Bug 116138 - oops in cfq_kick_queue
Summary: oops in cfq_kick_queue
Status: RESOLVED FIXED
Alias: None
Product: SUSE LINUX 10.0
Classification: openSUSE
Component: Kernel (show other bugs)
Version: RC 1
Hardware: PowerPC Linux
: P5 - None : Normal
Target Milestone: ---
Assignee: Jens Axboe
QA Contact: E-mail List
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2005-09-09 14:08 UTC by Olaf Hering
Modified: 2008-07-16 15:46 UTC (History)
0 users

See Also:
Found By: Development
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---

Attachments
dmesg-cfq-oops.txt (24.70 KB, text/plain)
2005-09-09 14:14 UTC, Olaf Hering 		Details
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Description Olaf Hering 2005-09-09 14:08:09 UTC 
Oops: kernel access of bad area, sig: 11 [#1]
NIP: C01EB2B4 LR: C002A8EC SP: E7D0FF60 REGS: e7d0feb0 TRAP: 0300    Not tainted
MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
DAR: 00000004, DSISR: 40000000
TASK = e7c331e0[101] 'kblockd/0' THREAD: e7d0e000
Last syscall: -1 
GPR00: C002A8EC E7D0FF60 E7C331E0 C41F9DFC E7D0FF80 00000001 00000000 E7D0FF8C 
GPR08: C1B58D88 00000000 00000000 FFFFFFFF 00000000 00000000 00000000 00000000 
GPR16: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
GPR24: 00000000 0048B6EC 41400000 C0D23F0C 00000000 00009032 C1B58D88 C41F9DFC 
NIP [c01eb2b4] cfq_kick_queue+0x18/0xa4
LR [c002a8ec] worker_thread+0x184/0x204
Call trace:
 [c002a8ec] worker_thread+0x184/0x204
 [c002f6d4] kthread+0xc4/0x100
 [c0007154] kernel_thread+0x44/0x60


current cvs kernel
Comment 1 Olaf Hering 2005-09-09 14:14:03 UTC 
Created attachment 49409 [details]
dmesg-cfq-oops.txt
Comment 2 Olaf Hering 2005-09-09 14:15:10 UTC 
Sep  9 15:47:55 linux resmgr[4429]: set_facl() - ACL error on /dev/sdb3,
acl_set_file: No such file or directory
Sep  9 15:47:55 linux hal-subfs-mount[8670]: By hald-subfs-mount created dir
/media/ipod got removed.
Sep  9 15:48:42 linux kernel: usb 4-2: USB disconnect, address 3
Sep  9 15:49:13 linux kernel: adt746x: Stopping fans.
Sep  9 15:49:13 linux kernel: adt746x: Setting speed to 0 for CPU BOTTOMSIDE fan.
Sep  9 15:51:05 linux syslog-ng[4109]: STATS: dropped 0
Sep  9 15:51:43 linux kernel: Oops: kernel access of bad area, sig: 11 [#1]
Sep  9 15:51:43 linux kernel: NIP: C01EB2B4 LR: C002A8EC SP: E7D0FF60 REGS:
e7d0feb0 TRAP: 0300    Not tainted
Sep  9 15:51:43 linux kernel: MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11
Sep  9 15:51:43 linux kernel: DAR: 00000004, DSISR: 40000000
Sep  9 15:51:43 linux kernel: TASK = e7c331e0[101] 'kblockd/0' THREAD: e7d0e000
Sep  9 15:51:43 linux kernel: Last syscall: -1 
Sep  9 15:51:43 linux kernel: GPR00: C002A8EC E7D0FF60 E7C331E0 C41F9DFC
E7D0FF80 00000001 00000000 E7D0FF8C 
Sep  9 15:51:43 linux kernel: GPR08: C1B58D88 00000000 00000000 FFFFFFFF
00000000 00000000 00000000 00000000 
Sep  9 15:51:43 linux kernel: GPR16: 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 
Sep  9 15:51:43 linux kernel: GPR24: 00000000 0048B6EC 41400000 C0D23F0C
00000000 00009032 C1B58D88 C41F9DFC 
Sep  9 15:51:43 linux kernel: NIP [c01eb2b4] cfq_kick_queue+0x18/0xa4
Sep  9 15:51:43 linux kernel: LR [c002a8ec] worker_thread+0x184/0x204
Sep  9 15:51:43 linux kernel: Call trace:
Sep  9 15:51:43 linux kernel:  [c002a8ec] worker_thread+0x184/0x204
Sep  9 15:51:43 linux kernel:  [c002f6d4] kthread+0xc4/0x100
Sep  9 15:51:43 linux kernel:  [c0007154] kernel_thread+0x44/0x60
Sep  9 15:53:25 linux kernel: adt746x: setting fans speed to 91 (limit exceeded
by 2 on CPU BOTTOMSIDE) 
Sep  9 15:53:25 linux kernel: adt746x: Setting speed to 91 for CPU BOTTOMSIDE fan.
Comment 3 Olaf Hering 2005-09-09 18:00:10 UTC 
data->elevator is null.

c01eb29c <cfq_kick_queue>:
c01eb29c:       7c 08 02 a6     mflr    r0
c01eb2a0:       94 21 ff f0     stwu    r1,-16(r1)
c01eb2a4:       bf c1 00 08     stmw    r30,8(r1)
c01eb2a8:       7c 7f 1b 78     mr      r31,r3
c01eb2ac:       90 01 00 14     stw     r0,20(r1)
c01eb2b0:       81 23 00 0c     lwz     r9,12(r3)
c01eb2b4:       81 29 00 04     lwz     r9,4(r9)
Comment 4 Jens Axboe 2005-09-10 12:13:08 UTC 
Olaf, please try a kernel built from current HEAD, it should be fixed now.
Comment 5 Olaf Hering 2005-09-15 15:44:45 UTC 
Its likely fixed.