055cfbf30d5e0
>[  513.433905][    C0] R13: 00000000ffffffff R14: 00007f3b6771b890 R15: 0000000000000001
>[  513.433911][    C0]  </TASK>
>[  513.433916][    C0] task:gdbus           state:S stack:0     pid:1802  tgid:1775  ppid:1      flags:0x00000002
>[  513.433925][    C0] Call Trace:
>[  513.433928][    C0]  <TASK>
>[  513.433932][    C0]  __schedule+0x381/0x1530
>[  513.433939][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  513.433947][    C0]  ? __wake_up_common_lock+0x40/0xd0
>[  513.433953][    C0]  schedule+0x24/0xb0
>[  513.433958][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  513.433965][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  513.433971][    C0]  ? add_wait_queue+0x15/0x80
>[  513.433976][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  513.433983][    C0]  ? unix_poll+0x23/0x100
>[  513.433988][    C0]  do_sys_poll+0x3b3/0x5f0
>[  513.433994][    C0]  ? update_load_avg+0x217/0x780
>[  513.434001][    C0]  ? update_load_avg+0x217/0x780
>[  513.434007][    C0]  ? update_load_avg+0x217/0x780
>[  513.434013][    C0]  ? update_curr+0x69/0x1f0
>[  513.434019][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.434024][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.434029][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.434034][    C0]  ? eventfd_read+0x180/0x1f0
>[  513.434041][    C0]  ? vfs_read+0x230/0x2e0
>[  513.434047][    C0]  ? ksys_read+0x66/0xe0
>[  513.434053][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.434058][    C0]  ? do_syscall_64+0x67/0x80
>[  513.434064][    C0]  ? __x64_sys_poll+0x37/0x140
>[  513.434069][    C0]  ? __x64_sys_poll+0x37/0x140
>[  513.434074][    C0]  __x64_sys_poll+0x37/0x140
>[  513.434079][    C0]  do_syscall_64+0x5b/0x80
>[  513.434084][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.434089][    C0]  ? do_syscall_64+0x67/0x80
>[  513.434093][    C0]  ? exc_page_fault+0x6e/0x150
>[  513.434099][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  513.434105][    C0] RIP: 0033:0x7f3b6691f3cf
>[  513.434110][    C0] RSP: 002b:00007f3b5c9fc850 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  513.434116][    C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3b6691f3cf
>[  513.434122][    C0] RDX: 00000000ffffffff RSI: 0000000000000003 RDI: 00007f3b54000b90
>[  513.434127][    C0] RBP: 000055cfbf358050 R08: 0000000000000000 R09: 0000000000000000
>[  513.434133][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3b54000b90
>[  513.434138][    C0] R13: 00000000ffffffff R14: 00007f3b6771b890 R15: 0000000000000003
>[  513.434145][    C0]  </TASK>
>[  513.434148][    C0] task:pulseaudio      state:S stack:0     pid:1781  tgid:1781  ppid:1568   flags:0x00000002
>[  513.434156][    C0] Call Trace:
>[  513.434160][    C0]  <TASK>
>[  513.434163][    C0]  __schedule+0x381/0x1530
>[  513.434169][    C0]  schedule+0x24/0xb0
>[  513.434174][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  513.434180][    C0]  ? __get_free_pages+0xd/0x40
>[  513.434186][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  513.434191][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  513.434197][    C0]  ? add_wait_queue+0x15/0x80
>[  513.434202][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  513.434208][    C0]  ? add_wait_queue+0x15/0x80
>[  513.434212][    C0]  do_sys_poll+0x3b3/0x5f0
>[  513.434219][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.434224][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.434228][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.434233][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.434238][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.434243][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.434247][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.634000][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.634025][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.634031][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.634036][    C0]  ? __x64_sys_ppoll+0xad/0xe0
>[  513.634041][    C0]  __x64_sys_ppoll+0xad/0xe0
>[  513.634048][    C0]  do_syscall_64+0x5b/0x80
>[  513.634055][    C0]  ? do_syscall_64+0x67/0x80
>[  513.634060][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.634067][    C0]  ? do_syscall_64+0x67/0x80
>[  513.634071][    C0]  ? do_syscall_64+0x67/0x80
>[  513.634076][    C0]  ? do_syscall_64+0x67/0x80
>[  513.634081][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  513.634089][    C0] RIP: 0033:0x7efc18d1f966
>[  513.634103][    C0] RSP: 002b:00007ffdcce53870 EFLAGS: 00000293 ORIG_RAX: 000000000000010f
>[  513.634110][    C0] RAX: ffffffffffffffda RBX: 00005626e59b3a90 RCX: 00007efc18d1f966
>[  513.634117][    C0] RDX: 0000000000000000 RSI: 000000000000000d RDI: 00005626e59c2280
>[  513.634122][    C0] RBP: 00005626e59b3a90 R08: 0000000000000008 R09: 0000000000000000
>[  513.634128][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
>[  513.634134][    C0] R13: 00005626e59b4d50 R14: 00005626e59dac20 R15: 0000000000000001
>[  513.634141][    C0]  </TASK>
>[  513.634146][    C0] task:null-sink       state:S stack:0     pid:1806  tgid:1781  ppid:1568   flags:0x00000002
>[  513.634156][    C0] Call Trace:
>[  513.634159][    C0]  <TASK>
>[  513.634162][    C0]  __schedule+0x381/0x1530
>[  513.634170][    C0]  ? __schedule+0x389/0x1530
>[  513.634176][    C0]  schedule+0x24/0xb0
>[  513.634181][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  513.634189][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  513.634195][    C0]  do_sys_poll+0x3b3/0x5f0
>[  513.634200][    C0]  ? remove_wait_queue+0x12/0x50
>[  513.634209][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.634214][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.634219][    C0]  ? update_load_avg+0x217/0x780
>[  513.634226][    C0]  ? place_entity+0xd6/0x120
>[  513.634232][    C0]  ? update_load_avg+0x217/0x780
>[  513.634238][    C0]  ? update_curr+0x69/0x1f0
>[  513.634243][    C0]  ? reweight_entity+0x155/0x170
>[  513.634249][    C0]  ? check_preempt_wakeup_fair+0x23d/0x2c0
>[  513.634256][    C0]  ? wakeup_preempt+0x29/0x60
>[  513.634262][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  513.634267][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  513.634273][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  513.634279][    C0]  ? wake_up_q+0x49/0x90
>[  513.634283][    C0]  ? futex_wake+0x140/0x160
>[  513.634291][    C0]  ? __x64_sys_ppoll+0xad/0xe0
>[  513.634296][    C0]  __x64_sys_ppoll+0xad/0xe0
>[  513.634301][    C0]  do_syscall_64+0x5b/0x80
>[  513.634306][    C0]  ? do_syscall_64+0x67/0x80
>[  513.634311][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.634316][    C0]  ? do_syscall_64+0x67/0x80
>[  513.634321][    C0]  ? _copy_to_user+0x20/0x40
>[  513.634328][    C0]  ? put_timespec64+0x3c/0x70
>[  513.634334][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  513.634340][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.634345][    C0]  ? do_syscall_64+0x67/0x80
>[  513.634350][    C0]  ? do_syscall_64+0x67/0x80
>[  513.634354][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.634360][    C0]  ? do_syscall_64+0x67/0x80
>[  513.634364][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  513.634371][    C0] RIP: 0033:0x7efc18d1f966
>[  513.634376][    C0] RSP: 002b:00007efc11bfec60 EFLAGS: 00000293 ORIG_RAX: 000000000000010f
>[  513.634382][    C0] RAX: ffffffffffffffda RBX: 00007efc11bfecb0 RCX: 00007efc18d1f966
>[  513.634388][    C0] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00005626e59b3c10
>[  513.634394][    C0] RBP: 00005626e59cdbe0 R08: 0000000000000008 R09: 0000000000000000
>[  513.634399][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
>[  513.634405][    C0] R13: 0000000002b3a739 R14: 000000000005639c R15: 00005626e59d1ab0
>[  513.634411][    C0]  </TASK>
>[  513.634415][    C0] task:rtkit-daemon    state:S stack:0     pid:1786  tgid:1786  ppid:1      flags:0x00000002
>[  513.634423][    C0] Call Trace:
>[  513.634427][    C0]  <TASK>
>[  513.634430][    C0]  __schedule+0x381/0x1530
>[  513.634436][    C0]  ? wakeup_preempt+0x29/0x60
>[  513.634441][    C0]  schedule+0x24/0xb0
>[  513.634446][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  513.634453][    C0]  ? ep_autoremove_wake_function+0xe/0x30
>[  513.634460][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  513.634465][    C0]  ? add_wait_queue+0x15/0x80
>[  513.634470][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  513.634477][    C0]  ? unix_poll+0x23/0x100
>[  513.634482][    C0]  do_sys_poll+0x3b3/0x5f0
>[  513.634488][    C0]  ? __wake_up_common+0x74/0x130
>[  513.634493][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  513.634499][    C0]  ? __wake_up_common_lock+0x8e/0xd0
>[  513.634514][    C0]  ? sock_def_readable+0x3e/0xc0
>[  513.634531][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.833614][    C0]  ? sock_sendmsg+0x92/0xa0
>[  513.833626][    C0]  ? ____sys_sendmsg+0x207/0x2a0
>[  513.833642][    C0]  ? ___sys_sendmsg+0x9a/0xd0
>[  513.833648][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  513.833655][    C0]  ? ___sys_recvmsg+0x9e/0xe0
>[  513.833661][    C0]  ? __x64_sys_poll+0x37/0x140
>[  513.833677][    C0]  __x64_sys_poll+0x37/0x140
>[  513.833682][    C0]  do_syscall_64+0x5b/0x80
>[  513.833688][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.833705][    C0]  ? do_syscall_64+0x67/0x80
>[  513.833720][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.833725][    C0]  ? do_syscall_64+0x67/0x80
>[  513.833730][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.833736][    C0]  ? do_syscall_64+0x67/0x80
>[  513.833740][    C0]  ? do_syscall_64+0x67/0x80
>[  513.833745][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  513.833763][    C0] RIP: 0033:0x7f5afbf1f3cf
>[  513.833783][    C0] RSP: 002b:00007ffce48add90 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  513.833790][    C0] RAX: ffffffffffffffda RBX: 00005584a9f25f10 RCX: 00007f5afbf1f3cf
>[  513.833796][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00007ffce48addd0
>[  513.833802][    C0] RBP: 00005584a9f25f10 R08: 0000000000000000 R09: 0000000000000000
>[  513.833808][    C0] R10: 00005584a9f26c20 R11: 0000000000000293 R12: 00000000ffffffff
>[  513.833813][    C0] R13: 0000000000000006 R14: 00007ffce48addd0 R15: 0000000000000004
>[  513.833820][    C0]  </TASK>
>[  513.833825][    C0] task:rtkit-daemon    state:S stack:0     pid:1788  tgid:1786  ppid:1      flags:0x00000002
>[  513.833833][    C0] Call Trace:
>[  513.833837][    C0]  <TASK>
>[  513.833840][    C0]  __schedule+0x381/0x1530
>[  513.833847][    C0]  ? timerqueue_add+0x7a/0x90
>[  513.833854][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  513.833861][    C0]  schedule+0x24/0xb0
>[  513.833866][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  513.833874][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  513.833880][    C0]  do_sys_poll+0x3b3/0x5f0
>[  513.833885][    C0]  ? hrtimer_start_range_ns+0x13a/0x310
>[  513.833892][    C0]  ? enqueue_task_rt+0x193/0x300
>[  513.833897][    C0]  ? activate_task+0x62/0x170
>[  513.833902][    C0]  ? wakeup_preempt+0x57/0x60
>[  513.833908][    C0]  ? __pfx_task_woken_rt+0x10/0x10
>[  513.833914][    C0]  ? ttwu_do_activate+0x8a/0x1e0
>[  513.833919][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.833924][    C0]  ? pmu_msr_read+0x36/0xd0
>[  513.833930][    C0]  ? xen_mc_flush+0x87/0x230
>[  513.833936][    C0]  ? xen_load_sp0+0x16a/0x170
>[  513.833942][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  513.833949][    C0]  ? __schedule+0x389/0x1530
>[  513.833954][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  513.833962][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  513.833968][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  513.833973][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  513.833980][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  513.833985][    C0]  ? do_syscall_64+0x67/0x80
>[  513.833990][    C0]  ? xen_clocksource_read+0x18/0x30
>[  513.833997][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  513.834002][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  513.834007][    C0]  __x64_sys_poll+0xa2/0x140
>[  513.834013][    C0]  do_syscall_64+0x5b/0x80
>[  513.834017][    C0]  ? do_syscall_64+0x67/0x80
>[  513.834022][    C0]  ? do_syscall_64+0x67/0x80
>[  513.834027][    C0]  ? xen_pv_evtchn_do_upcall+0x8f/0xa0
>[  513.834032][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  513.834038][    C0] RIP: 0033:0x7f5afbf1f3cf
>[  513.834043][    C0] RSP: 002b:00007f5afb93fd70 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  513.834049][    C0] RAX: ffffffffffffffda RBX: 0000000000079764 RCX: 00007f5afbf1f3cf
>[  513.834055][    C0] RDX: 0000000000001388 RSI: 0000000000000001 RDI: 00007f5afb93fdb8
>[  513.834061][    C0] RBP: 431bde82d7b634db R08: 0000000000000000 R09: 00007f5afb9406c0
>[  513.834066][    C0] R10: 00007f5afb93fd90 R11: 0000000000000293 R12: 000000001e4836cf
>[  513.834072][    C0] R13: 0000000000000000 R14: 00007f5afb93fdc0 R15: 00000000000001f1
>[  513.834078][    C0]  </TASK>
>[  513.834081][    C0] task:rtkit-daemon    state:S stack:0     pid:1789  tgid:1786  ppid:1      flags:0x00000002
>[  513.834089][    C0] Call Trace:
>[  513.834093][    C0]  <TASK>
>[  513.834096][    C0]  __schedule+0x381/0x1530
>[  513.834101][    C0]  ? __schedule+0x389/0x1530
>[  513.834107][    C0]  ? timerqueue_add+0x7a/0x90
>[  513.834113][    C0]  ? enqueue_hrtimer+0x2f/0x80
>[  513.834119][    C0]  schedule+0x24/0xb0
>[  513.834124][    C0]  schedule_hrtimeout_range_clock+0xa8/0x120
>[  513.834130][    C0]  ? __pfx_hrtimer_wakeup+0x10/0x10
>[  513.834136][    C0]  do_sys_poll+0x3b3/0x5f0
>[  513.834142][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  513.834148][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.834153][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.834158][    C0]  ? aa_file_perm+0x125/0x500
>[  513.834174][    C0]  ? aa_file_perm+0x125/0x500
>[  513.834189][    C0]  ? copyout+0x20/0x30
>[  513.834195][    C0]  ? _copy_to_iter+0x58/0x520
>[  513.834201][    C0]  ? copyout+0x20/0x30
>[  513.834205][    C0]  ? _copy_to_iter+0x58/0x520
>[  513.834211][    C0]  ? _copy_to_iter+0x58/0x520
>[  513.834226][    C0]  ? __pfx_pollwake+0x10/0x10
>[  513.834231][    C0]  ? eventfd_read+0x180/0x1f0
>[  513.834237][    C0]  ? eventfd_read+0x180/0x1f0
>[  513.834252][    C0]  ? vfs_read+0x230/0x2e0
>[  513.834258][    C0]  ? xen_clocksource_read+0x18/0x30
>[  513.834264][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  514.034331][    C0]  ? __x64_sys_poll+0xa2/0x140
>[  514.034357][    C0]  __x64_sys_poll+0xa2/0x140
>[  514.034363][    C0]  do_syscall_64+0x5b/0x80
>[  514.034370][    C0]  ? do_syscall_64+0x67/0x80
>[  514.034375][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  514.034390][    C0]  ? _copy_to_user+0x20/0x40
>[  514.034398][    C0]  ? put_timespec64+0x3c/0x70
>[  514.034404][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  514.034411][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.034427][    C0]  ? do_syscall_64+0x67/0x80
>[  514.034431][    C0]  ? do_syscall_64+0x67/0x80
>[  514.034446][    C0]  ? do_syscall_64+0x67/0x80
>[  514.034451][    C0]  ? do_syscall_64+0x67/0x80
>[  514.034455][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.034463][    C0] RIP: 0033:0x7f5afbf1f3cf
>[  514.034477][    C0] RSP: 002b:00007f5afb13ed60 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  514.034484][    C0] RAX: ffffffffffffffda RBX: 0000000000079764 RCX: 00007f5afbf1f3cf
>[  514.034491][    C0] RDX: 0000000000002710 RSI: 0000000000000002 RDI: 00007f5afb13edc0
>[  514.034497][    C0] RBP: 431bde82d7b634db R08: 0000000000000000 R09: 00007f5afb13f6c0
>[  514.034513][    C0] R10: 00007f5afb13ed80 R11: 0000000000000293 R12: 000000001e486f66
>[  514.034518][    C0] R13: 0000000000079568 R14: 00007f5afb13edb0 R15: 00007f5afb13edc0
>[  514.034535][    C0]  </TASK>
>[  514.034541][    C0] task:dbus-daemon     state:S stack:0     pid:1813  tgid:1813  ppid:1568   flags:0x00000002
>[  514.034550][    C0] Call Trace:
>[  514.034554][    C0]  <TASK>
>[  514.034557][    C0]  __schedule+0x381/0x1530
>[  514.034564][    C0]  ? ___sys_recvmsg+0x10/0xe0
>[  514.034572][    C0]  schedule+0x24/0xb0
>[  514.034577][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.034585][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  514.034591][    C0]  ? ep_done_scan+0xb9/0x100
>[  514.034597][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  514.034603][    C0]  ? ep_done_scan+0xb9/0x100
>[  514.034609][    C0]  do_epoll_wait+0x59b/0x6f0
>[  514.034615][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  514.034622][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  514.034629][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  514.034634][    C0]  do_syscall_64+0x5b/0x80
>[  514.034639][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  514.034645][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.034650][    C0]  ? do_syscall_64+0x67/0x80
>[  514.034655][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.034660][    C0]  ? do_syscall_64+0x67/0x80
>[  514.034665][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  514.034672][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.034678][    C0] RIP: 0033:0x7ff9dbb2de23
>[  514.034684][    C0] RSP: 002b:00007fff512bb828 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  514.034690][    C0] RAX: ffffffffffffffda RBX: 00007fff512bb830 RCX: 00007ff9dbb2de23
>[  514.034696][    C0] RDX: 0000000000000040 RSI: 00007fff512bb830 RDI: 0000000000000004
>[  514.034701][    C0] RBP: 00007fff512bbbd0 R08: 0000000000000000 R09: 0000000000000000
>[  514.034707][    C0] R10: 00000000ffffffff R11: 0000000000000202 R12: ffffffffffffffff
>[  514.034713][    C0] R13: 0000000000000001 R14: 0000559f22018c90 R15: 00007fff512bbb94
>[  514.034719][    C0]  </TASK>
>[  514.034723][    C0] task:pipewire        state:S stack:0     pid:1822  tgid:1822  ppid:1568   flags:0x00000002
>[  514.034731][    C0] Call Trace:
>[  514.034734][    C0]  <TASK>
>[  514.034737][    C0]  __schedule+0x381/0x1530
>[  514.034743][    C0]  ? ___sys_sendmsg+0x9a/0xd0
>[  514.034750][    C0]  schedule+0x24/0xb0
>[  514.034755][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.034761][    C0]  ? sock_poll+0x57/0xe0
>[  514.034766][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  514.034771][    C0]  ? ep_done_scan+0xb9/0x100
>[  514.034777][    C0]  do_epoll_wait+0x59b/0x6f0
>[  514.034783][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  514.034790][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  514.034795][    C0]  ? syscall_trace_enter.isra.16+0xa9/0x1b0
>[  514.034812][    C0]  do_syscall_64+0x5b/0x80
>[  514.034817][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.034832][    C0]  ? do_syscall_64+0x67/0x80
>[  514.034837][    C0]  ? exc_page_fault+0x6e/0x150
>[  514.034842][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.034848][    C0] RIP: 0033:0x7fb52032de66
>[  514.034853][    C0] RSP: 002b:00007ffdfcfd3570 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
>[  514.034859][    C0] RAX: ffffffffffffffda RBX: 00007ffdfcfd37f0 RCX: 00007fb52032de66
>[  514.034865][    C0] RDX: 0000000000000020 RSI: 00007ffdfcfd35a0 RDI: 0000000000000004
>[  514.034871][    C0] RBP: 00007ffdfcfd3740 R08: 0000000000000000 R09: 00007ffdfcfd37f0
>[  514.034876][    C0] R10: 00000000ffffffff R11: 0000000000000293 R12: 00000000ffffffff
>[  514.034882][    C0] R13: 000055da532cf080 R14: 0000000000000000 R15: 00007fb520578000
>[  514.034898][    C0]  </TASK>
>[  514.034901][    C0] task:pipewire        state:S stack:0     pid:1829  tgid:1822  ppid:1568   flags:0x00000002
>[  514.034918][    C0] Call Trace:
>[  514.034921][    C0]  <TASK>
>[  514.034934][    C0]  __schedule+0x381/0x1530
>[  514.034940][    C0]  schedule+0x24/0xb0
>[  514.034955][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.034961][    C0]  ? vfs_read+0x230/0x2e0
>[  514.034967][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  514.034972][    C0]  ? ep_done_scan+0xb9/0x100
>[  514.034988][    C0]  do_epoll_wait+0x59b/0x6f0
>[  514.235027][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  514.235045][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  514.235052][    C0]  ? syscall_trace_enter.isra.16+0xa9/0x1b0
>[  514.235061][    C0]  do_syscall_64+0x5b/0x80
>[  514.235078][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  514.235085][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.235103][    C0] RIP: 0033:0x7fb52032de66
>[  514.235117][    C0] RSP: 002b:00007fb51e583990 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
>[  514.235124][    C0] RAX: ffffffffffffffda RBX: 00007fb51e583c10 RCX: 00007fb52032de66
>[  514.235140][    C0] RDX: 0000000000000020 RSI: 00007fb51e5839c0 RDI: 0000000000000009
>[  514.235156][    C0] RBP: 00007fb51e583b60 R08: 0000000000000000 R09: 00007fb51e583c10
>[  514.235161][    C0] R10: 00000000ffffffff R11: 0000000000000293 R12: 00000000ffffffff
>[  514.235167][    C0] R13: 0000000000000000 R14: 00007ffdfcfd3710 R15: 00007fb51dd84000
>[  514.235174][    C0]  </TASK>
>[  514.235179][    C0] task:wireplumber     state:S stack:0     pid:1823  tgid:1823  ppid:1568   flags:0x00000002
>[  514.235189][    C0] Call Trace:
>[  514.235193][    C0]  <TASK>
>[  514.235196][    C0]  __schedule+0x381/0x1530
>[  514.235204][    C0]  ? __schedule+0x389/0x1530
>[  514.235210][    C0]  schedule+0x24/0xb0
>[  514.235215][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.235222][    C0]  ? _raw_write_unlock_irq+0xd/0x30
>[  514.235229][    C0]  ? __ep_eventpoll_poll+0x146/0x170
>[  514.235235][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  514.235241][    C0]  ? add_wait_queue+0x15/0x80
>[  514.235246][    C0]  do_sys_poll+0x3b3/0x5f0
>[  514.235255][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.235260][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.235265][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.235269][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.235274][    C0]  ? inotify_read+0x1e8/0x430
>[  514.235280][    C0]  ? __kmem_cache_free+0x14c/0x2f0
>[  514.235286][    C0]  ? aa_file_perm+0x125/0x500
>[  514.235294][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  514.235301][    C0]  ? inotify_read+0x210/0x430
>[  514.235306][    C0]  ? aa_file_perm+0x125/0x500
>[  514.235312][    C0]  ? copyout+0x20/0x30
>[  514.235318][    C0]  ? _copy_to_iter+0x58/0x520
>[  514.235324][    C0]  ? aa_file_perm+0x125/0x500
>[  514.235330][    C0]  ? __pfx_woken_wake_function+0x10/0x10
>[  514.235337][    C0]  ? __x64_sys_poll+0x37/0x140
>[  514.235342][    C0]  __x64_sys_poll+0x37/0x140
>[  514.235347][    C0]  do_syscall_64+0x5b/0x80
>[  514.235352][    C0]  ? ksys_read+0x66/0xe0
>[  514.235358][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.235364][    C0]  ? do_syscall_64+0x67/0x80
>[  514.235369][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.235374][    C0]  ? do_syscall_64+0x67/0x80
>[  514.235379][    C0]  ? do_syscall_64+0x67/0x80
>[  514.235383][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  514.235390][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.235396][    C0] RIP: 0033:0x7f1d2cf1f3cf
>[  514.235401][    C0] RSP: 002b:00007ffd1336e9a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  514.235408][    C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1d2cf1f3cf
>[  514.235413][    C0] RDX: 00000000ffffffff RSI: 0000000000000004 RDI: 000000000178fad0
>[  514.235419][    C0] RBP: 00000000016e0f60 R08: 0000000000000000 R09: 0000000000000000
>[  514.235425][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 000000000178fad0
>[  514.235430][    C0] R13: 00000000ffffffff R14: 00007f1d2d2a1890 R15: 0000000000000004
>[  514.235437][    C0]  </TASK>
>[  514.235440][    C0] task:wireplumber     state:S stack:0     pid:1828  tgid:1823  ppid:1568   flags:0x00000002
>[  514.235448][    C0] Call Trace:
>[  514.235452][    C0]  <TASK>
>[  514.235455][    C0]  __schedule+0x381/0x1530
>[  514.235461][    C0]  ? __schedule+0x389/0x1530
>[  514.235467][    C0]  schedule+0x24/0xb0
>[  514.235472][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.235479][    C0]  ? copyout+0x20/0x30
>[  514.235484][    C0]  ? _copy_to_iter+0x58/0x520
>[  514.235490][    C0]  ? _raw_write_lock_irq+0xa/0x30
>[  514.235496][    C0]  ? ep_done_scan+0xb9/0x100
>[  514.235501][    C0]  do_epoll_wait+0x59b/0x6f0
>[  514.235507][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  514.235514][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  514.235520][    C0]  ? syscall_trace_enter.isra.16+0xa9/0x1b0
>[  514.235527][    C0]  do_syscall_64+0x5b/0x80
>[  514.235532][    C0]  ? ksys_read+0x66/0xe0
>[  514.235537][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.235542][    C0]  ? do_syscall_64+0x67/0x80
>[  514.235547][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.235553][    C0]  ? do_syscall_64+0x67/0x80
>[  514.235557][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  514.235564][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.235570][    C0] RIP: 0033:0x7f1d2cf2de66
>[  514.235575][    C0] RSP: 002b:00007f1d2bf0a8d0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
>[  514.235581][    C0] RAX: ffffffffffffffda RBX: 00007f1d2bf0ab50 RCX: 00007f1d2cf2de66
>[  514.235586][    C0] RDX: 0000000000000020 RSI: 00007f1d2bf0a900 RDI: 0000000000000007
>[  514.235592][    C0] RBP: 00007f1d2bf0aaa0 R08: 0000000000000000 R09: 00007f1d2bf0ab50
>[  514.235597][    C0] R10: 00000000ffffffff R11: 0000000000000293 R12: 00000000ffffffff
>[  514.235603][    C0] R13: 000000000000000b R14: 00007ffd1336e140 R15: 00007f1d2b70b000
>[  514.235610][    C0]  </TASK>
>[  514.235613][    C0] task:gmain           state:S stack:0     pid:1835  tgid:1823  ppid:1568   flags:0x00000002
>[  514.235621][    C0] Call Trace:
>[  514.235624][    C0]  <TASK>
>[  514.235627][    C0]  __schedule+0x381/0x1530
>[  514.235633][    C0]  ? xen_mc_flush+0x87/0x230
>[  514.235639][    C0]  ? xen_load_sp0+0x130/0x170
>[  514.235645][    C0]  schedule+0x24/0xb0
>[  514.434757][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.434772][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  514.434789][    C0]  do_sys_poll+0x3b3/0x5f0
>[  514.434796][    C0]  ? do_sys_poll+0x49e/0x5f0
>[  514.434801][    C0]  ? prep_new_page+0x193/0x1b0
>[  514.434808][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.434813][    C0]  ? xen_mc_flush+0x87/0x230
>[  514.434829][    C0]  ? xen_load_sp0+0x16a/0x170
>[  514.434836][    C0]  ? finish_task_switch+0x8f/0x2d0
>[  514.434854][    C0]  ? __schedule+0x389/0x1530
>[  514.434860][    C0]  ? try_charge_memcg+0xb4/0x6d0
>[  514.434868][    C0]  ? aa_file_perm+0x125/0x500
>[  514.434884][    C0]  ? copyout+0x20/0x30
>[  514.434901][    C0]  ? _copy_to_iter+0x58/0x520
>[  514.434907][    C0]  ? futex_wait+0x173/0x250
>[  514.434913][    C0]  ? set_pte_at+0x15/0x30
>[  514.434920][    C0]  ? __x64_sys_poll+0x37/0x140
>[  514.434925][    C0]  __x64_sys_poll+0x37/0x140
>[  514.434930][    C0]  do_syscall_64+0x5b/0x80
>[  514.434937][    C0]  ? do_futex+0xfb/0x1b0
>[  514.434941][    C0]  ? __x64_sys_futex+0x5e/0x1d0
>[  514.434947][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.434963][    C0]  ? do_syscall_64+0x67/0x80
>[  514.434968][    C0]  ? exc_page_fault+0x6e/0x150
>[  514.434983][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.434990][    C0] RIP: 0033:0x7f1d2cf1f3cf
>[  514.435002][    C0] RSP: 002b:00007f1d2b709d50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  514.435019][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1d2cf1f3cf
>[  514.435034][    C0] RDX: 00000000ffffffff RSI: 0000000000000001 RDI: 00000000016e0e80
>[  514.435040][    C0] RBP: 000000000170f3a0 R08: 0000000000000000 R09: 0000000000000000
>[  514.435046][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000016e0e80
>[  514.435051][    C0] R13: 00000000ffffffff R14: 00007f1d2d2a1890 R15: 0000000000000001
>[  514.435068][    C0]  </TASK>
>[  514.435072][    C0] task:pool-spawner    state:S stack:0     pid:1842  tgid:1823  ppid:1568   flags:0x00000002
>[  514.435090][    C0] Call Trace:
>[  514.435103][    C0]  <TASK>
>[  514.435106][    C0]  __schedule+0x381/0x1530
>[  514.435113][    C0]  ? update_load_avg+0x217/0x780
>[  514.435120][    C0]  schedule+0x24/0xb0
>[  514.435126][    C0]  futex_wait_queue+0x60/0x90
>[  514.435132][    C0]  futex_wait+0x169/0x250
>[  514.435138][    C0]  ? try_to_wake_up+0x408/0x5e0
>[  514.435144][    C0]  do_futex+0x11c/0x1b0
>[  514.435150][    C0]  __x64_sys_futex+0x5e/0x1d0
>[  514.435156][    C0]  do_syscall_64+0x5b/0x80
>[  514.435161][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.435177][    C0]  ? do_syscall_64+0x67/0x80
>[  514.435181][    C0]  ? do_user_addr_fault+0x446/0x890
>[  514.435198][    C0]  ? exc_page_fault+0x6e/0x150
>[  514.435203][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.435209][    C0] RIP: 0033:0x7f1d2cf2b729
>[  514.435214][    C0] RSP: 002b:00007f1d2ab12d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
>[  514.435221][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1d2cf2b729
>[  514.435227][    C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000001714d00
>[  514.435232][    C0] RBP: 0000000001714cf0 R08: 0000000000000001 R09: 0000000000000001
>[  514.435238][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1d2ab13648
>[  514.435243][    C0] R13: 0000000000000000 R14: 0000000001714d00 R15: 00007f1d2a313000
>[  514.435250][    C0]  </TASK>
>[  514.435253][    C0] task:gdbus           state:S stack:0     pid:1844  tgid:1823  ppid:1568   flags:0x00000002
>[  514.435261][    C0] Call Trace:
>[  514.435265][    C0]  <TASK>
>[  514.435268][    C0]  __schedule+0x381/0x1530
>[  514.435273][    C0]  ? ep_poll_callback+0x117/0x2c0
>[  514.435281][    C0]  schedule+0x24/0xb0
>[  514.435287][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.435293][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  514.435300][    C0]  ? add_wait_queue+0x15/0x80
>[  514.435305][    C0]  ? _raw_spin_unlock_irqrestore+0x18/0x40
>[  514.435321][    C0]  ? unix_poll+0x23/0x100
>[  514.435326][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  514.435342][    C0]  do_sys_poll+0x3b3/0x5f0
>[  514.435348][    C0]  ? unix_stream_read_generic+0x3b6/0xac0
>[  514.435355][    C0]  ? unix_stream_recvmsg+0x88/0x90
>[  514.435360][    C0]  ? __pfx_unix_stream_read_actor+0x10/0x10
>[  514.435366][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.435371][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.435376][    C0]  ? import_iovec+0x17/0x20
>[  514.435381][    C0]  ? copy_msghdr_from_user+0x72/0xb0
>[  514.435388][    C0]  ? eventfd_read+0x180/0x1f0
>[  514.435394][    C0]  ? vfs_read+0x230/0x2e0
>[  514.435401][    C0]  ? ksys_read+0x66/0xe0
>[  514.435406][    C0]  ? __x64_sys_poll+0x37/0x140
>[  514.435411][    C0]  __x64_sys_poll+0x37/0x140
>[  514.435416][    C0]  do_syscall_64+0x5b/0x80
>[  514.435421][    C0]  ? do_syscall_64+0x67/0x80
>[  514.435426][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.435431][    C0]  ? do_syscall_64+0x67/0x80
>[  514.435436][    C0]  ? do_syscall_64+0x67/0x80
>[  514.435441][    C0]  ? do_syscall_64+0x67/0x80
>[  514.435445][    C0]  ? do_syscall_64+0x67/0x80
>[  514.435450][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.435456][    C0] RIP: 0033:0x7f1d2cf1f3cf
>[  514.435461][    C0] RSP: 002b:00007f1d29b10d50 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
>[  514.435467][    C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1d2cf1f3cf
>[  514.435472][    C0] RDX: 00000000ffffffff RSI: 0000000000000002 RDI: 00007f1d14000b90
>[  514.435478][    C0] RBP: 00007f1d20006000 R08: 0000000000000000 R09: 0000000000000000
>[  514.435484][    C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1d14000b90
>[  514.435489][    C0] R13: 00000000ffffffff R14: 00007f1d2d2a1890 R15: 0000000000000002
>[  514.435496][    C0]  </TASK>
>[  514.435499][    C0] task:agetty          state:S stack:0     pid:1854  tgid:1854  ppid:1      flags:0x00000002
>[  514.435507][    C0] Call Trace:
>[  514.435511][    C0]  <TASK>
>[  514.435514][    C0]  __schedule+0x381/0x1530
>[  514.435520][    C0]  schedule+0x24/0xb0
>[  514.435525][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.435531][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  514.435537][    C0]  ? add_wait_queue+0x15/0x80
>[  514.435542][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  514.435548][    C0]  ? add_wait_queue+0x15/0x80
>[  514.435552][    C0]  do_select+0x5a4/0x840
>[  514.435557][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  514.435565][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.435570][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.435575][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.435579][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.435584][    C0]  ? kmem_cache_alloc_lru+0x1ab/0x410
>[  514.435590][    C0]  ? shmem_alloc_inode+0x1d/0x40
>[  514.435597][    C0]  ? get_cached_acl+0x57/0xb0
>[  514.435604][    C0]  ? __get_acl+0x28/0x1c0
>[  514.634711][    C0]  ? __pfx_shmem_initxattrs+0x10/0x10
>[  514.634738][    C0]  ? generic_permission+0x35/0x240
>[  514.634746][    C0]  ? mntput_no_expire+0x4a/0x240
>[  514.634753][    C0]  ? generic_permission+0x35/0x240
>[  514.634768][    C0]  ? step_into+0x10d/0x690
>[  514.634775][    C0]  ? core_sys_select+0x23e/0x340
>[  514.634781][    C0]  core_sys_select+0x23e/0x340
>[  514.634788][    C0]  ? __fsnotify_parent+0x111/0x360
>[  514.634795][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  514.634802][    C0]  ? radix_tree_node_alloc.constprop.22+0x7a/0xc0
>[  514.634809][    C0]  ? mntput_no_expire+0x4a/0x240
>[  514.634816][    C0]  do_pselect.constprop.15+0xbf/0x100
>[  514.634822][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.634828][    C0]  __x64_sys_pselect6+0x55/0x70
>[  514.634834][    C0]  do_syscall_64+0x5b/0x80
>[  514.634840][    C0]  ? __x64_sys_inotify_add_watch+0x10e/0x120
>[  514.634846][    C0]  ? do_inotify_init+0x117/0x180
>[  514.634862][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.634877][    C0]  ? do_syscall_64+0x67/0x80
>[  514.634882][    C0]  ? exc_page_fault+0x6e/0x150
>[  514.634887][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.634895][    C0] RIP: 0033:0x7fc47572b024
>[  514.634909][    C0] RSP: 002b:00007ffdc1d03240 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
>[  514.634917][    C0] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc47572b024
>[  514.634923][    C0] RDX: 0000000000000000 RSI: 00007ffdc1d032c0 RDI: 0000000000000006
>[  514.634929][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
>[  514.634935][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdc1d032c0
>[  514.634941][    C0] R13: 0000000000000000 R14: 000000000000000d R15: 0000000000000000
>[  514.634948][    C0]  </TASK>
>[  514.634953][    C0] task:agetty          state:S stack:0     pid:1857  tgid:1857  ppid:1      flags:0x00000002
>[  514.634962][    C0] Call Trace:
>[  514.634966][    C0]  <TASK>
>[  514.634969][    C0]  __schedule+0x381/0x1530
>[  514.634976][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  514.634984][    C0]  schedule+0x24/0xb0
>[  514.634989][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.634996][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  514.635003][    C0]  ? add_wait_queue+0x15/0x80
>[  514.635009][    C0]  ? _raw_spin_lock_irqsave+0x14/0x50
>[  514.635014][    C0]  ? add_wait_queue+0x15/0x80
>[  514.635019][    C0]  do_select+0x5a4/0x840
>[  514.635025][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.635030][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.635035][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.635040][    C0]  ? __pfx_pollwake+0x10/0x10
>[  514.635045][    C0]  ? generic_permission+0x35/0x240
>[  514.635051][    C0]  ? dput+0x36/0x2e0
>[  514.635056][    C0]  ? mntput_no_expire+0x4a/0x240
>[  514.635062][    C0]  ? terminate_walk+0xf1/0x100
>[  514.635068][    C0]  ? generic_permission+0x35/0x240
>[  514.635074][    C0]  ? step_into+0x10d/0x690
>[  514.635080][    C0]  ? inode_permission+0x35/0x180
>[  514.635087][    C0]  ? core_sys_select+0x23e/0x340
>[  514.635092][    C0]  core_sys_select+0x23e/0x340
>[  514.635097][    C0]  ? __rseq_handle_notify_resume+0xab/0x4d0
>[  514.635104][    C0]  ? exit_to_user_mode_prepare+0x1ed/0x220
>[  514.635121][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  514.635127][    C0]  do_pselect.constprop.15+0xbf/0x100
>[  514.635143][    C0]  __x64_sys_pselect6+0x55/0x70
>[  514.635148][    C0]  do_syscall_64+0x5b/0x80
>[  514.635153][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.635158][    C0]  ? do_syscall_64+0x67/0x80
>[  514.635163][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.635168][    C0]  ? do_syscall_64+0x67/0x80
>[  514.635173][    C0]  ? exc_page_fault+0x6e/0x150
>[  514.635178][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.635184][    C0] RIP: 0033:0x7feffbf2b024
>[  514.635190][    C0] RSP: 002b:00007ffda5a692d0 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
>[  514.635196][    C0] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007feffbf2b024
>[  514.635201][    C0] RDX: 0000000000000000 RSI: 00007ffda5a69350 RDI: 0000000000000006
>[  514.635207][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
>[  514.635213][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffda5a69350
>[  514.635218][    C0] R13: 0000000000000000 R14: 000000000000000d R15: 0000000000000000
>[  514.635229][    C0]  </TASK>
>[  514.635234][    C0] task:login           state:S stack:0     pid:1867  tgid:1867  ppid:1      flags:0x00000002
>[  514.635242][    C0] Call Trace:
>[  514.635245][    C0]  <TASK>
>[  514.635248][    C0]  __schedule+0x381/0x1530
>[  514.635254][    C0]  ? __mod_memcg_lruvec_state+0x9d/0xf0
>[  514.635261][    C0]  ? xen_set_pte+0x92/0x2b0
>[  514.635267][    C0]  ? page_remove_rmap+0x39/0x240
>[  514.635282][    C0]  schedule+0x24/0xb0
>[  514.635288][    C0]  do_wait+0x155/0x310
>[  514.635294][    C0]  kernel_wait4+0x8d/0x140
>[  514.635300][    C0]  ? __pfx_child_wait_callback+0x10/0x10
>[  514.835364][    C0]  __do_sys_wait4+0x99/0xb0
>[  514.835376][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.835392][    C0]  ? do_syscall_64+0x67/0x80
>[  514.835397][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  514.835403][    C0]  ? do_syscall_64+0x5b/0x80
>[  514.835408][    C0]  ? __pfx___x64_sys_wait4+0x10/0x10
>[  514.835414][    C0]  do_syscall_64+0x5b/0x80
>[  514.835429][    C0]  ? exc_page_fault+0x6e/0x150
>[  514.835434][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.835442][    C0] RIP: 0033:0x7f8ce6916233
>[  514.835450][    C0] RSP: 002b:00007fffde6a7138 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
>[  514.835457][    C0] RAX: ffffffffffffffda RBX: 00005565b833cc30 RCX: 00007f8ce6916233
>[  514.835463][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000ffffffff
>[  514.835469][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000007
>[  514.835474][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
>[  514.835480][    C0] R13: 00005565b833cc30 R14: 00007fffde6a7260 R15: 00007fffde6a7300
>[  514.835487][    C0]  </TASK>
>[  514.835491][    C0] task:systemd         state:S stack:0     pid:1879  tgid:1879  ppid:1      flags:0x00000002
>[  514.835500][    C0] Call Trace:
>[  514.835504][    C0]  <TASK>
>[  514.835507][    C0]  __schedule+0x381/0x1530
>[  514.835514][    C0]  schedule+0x24/0xb0
>[  514.835519][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.835527][    C0]  ? kmem_cache_alloc+0x163/0x300
>[  514.835533][    C0]  ? getname_flags+0x46/0x1e0
>[  514.835539][    C0]  do_epoll_wait+0x59b/0x6f0
>[  514.835547][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  514.835554][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  514.835560][    C0]  ? exit_to_user_mode_prepare+0xe7/0x220
>[  514.835567][    C0]  do_syscall_64+0x5b/0x80
>[  514.835571][    C0]  ? __task_pid_nr_ns+0x97/0xb0
>[  514.835578][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.835584][    C0]  ? do_syscall_64+0x67/0x80
>[  514.835589][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  514.835596][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.835602][    C0]  ? do_syscall_64+0x67/0x80
>[  514.835606][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.835612][    C0]  ? do_syscall_64+0x67/0x80
>[  514.835617][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.835622][    C0]  ? do_syscall_64+0x67/0x80
>[  514.835627][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.835633][    C0] RIP: 0033:0x7f657112de23
>[  514.835638][    C0] RSP: 002b:00007ffe859ef348 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  514.835644][    C0] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f657112de23
>[  514.835650][    C0] RDX: 0000000000000020 RSI: 0000558c35929c60 RDI: 0000000000000004
>[  514.835656][    C0] RBP: 0000558c35898c50 R08: 00000000156fc5a2 R09: 0000000000000007
>[  514.835662][    C0] R10: 00000000ffffffff R11: 0000000000000202 R12: 0000558c35929c60
>[  514.835668][    C0] R13: 0000000000000013 R14: 0000000000000004 R15: ffffffffffffffff
>[  514.835675][    C0]  </TASK>
>[  514.835682][    C0] task:(sd-pam)        state:S stack:0     pid:1880  tgid:1880  ppid:1879   flags:0x00000002
>[  514.835697][    C0] Call Trace:
>[  514.835703][    C0]  <TASK>
>[  514.835709][    C0]  __schedule+0x381/0x1530
>[  514.835718][    C0]  ? __update_load_avg_se+0x2a1/0x320
>[  514.835729][    C0]  schedule+0x24/0xb0
>[  514.835738][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.835744][    C0]  ? xen_load_sp0+0x16a/0x170
>[  514.835750][    C0]  ? recalc_sigpending+0x17/0x50
>[  514.835757][    C0]  ? dequeue_signal+0xc2/0x190
>[  514.835766][    C0]  do_sigtimedwait+0x16c/0x1f0
>[  514.835777][    C0]  __x64_sys_rt_sigtimedwait+0x6f/0xd0
>[  514.835783][    C0]  ? __task_pid_nr_ns+0x97/0xb0
>[  514.835789][    C0]  do_syscall_64+0x5b/0x80
>[  514.835795][    C0]  ? do_syscall_64+0x67/0x80
>[  514.835803][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.835812][    C0]  ? do_syscall_64+0x67/0x80
>[  514.835817][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  514.835823][    C0]  ? do_syscall_64+0x67/0x80
>[  514.835827][    C0]  ? do_user_addr_fault+0x267/0x890
>[  514.835845][    C0]  ? exc_page_fault+0x6e/0x150
>[  514.835850][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  514.835866][    C0] RIP: 0033:0x7fe359c5852f
>[  514.835874][    C0] RSP: 002b:00007ffdcaa8c800 EFLAGS: 00000202 ORIG_RAX: 0000000000000080
>[  514.835881][    C0] RAX: ffffffffffffffda RBX: 00007ffdcaa8c830 RCX: 00007fe359c5852f
>[  514.835888][    C0] RDX: 0000000000000000 RSI: 00007ffdcaa8c830 RDI: 00007ffdcaa8c9d0
>[  514.835893][    C0] RBP: 00007ffdcaa8c830 R08: 0000000000000000 R09: 0000000000000007
>[  514.835899][    C0] R10: 0000000000000008 R11: 0000000000000202 R12: 00007ffdcaa8c928
>[  514.835905][    C0] R13: 00007ffdcaa8c9d0 R14: 00007ffdcaa8c928 R15: 00007ffdcaa8c950
>[  514.835921][    C0]  </TASK>
>[  514.835925][    C0] task:bash            state:S stack:0     pid:1891  tgid:1891  ppid:1867   flags:0x00000002
>[  514.835932][    C0] Call Trace:
>[  514.835936][    C0]  <TASK>
>[  514.835939][    C0]  __schedule+0x381/0x1530
>[  514.835945][    C0]  schedule+0x24/0xb0
>[  514.835950][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  514.835956][    C0]  ? __pfx_con_write_room+0x10/0x10
>[  514.835963][    C0]  ? n_tty_poll+0x18e/0x1c0
>[  514.835969][    C0]  ? tty_poll+0x57/0xb0
>[  514.835975][    C0]  do_select+0x5a4/0x840
>[  515.036023][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  515.036035][    C0]  ? __pfx_pollwake+0x10/0x10
>[  515.036041][    C0]  ? __pfx_pollwake+0x10/0x10
>[  515.036045][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  515.036051][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.036068][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.036074][    C0]  ? prb_read_valid+0x17/0x20
>[  515.036080][    C0]  ? printk_get_next_message+0x72/0x2c0
>[  515.036086][    C0]  ? soft_cursor+0x194/0x240
>[  515.036093][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  515.036099][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  515.036105][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.036111][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.036117][    C0]  ? core_sys_select+0x23e/0x340
>[  515.036123][    C0]  core_sys_select+0x23e/0x340
>[  515.036129][    C0]  ? file_tty_write.isra.32+0x1f7/0x380
>[  515.036136][    C0]  ? vfs_write+0x1b6/0x380
>[  515.036143][    C0]  ? vfs_write+0x1b6/0x380
>[  515.036149][    C0]  do_pselect.constprop.15+0xbf/0x100
>[  515.036154][    C0]  ? _copy_to_user+0x20/0x40
>[  515.036162][    C0]  ? __x64_sys_rt_sigprocmask+0x93/0xd0
>[  515.036168][    C0]  __x64_sys_pselect6+0x55/0x70
>[  515.036173][    C0]  do_syscall_64+0x5b/0x80
>[  515.036179][    C0]  ? do_user_addr_fault+0x446/0x890
>[  515.036186][    C0]  ? exc_page_fault+0x6e/0x150
>[  515.036192][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  515.036199][    C0] RIP: 0033:0x7f3f12f2a39c
>[  515.036207][    C0] RSP: 002b:00007ffd824bce80 EFLAGS: 00000202 ORIG_RAX: 000000000000010e
>[  515.036214][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3f12f2a39c
>[  515.036220][    C0] RDX: 0000000000000000 RSI: 00007ffd824bcf90 RDI: 0000000000000001
>[  515.036226][    C0] RBP: 00007f3f1344d5d0 R08: 0000000000000000 R09: 00007ffd824bcec0
>[  515.036232][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3f12ffe8e0
>[  515.036237][    C0] R13: 0000000000000000 R14: 00007ffd824bcf10 R15: 00007ffd824bcf0f
>[  515.036244][    C0]  </TASK>
>[  515.036248][    C0] task:login           state:S stack:0     pid:2103  tgid:2103  ppid:1      flags:0x00000002
>[  515.036257][    C0] Call Trace:
>[  515.036260][    C0]  <TASK>
>[  515.036263][    C0]  __schedule+0x381/0x1530
>[  515.036270][    C0]  schedule+0x24/0xb0
>[  515.036276][    C0]  do_wait+0x155/0x310
>[  515.036281][    C0]  kernel_wait4+0x8d/0x140
>[  515.036287][    C0]  ? __pfx_child_wait_callback+0x10/0x10
>[  515.036293][    C0]  __do_sys_wait4+0x99/0xb0
>[  515.036299][    C0]  ? __handle_mm_fault+0xa98/0xba0
>[  515.036305][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  515.036311][    C0]  ? do_sigaction+0x122/0x270
>[  515.036318][    C0]  ? __x64_sys_rt_sigaction+0xfa/0x110
>[  515.036323][    C0]  ? do_syscall_64+0x5b/0x80
>[  515.036328][    C0]  ? __pfx___x64_sys_wait4+0x10/0x10
>[  515.036334][    C0]  do_syscall_64+0x5b/0x80
>[  515.036339][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  515.036345][    C0]  ? do_syscall_64+0x67/0x80
>[  515.036350][    C0]  ? do_user_addr_fault+0x446/0x890
>[  515.036356][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  515.036361][    C0]  ? do_syscall_64+0x67/0x80
>[  515.036366][    C0]  ? exc_page_fault+0x6e/0x150
>[  515.036372][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  515.036379][    C0] RIP: 0033:0x7f59b2316233
>[  515.036387][    C0] RSP: 002b:00007ffe04fd25a8 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
>[  515.036397][    C0] RAX: ffffffffffffffda RBX: 000055c3182b4c60 RCX: 00007f59b2316233
>[  515.036407][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000ffffffff
>[  515.036413][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000007
>[  515.036419][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
>[  515.036424][    C0] R13: 000055c3182b5da0 R14: 00007ffe04fd26d0 R15: 00007ffe04fd2770
>[  515.036431][    C0]  </TASK>
>[  515.036435][    C0] task:systemd         state:S stack:0     pid:2120  tgid:2120  ppid:1      flags:0x00000002
>[  515.036443][    C0] Call Trace:
>[  515.036446][    C0]  <TASK>
>[  515.036449][    C0]  __schedule+0x381/0x1530
>[  515.036455][    C0]  ? generic_permission+0x35/0x240
>[  515.036463][    C0]  ? __pfx_kernfs_vfs_xattr_get+0x10/0x10
>[  515.036470][    C0]  ? simple_xattr_get+0x69/0xb0
>[  515.036476][    C0]  schedule+0x24/0xb0
>[  515.036482][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  515.036489][    C0]  do_epoll_wait+0x59b/0x6f0
>[  515.036497][    C0]  ? kmem_cache_alloc+0x163/0x300
>[  515.036502][    C0]  ? getname_flags+0x46/0x1e0
>[  515.036508][    C0]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
>[  515.036515][    C0]  __x64_sys_epoll_wait+0x55/0x90
>[  515.036521][    C0]  ? __task_pid_nr_ns+0x97/0xb0
>[  515.036527][    C0]  do_syscall_64+0x5b/0x80
>[  515.036532][    C0]  ? xen_clocksource_read+0x18/0x30
>[  515.036539][    C0]  ? ktime_get_ts64+0x4c/0xf0
>[  515.036554][    C0]  ? _copy_to_user+0x20/0x40
>[  515.036560][    C0]  ? put_timespec64+0x3c/0x70
>[  515.036566][    C0]  ? __x64_sys_clock_gettime+0x89/0xb0
>[  515.036572][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  515.036588][    C0]  ? do_syscall_64+0x67/0x80
>[  515.036592][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  515.036598][    C0]  ? do_syscall_64+0x67/0x80
>[  515.036602][    C0]  ? exc_page_fault+0x6e/0x150
>[  515.036608][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  515.036614][    C0] RIP: 0033:0x7f8e3dd2de23
>[  515.036619][    C0] RSP: 002b:00007ffd5094f598 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
>[  515.036635][    C0] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8e3dd2de23
>[  515.036641][    C0] RDX: 0000000000000020 RSI: 0000558781033b30 RDI: 0000000000000004
>[  515.235751][    C0] RBP: 0000558780f9fcc0 R08: 000000001c96e46d R09: 0000000000000007
>[  515.235771][    C0] R10: 00000000ffffffff R11: 0000000000000202 R12: 0000558781033b30
>[  515.235778][    C0] R13: 0000000000000014 R14: 0000000000000004 R15: ffffffffffffffff
>[  515.235796][    C0]  </TASK>
>[  515.235801][    C0] task:(sd-pam)        state:S stack:0     pid:2121  tgid:2121  ppid:2120   flags:0x00000002
>[  515.235810][    C0] Call Trace:
>[  515.235813][    C0]  <TASK>
>[  515.235817][    C0]  __schedule+0x381/0x1530
>[  515.235826][    C0]  ? wakeup_preempt+0x29/0x60
>[  515.235834][    C0]  schedule+0x24/0xb0
>[  515.235840][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  515.235847][    C0]  ? recalc_sigpending+0x17/0x50
>[  515.235854][    C0]  ? dequeue_signal+0xc2/0x190
>[  515.235860][    C0]  do_sigtimedwait+0x16c/0x1f0
>[  515.235867][    C0]  __x64_sys_rt_sigtimedwait+0x6f/0xd0
>[  515.235873][    C0]  ? __task_pid_nr_ns+0x97/0xb0
>[  515.235879][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  515.235886][    C0]  ? do_syscall_64+0x67/0x80
>[  515.235891][    C0]  do_syscall_64+0x5b/0x80
>[  515.235897][    C0]  ? switch_fpu_return+0x4c/0xd0
>[  515.235902][    C0]  ? exit_to_user_mode_prepare+0x142/0x220
>[  515.235910][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  515.235915][    C0]  ? do_syscall_64+0x67/0x80
>[  515.235920][    C0]  ? do_syscall_64+0x67/0x80
>[  515.235925][    C0]  ? exc_page_fault+0x6e/0x150
>[  515.235930][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  515.235937][    C0] RIP: 0033:0x7fe359c5852f
>[  515.235947][    C0] RSP: 002b:00007ffdcaa8c800 EFLAGS: 00000202 ORIG_RAX: 0000000000000080
>[  515.235955][    C0] RAX: ffffffffffffffda RBX: 00007ffdcaa8c830 RCX: 00007fe359c5852f
>[  515.235960][    C0] RDX: 0000000000000000 RSI: 00007ffdcaa8c830 RDI: 00007ffdcaa8c9d0
>[  515.235966][    C0] RBP: 00007ffdcaa8c830 R08: 0000000000000000 R09: 0000000000000007
>[  515.235972][    C0] R10: 0000000000000008 R11: 0000000000000202 R12: 00007ffdcaa8c928
>[  515.235977][    C0] R13: 00007ffdcaa8c9d0 R14: 00007ffdcaa8c928 R15: 00007ffdcaa8c950
>[  515.235984][    C0]  </TASK>
>[  515.235987][    C0] task:bash            state:S stack:0     pid:2132  tgid:2132  ppid:2103   flags:0x00000002
>[  515.235996][    C0] Call Trace:
>[  515.235999][    C0]  <TASK>
>[  515.236002][    C0]  __schedule+0x381/0x1530
>[  515.236008][    C0]  ? get_page_from_freelist+0x6ce/0x1fb0
>[  515.236016][    C0]  schedule+0x24/0xb0
>[  515.236021][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  515.236028][    C0]  ? __pfx_con_write_room+0x10/0x10
>[  515.236034][    C0]  ? n_tty_poll+0x18e/0x1c0
>[  515.236041][    C0]  ? tty_poll+0x57/0xb0
>[  515.236047][    C0]  do_select+0x5a4/0x840
>[  515.236054][    C0]  ? __pfx_pollwake+0x10/0x10
>[  515.236059][    C0]  ? __pfx_pollwake+0x10/0x10
>[  515.236064][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  515.236071][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  515.236076][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.236082][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.236089][    C0]  ? prb_read_valid+0x17/0x20
>[  515.236094][    C0]  ? printk_get_next_message+0x72/0x2c0
>[  515.236100][    C0]  ? soft_cursor+0x194/0x240
>[  515.236108][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  515.236113][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  515.236120][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.236125][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.236131][    C0]  ? core_sys_select+0x23e/0x340
>[  515.236137][    C0]  core_sys_select+0x23e/0x340
>[  515.236143][    C0]  ? __fsnotify_parent+0x111/0x360
>[  515.236150][    C0]  ? file_tty_write.isra.32+0x1f7/0x380
>[  515.236155][    C0]  ? _copy_to_user+0x20/0x40
>[  515.236161][    C0]  ? __x64_sys_rt_sigprocmask+0x93/0xd0
>[  515.236167][    C0]  do_pselect.constprop.15+0xbf/0x100
>[  515.236172][    C0]  __x64_sys_pselect6+0x55/0x70
>[  515.236178][    C0]  do_syscall_64+0x5b/0x80
>[  515.236182][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  515.236188][    C0]  ? do_syscall_64+0x67/0x80
>[  515.236193][    C0]  ? exc_page_fault+0x6e/0x150
>[  515.236198][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  515.236204][    C0] RIP: 0033:0x7fb1ec52a39c
>[  515.236209][    C0] RSP: 002b:00007ffeaf56f6a0 EFLAGS: 00000202 ORIG_RAX: 000000000000010e
>[  515.236216][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1ec52a39c
>[  515.236221][    C0] RDX: 0000000000000000 RSI: 00007ffeaf56f7b0 RDI: 0000000000000001
>[  515.236227][    C0] RBP: 00007fb1eca4d5d0 R08: 0000000000000000 R09: 00007ffeaf56f6e0
>[  515.236232][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb1ec5fe8e0
>[  515.236238][    C0] R13: 0000000000000000 R14: 00007ffeaf56f730 R15: 00007ffeaf56f72f
>[  515.236245][    C0]  </TASK>
>[  515.236248][    C0] task:login           state:S stack:0     pid:2368  tgid:2368  ppid:1      flags:0x00000002
>[  515.236256][    C0] Call Trace:
>[  515.236259][    C0]  <TASK>
>[  515.236262][    C0]  __schedule+0x381/0x1530
>[  515.236268][    C0]  ? flush_tlb_func+0x1a0/0x1f0
>[  515.236274][    C0]  schedule+0x24/0xb0
>[  515.236279][    C0]  do_wait+0x155/0x310
>[  515.236285][    C0]  kernel_wait4+0x8d/0x140
>[  515.236291][    C0]  ? __pfx_child_wait_callback+0x10/0x10
>[  515.236297][    C0]  __do_sys_wait4+0x99/0xb0
>[  515.236303][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  515.236309][    C0]  ? do_sigaction+0x122/0x270
>[  515.236315][    C0]  ? _raw_spin_unlock_irq+0x10/0x30
>[  515.236321][    C0]  ? do_sigaction+0x122/0x270
>[  515.236326][    C0]  ? do_syscall_64+0x5b/0x80
>[  515.236331][    C0]  do_syscall_64+0x5b/0x80
>[  515.236336][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  515.435473][    C0]  ? do_syscall_64+0x67/0x80
>[  515.435485][    C0]  ? do_user_addr_fault+0x446/0x890
>[  515.435492][    C0]  ? syscall_exit_to_user_mode+0x27/0x40
>[  515.435508][    C0]  ? do_syscall_64+0x67/0x80
>[  515.435523][    C0]  ? exc_page_fault+0x6e/0x150
>[  515.435529][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  515.435536][    C0] RIP: 0033:0x7f6ad2f16233
>[  515.435546][    C0] RSP: 002b:00007ffed2d0aff8 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
>[  515.435563][    C0] RAX: ffffffffffffffda RBX: 000055f583b6bc30 RCX: 00007f6ad2f16233
>[  515.435578][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000ffffffff
>[  515.435584][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000007
>[  515.435590][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
>[  515.435596][    C0] R13: 000055f583b6bc30 R14: 00007ffed2d0b120 R15: 00007ffed2d0b1c0
>[  515.435613][    C0]  </TASK>
>[  515.435626][    C0] task:bash            state:S stack:0     pid:2375  tgid:2375  ppid:2368   flags:0x00000002
>[  515.435635][    C0] Call Trace:
>[  515.435638][    C0]  <TASK>
>[  515.435641][    C0]  __schedule+0x381/0x1530
>[  515.435649][    C0]  schedule+0x24/0xb0
>[  515.435654][    C0]  schedule_hrtimeout_range_clock+0x10d/0x120
>[  515.435672][    C0]  ? __pfx_con_write_room+0x10/0x10
>[  515.435678][    C0]  ? n_tty_poll+0x18e/0x1c0
>[  515.435694][    C0]  ? tty_poll+0x57/0xb0
>[  515.435700][    C0]  do_select+0x5a4/0x840
>[  515.435706][    C0]  ? ttwu_do_activate+0x5d/0x1e0
>[  515.435713][    C0]  ? __pfx_pollwake+0x10/0x10
>[  515.435718][    C0]  ? __pfx_pollwake+0x10/0x10
>[  515.435723][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  515.435730][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.435746][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.435752][    C0]  ? prb_read_valid+0x17/0x20
>[  515.435758][    C0]  ? printk_get_next_message+0x72/0x2c0
>[  515.435773][    C0]  ? soft_cursor+0x194/0x240
>[  515.435780][    C0]  ? desc_read_finalized_seq+0x2f/0x90
>[  515.435786][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.435791][    C0]  ? _prb_read_valid+0x212/0x290
>[  515.435798][    C0]  ? core_sys_select+0x23e/0x340
>[  515.435803][    C0]  core_sys_select+0x23e/0x340
>[  515.435808][    C0]  ? ptep_set_access_flags+0x23/0x30
>[  515.435814][    C0]  ? wp_page_reuse+0x8b/0xa0
>[  515.435821][    C0]  ? do_wp_page+0x3de/0xa50
>[  515.435827][    C0]  ? __raw_callee_save_xen_pmd_val+0x11/0x30
>[  515.435835][    C0]  ? __handle_mm_fault+0xa98/0xba0
>[  515.435840][    C0]  do_pselect.constprop.15+0xbf/0x100
>[  515.435846][    C0]  ? do_syscall_64+0x67/0x80
>[  515.435851][    C0]  __x64_sys_pselect6+0x55/0x70
>[  515.435856][    C0]  do_syscall_64+0x5b/0x80
>[  515.435861][    C0]  ? handle_mm_fault+0x196/0x2f0
>[  515.435866][    C0]  ? do_user_addr_fault+0x446/0x890
>[  515.435873][    C0]  ? exc_page_fault+0x6e/0x150
>[  515.435878][    C0]  entry_SYSCALL_64_after_hwframe+0x72/0xdc
>[  515.435884][    C0] RIP: 0033:0x7f84ebb2a39c
>[  515.435889][    C0] RSP: 002b:00007ffff4521af0 EFLAGS: 00000202 ORIG_RAX: 000000000000010e
>[  515.435896][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f84ebb2a39c
>[  515.435902][    C0] RDX: 0000000000000000 RSI: 00007ffff4521c00 RDI: 0000000000000001
>[  515.435907][    C0] RBP: 00007f84ec04d5d0 R08: 0000000000000000 R09: 00007ffff4521b30
>[  515.435913][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f84ebbfe8e0
>[  515.435918][    C0] R13: 0000000000000000 R14: 00007ffff4521b80 R15: 00007ffff4521b7f
>[  515.435925][    C0]  </TASK>
>[  515.435930][    C0] Sched Debug Version: v0.11, 6.4.0-150600.5-default #1
>[  515.435936][    C0] ktime                                   : 515435.414177
>[  515.435944][    C0] sched_clk                               : 515447.243238
>[  515.435963][    C0] cpu_clk                                 : 515435.929793
>[  515.435971][    C0] jiffies                                 : 4295017036
>[  515.435978][    C0] sched_clock_stable()                    : 1
>[  515.435986][    C0] 
>[  515.435991][    C0] sysctl_sched
>[  515.435996][    C0]   .sysctl_sched_latency                    : 6.000000
>[  515.436003][    C0]   .sysctl_sched_min_granularity            : 0.750000
>[  515.436010][    C0]   .sysctl_sched_idle_min_granularity       : 0.750000
>[  515.436017][    C0]   .sysctl_sched_wakeup_granularity         : 1.000000
>[  515.436025][    C0]   .sysctl_sched_child_runs_first           : 0
>[  515.436031][    C0]   .sysctl_sched_features                   : 62860859
>[  515.436039][    C0]   .sysctl_sched_tunable_scaling            : 1 (logarithmic)
>[  515.436048][    C0] 
>[  515.436053][    C0] cpu#0, 3399.998 MHz
>[  515.436059][    C0]   .nr_running                    : 0
>[  515.436065][    C0]   .nr_switches                   : 1083334
>[  515.436072][    C0]   .nr_uninterruptible            : 0
>[  515.436079][    C0]   .next_balance                  : 4294.892296
>[  515.436087][    C0]   .curr->pid                     : 0
>[  515.436094][    C0]   .clock                         : 499190.552221
>[  515.436101][    C0]   .clock_task                    : 499190.552221
>[  515.436109][    C0]   .avg_idle                      : 1000000
>[  515.436117][    C0]   .max_idle_balance_cost         : 500000
>[  515.436125][    C0] 
>[  515.436139][    C0] cfs_rq[0]:/
>[  515.436145][    C0]   .exec_clock                    : 0.000000
>[  515.436163][    C0]   .MIN_vruntime                  : 0.000001
>[  515.636211][    C0]   .min_vruntime                  : 27830.367900
>[  515.636223][    C0]   .max_vruntime                  : 0.000001
>[  515.636228][    C0]   .spread                        : 0.000000
>[  515.636243][    C0]   .spread0                       : 0.000000
>[  515.636248][    C0]   .nr_spread_over                : 0
>[  515.636252][    C0]   .nr_running                    : 0
>[  515.636257][    C0]   .h_nr_running                  : 0
>[  515.636261][    C0]   .idle_nr_running               : 0
>[  515.636265][    C0]   .idle_h_nr_running             : 0
>[  515.636269][    C0]   .load                          : 0
>[  515.636274][    C0]   .load_avg                      : 2
>[  515.636278][    C0]   .runnable_avg                  : 2
>[  515.636282][    C0]   .util_avg                      : 1
>[  515.636287][    C0]   .util_est_enqueued             : 0
>[  515.636291][    C0]   .removed.load_avg              : 0
>[  515.636295][    C0]   .removed.util_avg              : 0
>[  515.636299][    C0]   .removed.runnable_avg          : 0
>[  515.636304][    C0]   .tg_load_avg_contrib           : 0
>[  515.636308][    C0]   .tg_load_avg                   : 0
>[  515.636312][    C0]   .throttled                     : 0
>[  515.636316][    C0]   .throttle_count                : 0
>[  515.636332][    C0] 
>[  515.636335][    C0] rt_rq[0]:
>[  515.636338][    C0]   .rt_nr_running                 : 0
>[  515.636342][    C0]   .rt_throttled                  : 0
>[  515.636356][    C0]   .rt_time                       : 0.000000
>[  515.636361][    C0]   .rt_runtime                    : 950.000000
>[  515.636366][    C0] 
>[  515.636368][    C0] dl_rq[0]:
>[  515.636372][    C0]   .dl_nr_running                 : 0
>[  515.636376][    C0]   .dl_bw->bw                     : 996147
>[  515.636381][    C0]   .dl_bw->total_bw               : 0
>[  515.636385][    C0] 
>[  515.636388][    C0] runnable tasks:
>[  515.636391][    C0]  S            task   PID         tree-key  switches  prio     wait-time             sum-exec        sum-sleep
>[  515.636399][    C0] -------------------------------------------------------------------------------------------------------------
>[  515.636407][    C0]  S         systemd     1      1203.643234      7562   120         0.000000      2114.125279         0.000000         0.000000 0 0 /init.scope
>[  515.636423][    C0]  S        kthreadd     2     23212.089072       176   120         0.000000         4.040470         0.000000         0.000000 0 0 /
>[  515.636437][    C0]  I          rcu_gp     3         8.005784         2   100         0.000000         0.009725         0.000000         0.000000 0 0 /
>[  515.636449][    C0]  I      rcu_par_gp     4        10.008283         2   100         0.000000         0.007970         0.000000         0.000000 0 0 /
>[  515.636469][    C0]  I    slub_flushwq     5        12.011345         2   100         0.000000         0.006789         0.000000         0.000000 0 0 /
>[  515.636490][    C0]  I           netns     6        14.013276         2   100         0.000000         0.005103         0.000000         0.000000 0 0 /
>[  515.636503][    C0]  I    kworker/0:0H     8        93.572895         4   100         0.000000         0.021571         0.000000         0.000000 0 0 /
>[  515.636518][    C0]  I    mm_percpu_wq    11        20.775674         2   100         0.000000         0.008396         0.000000         0.000000 0 0 /
>[  515.636530][    C0]  I rcu_tasks_kthre    12        22.779601         2   120         0.000000         0.007307         0.000000         0.000000 0 0 /
>[  515.636542][    C0]  I rcu_tasks_rude_    13        24.782048         2   120         0.000000         0.006277         0.000000         0.000000 0 0 /
>[  515.636554][    C0]  I rcu_tasks_trace    14       604.296902         5   120         0.000000         0.041836         0.000000         0.000000 0 0 /
>[  515.636565][    C0]  S     ksoftirqd/0    15     27827.400637      2942   120         0.000000        76.470113         0.000000         0.000000 0 0 /
>[  515.636577][    C0]  I     rcu_preempt    16     27827.535734     10090   120         0.000000       122.979023         0.000000         0.000000 0 0 /
>[  515.636589][    C0]  S     migration/0    17         0.000000       128     0         0.000000         3.442227         0.000000         0.000000 0 0 /
>[  515.636601][    C0]  S   idle_inject/0    18         0.000000         3    49         0.000000         0.012946         0.000000         0.000000 0 0 /
>[  515.636613][    C0]  S         cpuhp/0    19      2807.897313        12   120         0.000000         0.152204         0.000000         0.000000 0 0 /
>[  515.636632][    C0]  S       kdevtmpfs    21      7395.433079       178   120         0.000000         0.844045         0.000000         0.000000 0 0 /
>[  515.636653][    C0]  I    inet_frag_wq    22        56.671458         2   100         0.000000         0.006527         0.000000         0.000000 0 0 /
>[  515.636668][    C0]  S         kauditd    24     27662.537805       361   120         0.000000        12.535309         0.000000         0.000000 0 0 /
>[  515.636679][    C0]  S          xenbus    25      2793.006915       695   120         0.000000         4.871224         0.000000         0.000000 0 0 /
>[  515.636691][    C0]  S        xenwatch    26      2785.985597       228   120         0.000000         3.020261         0.000000         0.000000 0 0 /
>[  515.636708][    C0]  S      khungtaskd    27      2656.825428         3   120         0.000000         0.012824         0.000000         0.000000 0 0 /
>[  515.636726][    C0]  S      oom_reaper    28        67.338871         2   120         0.000000         0.007079         0.000000         0.000000 0 0 /
>[  515.636742][    C0]  I    kworker/u2:2    29     27827.499090      5002   120         0.000000       244.406410         0.000000         0.000000 0 0 /
>[  515.636761][    C0]  I       writeback    30        68.541798         2   100         0.000000         0.006848         0.000000         0.000000 0 0 /
>[  515.636773][    C0]  S      kcompactd0    31     27827.452825       976   120         0.000000        23.663298         0.000000         0.000000 0 0 /
>[  515.636784][    C0]  S            ksmd    32        71.548892         2   125         0.000000         0.005313         0.000000         0.000000 0 0 /
>[  515.636801][    C0]  I     kintegrityd    33        73.048177         2   100         0.000000         0.004928         0.000000         0.000000 0 0 /
>[  515.636821][    C0]  I         kblockd    34        74.550279         2   100         0.000000         0.004669         0.000000         0.000000 0 0 /
>[  515.636839][    C0]  I  blkcg_punt_bio    35        76.052630         2   100         0.000000         0.005134         0.000000         0.000000 0 0 /
>[  515.636851][    C0]  S     xen-balloon    36        83.068379         3   120         0.000000         0.005521         0.000000         0.000000 0 0 /
>[  515.636862][    C0]  I      tpm_dev_wq    37        89.068377         2   100         0.000000         0.000000         0.000000         0.000000 0 0 /
>[  515.636874][    C0]  I     edac-poller    38        91.068376         2   100         0.000000         0.000000         0.000000         0.000000 0 0 /
>[  515.636885][    C0]  I      devfreq_wq    39        93.068375         2   100         0.000000         0.000000         0.000000         0.000000 0 0 /
>[  515.636896][    C0]  S       watchdogd    40         0.000000         2    49         0.000000         0.000000         0.000000         0.000000 0 0 /
>[  515.837013][    C0]  I    kworker/0:1H    41     27808.627074      5732   100         0.000000        86.549121         0.000000         0.000000 0 0 /
>[  515.837041][    C0]  S         kswapd0    42       199.526309         3   120         0.000000         1.911840         0.000000         0.000000 0 0 /
>[  515.837053][    C0]  I        kthrotld    48       193.420140         2   100         0.000000         0.005608         0.000000         0.000000 0 0 /
>[  515.837065][    C0]  I     kworker/0:2    50     27827.835634     14242   120         0.000000       394.698892         0.000000         0.000000 0 0 /
>[  515.837077][    C0]  S           khvcd    52     27827.077394        79   120         0.000000         1.121963         0.000000         0.000000 0 0 /
>[  515.837089][    C0]  I             mld    53       264.480858         2   100         0.000000         0.007617         0.000000         0.000000 0 0 /
>[  515.837100][    C0]  I   ipv6_addrconf    54       266.493289         2   100         0.000000         0.015797         0.000000         0.000000 0 0 /
>[  515.837113][    C0]  I           kstrp    59       287.089141         2   100         0.000000         0.006769         0.000000         0.000000 0 0 /
>[  515.837125][    C0]  I    kworker/u3:0    60       288.588902         2   100         0.000000         0.005164         0.000000         0.000000 0 0 /
>[  515.837136][    C0]  I charger_manager   118       574.932355         2   100         0.000000         0.010792         0.000000         0.000000 0 0 /
>[  515.837148][    C0]  I     kworker/0:3   171     25201.831104      3933   120         0.000000       114.745709         0.000000         0.000000 0 0 /
>[  515.837160][    C0]  I    kworker/u2:3   178     27808.629873      1087   120         0.000000        32.763980         0.000000         0.000000 0 0 /
>[  515.837172][    C0]  I          cryptd   320      1672.186802         3   100         0.000000         0.020193         0.000000         0.000000 0 0 /
>[  515.837184][    C0]  I    btrfs-worker   445      1832.440778         2   100         0.000000         0.007781         0.000000         0.000000 0 0 /
>[  515.837196][    C0]  I btrfs-worker-hi   446      1833.943425         2   100         0.000000         0.005705         0.000000         0.000000 0 0 /
>[  515.837208][    C0]  I  btrfs-delalloc   447      1835.445342         2   100         0.000000         0.004461         0.000000         0.000000 0 0 /
>[  515.837220][    C0]  I btrfs-flush_del   448      1836.949143         2   100         0.000000         0.006628         0.000000         0.000000 0 0 /
>[  515.837231][    C0]  I     btrfs-cache   449      1838.451605         2   100         0.000000         0.005211         0.000000         0.000000 0 0 /
>[  515.837242][    C0]  I     btrfs-fixup   450      1839.953329         2   100         0.000000         0.004562         0.000000         0.000000 0 0 /
>[  515.837254][    C0]  I     btrfs-endio   451      1841.457414         2   100         0.000000         0.006771         0.000000         0.000000 0 0 /
>[  515.837265][    C0]  I btrfs-endio-met   452      1842.959456         2   100         0.000000         0.004697         0.000000         0.000000 0 0 /
>[  515.837277][    C0]  I       btrfs-rmw   453      1844.464924         2   100         0.000000         0.008461         0.000000         0.000000 0 0 /
>[  515.837288][    C0]  I btrfs-endio-wri   454      1845.966787         2   100         0.000000         0.004696         0.000000         0.000000 0 0 /
>[  515.837299][    C0]  I btrfs-compresse   455      1847.468913         2   100         0.000000         0.004508         0.000000         0.000000 0 0 /
>[  515.837311][    C0]  I btrfs-freespace   456      1848.974535         2   100         0.000000         0.008743         0.000000         0.000000 0 0 /
>[  515.837323][    C0]  I btrfs-delayed-m   457      1850.476509         2   100         0.000000         0.004874         0.000000         0.000000 0 0 /
>[  515.837334][    C0]  I btrfs-qgroup-re   458      1851.979104         2   100         0.000000         0.005411         0.000000         0.000000 0 0 /
>[  515.837346][    C0]  S   btrfs-cleaner   459     27484.235967        23   120         0.000000         0.221518         0.000000         0.000000 0 0 /
>[  515.837358][    C0]  S btrfs-transacti   460     27487.229407       324   120         0.000000       160.993463         0.000000         0.000000 0 0 /
>[  515.837389][    C0]  S systemd-journal   507      1238.205209      2689   120         0.000000       208.578862         0.000000         0.000000 0 0 /system.slice
>[  515.837402][    C0]  S   systemd-udevd   539      1178.941326       637   120         0.000000       170.199752         0.000000         0.000000 0 0 /system.slice
>[  515.837419][    C0]  I    kworker/u2:5   541     27808.975676      5646   120         0.000000       339.799443         0.000000         0.000000 0 0 /
>[  515.837440][    C0]  S         haveged   576      1237.977361      1266   120         0.000000      1507.229728         0.000000         0.000000 0 0 /system.slice
>[  515.837454][    C0]  S          auditd   698      1226.416647       353   116         0.000000        18.702895         0.000000         0.000000 0 0 /system.slice
>[  515.837466][    C0]  S          auditd   699      1102.067391        54   116         0.000000        10.672354         0.000000         0.000000 0 0 /system.slice
>[  515.837478][    C0]  S     dbus-daemon   739      1238.337872      6521   120         0.000000       399.826708         0.000000         0.000000 0 0 /system.slice
>[  515.837490][    C0]  S       firewalld   742        -4.048576      1050   120         0.000000       819.018728         0.000000         0.000000 0 0 /system.slice
>[  515.837503][    C0]  S           gmain   934        -4.048576         1   120         0.000000         0.095232         0.000000         0.000000 0 0 /system.slice
>[  515.837515][    C0]  S            nscd   753      1237.654231       642   120         0.000000        17.885956         0.000000         0.000000 0 0 /system.slice
>[  515.837527][    C0]  S            nscd   759      1165.910848        19   120         0.000000         2.857509         0.000000         0.000000 0 0 /system.slice
>[  515.837539][    C0]  S            nscd   760       953.172056        14   120         0.000000         0.883093         0.000000         0.000000 0 0 /system.slice
>[  515.837550][    C0]  S            nscd   761      1178.700656        33   120         0.000000         5.638810         0.000000         0.000000 0 0 /system.slice
>[  515.837563][    C0]  S            nscd   762        -4.048576         4   120         0.000000         2.207569         0.000000         0.000000 0 0 /system.slice
>[  515.837584][    C0]  S            nscd   763        -4.048576         2   120         0.000000         0.043352         0.000000         0.000000 0 0 /system.slice
>[  515.837599][    C0]  S            nscd   764      1226.428210        64   120         0.000000         2.804390         0.000000         0.000000 0 0 /system.slice
>[  516.036730][    C0]  S            nscd   765      1226.418933        64   120         0.000000         2.833528         0.000000         0.000000 0 0 /system.slice
>[  516.036761][    C0]  S            nscd   766      1232.902655        64   120         0.000000         3.273695         0.000000         0.000000 0 0 /system.slice
>[  516.036774][    C0]  S            nscd   767      1237.643388        65   120         0.000000         3.415379         0.000000         0.000000 0 0 /system.slice
>[  516.036800][    C0]  S            nscd   768      1226.509882        64   120         0.000000         2.418092         0.000000         0.000000 0 0 /system.slice
>[  516.036812][    C0]  S  systemd-logind   770      1227.729360      2329   120         0.000000       152.552321         0.000000         0.000000 0 0 /system.slice
>[  516.036826][    C0]  S   wickedd-auto4   843        -4.048576        44   120         0.000000        13.391174         0.000000         0.000000 0 0 /system.slice
>[  516.036838][    C0]  S   wickedd-dhcp4   844        -4.048576        70   120         0.000000        15.214716         0.000000         0.000000 0 0 /system.slice
>[  516.036850][    C0]  S   wickedd-dhcp6   845      1098.623674        47   120         0.000000        13.197104         0.000000         0.000000 0 0 /system.slice
>[  516.036873][    C0]  S         wickedd   848        -4.048576        97   120         0.000000        31.517753         0.000000         0.000000 0 0 /system.slice
>[  516.036895][    C0]  S    bpfilter_umh   849      3681.498872        18   120         0.000000         1.551388         0.000000         0.000000 0 0 /
>[  516.036907][    C0]  S   wickedd-nanny   861        -4.048576        66   120         0.000000        18.819539         0.000000         0.000000 0 0 /system.slice
>[  516.036920][    C0]  S         polkitd   923      1238.397427       804   120         0.000000       120.960143         0.000000         0.000000 0 0 /system.slice
>[  516.036942][    C0]  S           gmain   925        -4.048576         2   120         0.000000         0.100614         0.000000         0.000000 0 0 /system.slice
>[  516.036964][    C0]  S    pool-spawner   926        -4.048576         2   120         0.000000         0.123609         0.000000         0.000000 0 0 /system.slice
>[  516.036976][    C0]  S           gdbus   927      1238.845125       818   120         0.000000        62.035922         0.000000         0.000000 0 0 /system.slice
>[  516.036988][    C0]  S        rsyslogd  1390        -4.048576        29   120         0.000000         6.666403         0.000000         0.000000 0 0 /system.slice
>[  516.037000][    C0]  S       in:immark  1398        -4.048576         1   120         0.000000         0.039126         0.000000         0.000000 0 0 /system.slice
>[  516.037013][    C0]  S     in:imuxsock  1399      1237.639399      1325   120         0.000000        29.322251         0.000000         0.000000 0 0 /system.slice
>[  516.037025][    C0]  S       in:imklog  1400      1163.435707         7   120         0.000000         1.137409         0.000000         0.000000 0 0 /system.slice
>[  516.037037][    C0]  S   rs:main Q:Reg  1401      1237.660962      1334   120         0.000000        38.448702         0.000000         0.000000 0 0 /system.slice
>[  516.037049][    C0]  S            sshd  1394       906.759053        64   120         0.000000        21.826805         0.000000         0.000000 0 0 /system.slice
>[  516.037062][    C0]  S             gdm  1423      1226.438679       119   120         0.000000        23.183851         0.000000         0.000000 0 0 /system.slice
>[  516.037074][    C0]  S    pool-spawner  1425        -4.048576         2   120         0.000000         0.153143         0.000000         0.000000 0 0 /system.slice
>[  516.037087][    C0]  S           gmain  1426        -4.048576         1   120         0.000000         0.073267         0.000000         0.000000 0 0 /system.slice
>[  516.037099][    C0]  S           gdbus  1427      1226.498810       132   120         0.000000         9.310009         0.000000         0.000000 0 0 /system.slice
>[  516.037111][    C0]  S             gdm  1545        -4.048576         4   120         0.000000         0.128766         0.000000         0.000000 0 0 /system.slice
>[  516.037124][    C0]  S          master  1511      1167.164500        33   120         0.000000         7.148912         0.000000         0.000000 0 0 /system.slice
>[  516.037136][    C0]  S          pickup  1513      1166.888368        27   120         0.000000         7.900875         0.000000         0.000000 0 0 /system.slice
>[  516.037149][    C0]  S            qmgr  1514      1165.865345        23   120         0.000000         7.451125         0.000000         0.000000 0 0 /system.slice
>[  516.037161][    C0]  S            cron  1533      1167.545704        18   120         0.000000         4.473058         0.000000         0.000000 0 0 /system.slice
>[  516.037173][    C0]  S accounts-daemon  1540      1238.526138       289   120         0.000000        62.437145         0.000000         0.000000 0 0 /system.slice
>[  516.037185][    C0]  S    pool-spawner  1541        -4.048576         3   120         0.000000         0.080296         0.000000         0.000000 0 0 /system.slice
>[  516.037197][    C0]  S           gmain  1542      1237.819037      1497   120         0.000000        19.170174         0.000000         0.000000 0 0 /system.slice
>[  516.037209][    C0]  S           gdbus  1544      1237.745500       232   120         0.000000        16.263628         0.000000         0.000000 0 0 /system.slice
>[  516.037221][    C0]  S               X  1546      1237.728232      4892   120         0.000000       546.262186         0.000000         0.000000 0 0 /system.slice
>[  516.037233][    C0]  S     InputThread  1553      1162.204439        21   120         0.000000         1.840804         0.000000         0.000000 0 0 /system.slice
>[  516.037245][    C0]  S gdm-session-wor  1561        -1.978342       126   120         0.000000        18.697713         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.037260][    C0]  S    pool-spawner  1562        -4.048576         5   120         0.000000         0.086443         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.037293][    C0]  S           gmain  1563        -4.048576         5   120         0.000000         0.094926         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.037306][    C0]  S           gdbus  1565        -2.171876        62   120         0.000000         2.898268         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236391][    C0]  S         systemd  1568        28.649924       149   120         0.000000       137.960597         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/init.scope
>[  516.236426][    C0]  S        (sd-pam)  1569        -4.048576         2   120         0.000000         0.568322         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/init.scope
>[  516.236441][    C0]  S dbus-run-sessio  1579         9.509714         4   120         0.000000         3.520784         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236456][    C0]  S     dbus-daemon  1580      1907.227850      1104   120         0.000000        74.971560         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236471][    C0]  S gnome-session-b  1581      1935.378938       390   120         0.000000        99.442247         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236485][    C0]  S    pool-spawner  1600       996.701466         5   120         0.000000         0.295573         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236499][    C0]  S           gmain  1601       289.438624        10   120         0.000000         0.114639         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236513][    C0]  S           gdbus  1602      1935.062268       377   120         0.000000        23.300386         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236527][    C0]  S    dconf worker  1603       291.998554        16   120         0.000000         0.384827         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236541][    C0]  S at-spi-bus-laun  1588       297.901560        38   120         0.000000         8.068498         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236554][    C0]  S    pool-spawner  1589       163.213773         4   120         0.000000         0.131975         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236568][    C0]  S           gmain  1590       162.171755         1   120         0.000000         0.042898         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236582][    C0]  S    dconf worker  1591      1615.779652        16   120         0.000000         0.682310         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236595][    C0]  S           gdbus  1592       298.005143        32   120         0.000000         1.498577         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236609][    C0]  S     dbus-daemon  1595      1866.750717       159   120         0.000000        11.331139         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236633][    C0]  S     gnome-shell  1609      1972.740164      6351   120         0.000000      1608.556726         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236655][    C0]  S           gmain  1613      1962.359974       181   120         0.000000        15.800089         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236676][    C0]  S    pool-spawner  1614      1939.604554         9   120         0.000000         0.424723         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236696][    C0]  S    dconf worker  1615      1113.913600       119   120         0.000000         3.825408         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236719][    C0]  S       JS Helper  1616      1969.283544       110   120         0.000000        10.492701         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236741][    C0]  S       JS Helper  1617      1969.231342       112   120         0.000000         7.264250         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236782][    C0]  S           gdbus  1618      1950.424681      2094   120         0.000000        70.715846         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236805][    C0]  S  gnome-s:disk$0  1620      1427.773739         2   139         0.000000         0.916974         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236827][    C0]  S     gnome-shell  1821      1104.996943         1   120         0.000000         0.022053         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236851][    C0]  S pool-gnome-shel  2422      1962.339666        10   120         0.000000         0.819343         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236874][    C0]  S mutter-x11-fram  1622      1846.022396       375   120         0.000000       148.407065         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236897][    C0]  S  mutter-:disk$0  1629       641.220903         1   139         0.000000         0.037759         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236919][    C0]  S    pool-spawner  1630       645.276445         3   120         0.000000         0.185492         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236940][    C0]  S           gmain  1631       644.643594         1   120         0.000000         0.052642         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.236963][    C0]  S           gdbus  1632       645.785044        23   120         0.000000         0.700829         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.436843][    C0]  S    dconf worker  1633       647.281841        18   120         0.000000         0.381135         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.436880][    C0]  S at-spi2-registr  1625      1846.551503       173   120         0.000000        14.194929         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.436904][    C0]  S    pool-spawner  1626       592.796376         1   120         0.000000         0.049011         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.436919][    C0]  S           gmain  1627       592.553921         1   120         0.000000         0.054125         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.436933][    C0]  S           gdbus  1628      1846.018891        56   120         0.000000         3.457075         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.436947][    C0]  S xdg-permission-  1638      1135.205656        17   120         0.000000         5.994480         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.436961][    C0]  S    pool-spawner  1639       952.270153         1   120         0.000000         0.102877         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.436995][    C0]  S           gmain  1640       952.239826         1   120         0.000000         0.039287         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437008][    C0]  S           gdbus  1642      1135.282955        19   120         0.000000         0.967357         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437022][    C0]  S         upowerd  1644      1224.040950        98   120         0.000000        32.414777         0.000000         0.000000 0 0 /system.slice
>[  516.437058][    C0]  S    pool-spawner  1649        90.536923         2   120         0.000000         0.117480         0.000000         0.000000 0 0 /system.slice
>[  516.437071][    C0]  S           gmain  1650        89.974854         1   120         0.000000         0.055412         0.000000         0.000000 0 0 /system.slice
>[  516.437093][    C0]  S           gdbus  1651      1224.125206        89   120         0.000000         5.260698         0.000000         0.000000 0 0 /system.slice
>[  516.437115][    C0]  S     gsd-sharing  1653      1845.957105        76   120         0.000000        13.476126         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437129][    C0]  S           gmain  1670      1006.179296         3   120         0.000000         0.074119         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437143][    C0]  S    pool-spawner  1679      1014.859741         4   120         0.000000         0.225842         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437166][    C0]  S    dconf worker  1680      1009.630428         3   120         0.000000         0.138791         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437189][    C0]  S           gdbus  1681      1846.034962        60   120         0.000000         4.320301         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437203][    C0]  S       gsd-wacom  1656      1845.966899       203   120         0.000000        40.536507         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437227][    C0]  S           gmain  1738      1032.278934         3   120         0.000000         0.076210         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437250][    C0]  S    pool-spawner  1761      1035.428594         4   120         0.000000         0.180284         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437264][    C0]  S           gdbus  1765      1846.019773        38   120         0.000000         2.843402         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437280][    C0]  S       gsd-color  1660      1907.608795       199   120         0.000000        33.961991         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437301][    C0]  S           gmain  1748      1026.290245         3   120         0.000000         0.076658         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437324][    C0]  S    pool-spawner  1750      1028.087562         1   120         0.000000         0.094318         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437345][    C0]  S    dconf worker  1751      1028.616954         7   120         0.000000         0.623710         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437368][    C0]  S           gdbus  1754      1846.020836        43   120         0.000000         3.092826         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437392][    C0]  S    gsd-keyboard  1663      1845.965584       231   120         0.000000        30.207089         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437405][    C0]  S           gmain  1744      1025.134846         3   120         0.000000         0.074815         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437418][    C0]  S    pool-spawner  1747      1026.699077         5   120         0.000000         0.176508         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437431][    C0]  S    dconf worker  1749      1036.607920        22   120         0.000000         0.586386         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437455][    C0]  S           gdbus  1752      1846.026174        90   120         0.000000         4.747413         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437477][    C0]  S gsd-print-notif  1665      1845.959116        58   120         0.000000        33.316221         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.437491][    C0]  S           gmain  1759      1034.184796         1   120         0.000000         0.059742         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636619][    C0]  S    pool-spawner  1760      1034.735407         4   120         0.000000         0.190551         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636654][    C0]  S           gdbus  1764      1846.019704        37   120         0.000000         2.896299         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636672][    C0]  S      gsd-rfkill  1671      1846.014430        73   120         0.000000         9.582615         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636686][    C0]  S           gmain  1678      1011.814907         2   120         0.000000         0.072460         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636700][    C0]  S    pool-spawner  1692      1014.913622         5   120         0.000000         0.279958         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636714][    C0]  S           gdbus  1693      1846.022517        87   120         0.000000         5.144786         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636728][    C0]  S   gsd-smartcard  1672      1845.965346        84   120         0.000000        11.912337         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636742][    C0]  S           gmain  1685      1012.980041         2   120         0.000000         0.074145         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636766][    C0]  S    pool-spawner  1695      1014.799199         4   120         0.000000         0.196123         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636789][    C0]  S           gdbus  1696      1846.025382        80   120         0.000000         4.162046         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636803][    C0]  S    dconf worker  1719      1018.574445         6   120         0.000000         0.138551         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636827][    C0]  S    gsd-datetime  1675      1845.954766        56   120         0.000000        15.663779         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636850][    C0]  S           gmain  1731      1020.973055         1   120         0.000000         0.065953         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636863][    C0]  S    pool-spawner  1732      1021.556704         3   120         0.000000         0.131449         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636887][    C0]  S           gdbus  1734      1846.020925        38   120         0.000000         2.797619         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636910][    C0]  S    dconf worker  1740      1023.875165         2   120         0.000000         0.137781         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636925][    C0]  S  gsd-media-keys  1682      1934.268204       301   120         0.000000        43.122007         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636939][    C0]  S           gmain  1766      1037.189557         1   120         0.000000         0.058565         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636953][    C0]  S    pool-spawner  1767      1037.826833         5   120         0.000000         0.167250         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636966][    C0]  S           gdbus  1774      1934.344709       161   120         0.000000        10.981748         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636979][    C0]  S    dconf worker  1778      1041.981991        11   120         0.000000         0.427084         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.636993][    C0]  S gsd-screensaver  1686      1845.964010        53   120         0.000000         8.163462         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637027][    C0]  S           gmain  1699      1016.673202         3   120         0.000000         0.116440         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637040][    C0]  S    pool-spawner  1700      1016.985565         2   120         0.000000         0.101995         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637054][    C0]  S           gdbus  1708      1846.019280        41   120         0.000000         3.432759         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637067][    C0]  S       gsd-sound  1689      1845.956776        78   120         0.000000        13.203201         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637081][    C0]  S           gmain  1724      1021.327959         3   120         0.000000         0.080709         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637094][    C0]  S    pool-spawner  1725      1021.639252         3   120         0.000000         0.129170         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637117][    C0]  S           gdbus  1736      1846.023454        54   120         0.000000         3.467043         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637130][    C0]  S    dconf worker  1742      1025.212514         6   120         0.000000         0.154085         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637154][    C0]  S gsd-a11y-settin  1694      1845.955642        76   120         0.000000        11.403685         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637177][    C0]  S           gmain  1723      1019.959600         2   120         0.000000         0.074571         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637200][    C0]  S    pool-spawner  1730      1021.423815         3   120         0.000000         0.147317         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.637213][    C0]  S           gdbus  1733      1846.022123        70   120         0.000000         3.230653         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837352][    C0]  S    dconf worker  1739      1024.523860        10   120         0.000000         0.213829         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837378][    C0]  S gsd-housekeepin  1703      1910.158619       103   120         0.000000        39.434299         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837403][    C0]  S           gmain  1721      1791.951746        46   120         0.000000         2.162800         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837418][    C0]  S    pool-spawner  1722      1021.650604         1   120         0.000000         0.100157         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837432][    C0]  S           gdbus  1737      1846.022913        85   120         0.000000         3.706361         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837446][    C0]  S    dconf worker  1746      1026.033692        15   120         0.000000         0.272801         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837460][    C0]  S       gsd-power  1704      1934.269888       288   120         0.000000        40.140093         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837474][    C0]  S           gmain  1782      1043.921946         1   120         0.000000         0.054280         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837487][    C0]  S    pool-spawner  1783      1057.813879         3   120         0.000000         0.237178         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837500][    C0]  S           gdbus  1785      1934.345915       168   120         0.000000        11.249600         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837514][    C0]  S    dconf worker  1787      1061.688520        13   120         0.000000         0.221800         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837528][    C0]  S   dconf-service  1758      1038.799958        33   120         0.000000         5.755327         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837542][    C0]  S    pool-spawner  1762      1036.647440         1   120         0.000000         0.083477         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837555][    C0]  S           gmain  1763      1036.665322         1   120         0.000000         0.048623         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837569][    C0]  S           gdbus  1771      1038.324321        10   120         0.000000         0.592352         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837583][    C0]  S     gsd-printer  1775      1615.755371        55   120         0.000000        38.786248         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837597][    C0]  S    pool-spawner  1799      1077.373860         3   120         0.000000         0.190116         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837611][    C0]  S           gmain  1800      1076.809012         1   120         0.000000         0.058135         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837624][    C0]  S           gdbus  1802      1078.941371        41   120         0.000000         1.602267         0.000000         0.000000 0 0 /user.slice/user-466.slice/session-c1.scope
>[  516.837638][    C0]  S      pulseaudio  1781        83.770517       182   120         0.000000        28.100817         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/session.slice
>[  516.837654][    C0]  S       null-sink  1806        68.704556        45   120         0.000000         2.026412         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/session.slice
>[  516.837669][    C0]  S    rtkit-daemon  1786       297.406318       131   121         0.000000        47.493553         0.000000         0.000000 0 0 /system.slice
>[  516.837682][    C0]  S    rtkit-daemon  1788      1237.684653       135   120         0.000000         4.267796         0.000000         0.000000 0 0 /system.slice
>[  516.837694][    C0]  S    rtkit-daemon  1789         0.000000        68     0         0.000000         2.226231         0.000000         0.000000 0 0 /system.slice
>[  516.837706][    C0]  S     dbus-daemon  1813        22.621142        62   120         0.000000         8.829558         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/app.slice
>[  516.837721][    C0]  S        pipewire  1822        61.799643        63   120         0.000000        15.749080         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/session.slice
>[  516.837735][    C0]  S        pipewire  1829        43.377529         4   120         0.000000         0.031169         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/session.slice
>[  516.837749][    C0]  S     wireplumber  1823        92.612737       469   120         0.000000        65.196947         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/session.slice
>[  516.837764][    C0]  S     wireplumber  1828        42.612434         2   120         0.000000         0.027178         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/session.slice
>[  516.837778][    C0]  S           gmain  1835        47.501280         3   120         0.000000         0.081814         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/session.slice
>[  516.837801][    C0]  S    pool-spawner  1842        51.330908         1   120         0.000000         0.103752         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/session.slice
>[  516.837815][    C0]  S           gdbus  1844        55.189503         6   120         0.000000         0.333809         0.000000         0.000000 0 0 /user.slice/user-466.slice/user@466.service/session.slice
>[  516.837830][    C0]  S          agetty  1854       375.151507        13   120         0.000000         5.089443         0.000000         0.000000 0 0 /system.slice
>[  516.837842][    C0]  S          agetty  1857       382.474912        17   120         0.000000         5.458967         0.000000         0.000000 0 0 /system.slice
>[  516.837854][    C0]  S           login  1867       171.658039        59   120         0.000000        44.694054         0.000000         0.000000 0 0 /user.slice/user-0.slice
>[  517.038020][    C0]  S         systemd  1879      2671.858416        97   120         0.000000       122.124806         0.000000         0.000000 0 0 /user.slice/user-0.slice
>[  517.038048][    C0]  S        (sd-pam)  1880        16.273434         2   120         0.000000         0.602797         0.000000         0.000000 0 0 /user.slice/user-0.slice
>[  517.038071][    C0]  S            bash  1891      4694.124648      6260   120         0.000000       884.362488         0.000000         0.000000 0 0 /user.slice/user-0.slice
>[  517.038094][    C0]  S           login  2103        -2.361146        67   120         0.000000        59.822890         0.000000         0.000000 0 0 /user.slice/user-1000.slice/session-4.scope
>[  517.038120][    C0]  S         systemd  2120        16.770871        97   120         0.000000       126.962311         0.000000         0.000000 0 0 /user.slice/user-1000.slice/user@1000.service/init.scope
>[  517.038145][    C0]  S        (sd-pam)  2121        -4.048576         2   120         0.000000         0.543062         0.000000         0.000000 0 0 /user.slice/user-1000.slice/user@1000.service/init.scope
>[  517.038160][    C0]  S            bash  2132      6589.981396       282   120         0.000000        61.897646         0.000000         0.000000 0 0 /user.slice/user-1000.slice/session-4.scope
>[  517.038175][    C0]  S           login  2368      4698.457669        52   120         0.000000        52.814168         0.000000         0.000000 0 0 /user.slice/user-0.slice
>[  517.038188][    C0]  S            bash  2375      4899.669937       250   120         0.000000        51.164204         0.000000         0.000000 0 0 /user.slice/user-0.slice
>[  517.038201][    C0] 
>[  517.038205][    C0] Showing busy workqueues and worker pools:
>[  517.038278][    C0] sysrq: Show Blocked State
>  
>[  517.041450][  T507] systemd-journald[507]: /dev/kmsg buffer overrun, some messages lost.
>zDBFr-0-
> 
>vnc_two_passwords
>none	
>rrdtool_x11
>none	
>yast2_lan_restart
>none	
>keyboard_layout_gdm
>none	
> console
>check_default_network_manager
>none	
>coredump_collect
>none	
>zypper_log_packages
>none	
>Internal chat channel Daily openQA review reports SLE15 staging dashboard
>openQA is licensed GPL-2.0 - Version 4.6.1706881004.0d50a814

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Attachments on bug 1219546: 872439 | 872485 | 872486 | 872487