Bugzilla – Bug 568244
BUG message appears in the kernel's log when booting
Last modified: 2010-01-13 18:45:50 UTC
User-Agent: Mozilla/5.0 (X11; U; Linux i686; es-ES; rv:1.9.1.6) Gecko/20091201 SUSE/3.5.6-1.1.1 Firefox/3.5.6 Simply, when I boot my laptop I take this message at kernel log repeatedly (around 10 consecutive times): [ 0.036267] BUG: scheduling while atomic: swapper/0/0x10000002 After this, the boot continues normally and system runs without any problem (apparently). My laptop is a Lenovo 3000 N100, using Intel chipsets and a Centrino Duo T2300 processor. Here yo have a 'lspci' response from it, for your consideration: 00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03) 00:01.0 PCI bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express PCI Express Root Port (rev 03) 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02) 00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02) 00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 02) 00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 02) 00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2) 00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02) 00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller (rev 02) 00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02) 01:00.0 VGA compatible controller: nVidia Corporation G72M [Quadro NVS 110M/GeForce Go 7300] (rev a1) 03:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02) 05:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) 05:04.0 CardBus bridge: ENE Technology Inc CB1410 Cardbus Controller (rev 01) 05:06.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller 05:06.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19) 05:06.2 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 0a) 05:06.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 05) 05:06.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev ff) I attach the /var/log/boot.msg file to give you more data from the log. In order to made reading more easy, I tell you that the problem appears in the log from [0.018393] to [0.382040] (kernel running time). Thank you very much. Reproducible: Always Steps to Reproduce: 1.Just boot the computer. 2.GRUB takes the OS choice openSUSE. 3.Kernel boots and the error appears.
Created attachment 334936 [details] /var/log/boot.msg file
Created attachment 336080 [details] Boot Log File
First instance of BUG in log: <6>[ 0.057628] Checking 'hlt' instruction... OK. <6>[ 0.062238] Unpacking initramfs... <3>[ 0.069999] BUG: scheduling while atomic: swapper/0/0x10000002 <4>[ 0.070008] Modules linked in: <4>[ 0.070014] Pid: 0, comm: swapper Not tainted 2.6.31.8-0.1-desktop #1 <4>[ 0.070020] Call Trace: <4>[ 0.070038] [<c020845a>] try_stack_unwind+0x17a/0x1a0 <4>[ 0.070045] [<c020708c>] dump_trace+0x6c/0x130 <4>[ 0.070052] [<c0208008>] show_trace_log_lvl+0x58/0x80 <4>[ 0.070059] [<c0208056>] show_trace+0x26/0x40 <4>[ 0.070066] [<c0692e53>] dump_stack+0x79/0x91 <4>[ 0.070074] [<c023f137>] __schedule_bug+0x87/0x90 <4>[ 0.070081] [<c0693b88>] schedule+0x688/0x7a0 <4>[ 0.070087] [<c02480eb>] __cond_resched+0x2b/0x60 <4>[ 0.070094] [<c0693dfd>] _cond_resched+0x3d/0x50 <4>[ 0.070101] [<c02d3adc>] generic_perform_write+0x13c/0x1e0 <4>[ 0.070108] [<c02d3bfb>] generic_file_buffered_write+0x7b/0x150 <4>[ 0.070115] [<c02d55c3>] __generic_file_aio_write_nolock+0x213/0x530 <4>[ 0.070122] [<c02d5a15>] generic_file_aio_write+0x65/0xe0 <4>[ 0.070129] [<c031538c>] do_sync_write+0xdc/0x130 <4>[ 0.070136] [<c03156ba>] vfs_write+0xba/0x1b0 <4>[ 0.070142] [<c03160c3>] sys_write+0x53/0xa0 <4>[ 0.070149] [<c0981627>] do_copy+0xa1/0xe6 <4>[ 0.070156] [<c0980f6b>] flush_buffer+0x81/0xb8 <4>[ 0.070163] [<c09a770d>] gunzip+0x374/0x428 <4>[ 0.070170] [<c098147b>] unpack_to_rootfs+0x29f/0x3aa <4>[ 0.070176] [<c0981ef9>] populate_rootfs+0x59/0x87 <4>[ 0.070182] [<c097fcd3>] start_kernel+0x38d/0x3ae <4>[ 0.070189] [<c097f087>] i386_start_kernel+0x87/0x9f <3>[ 0.079056] BUG: scheduling while atomic: swapper/0/0x10000002 <4>[ 0.079065] Modules linked in: <4>[ 0.079071] Pid: 0, comm: swapper Not tainted 2.6.31.8-0.1-desktop #1 <4>[ 0.079076] Call Trace: <4>[ 0.079089] [<c020845a>] try_stack_unwind+0x17a/0x1a0 <4>[ 0.079096] [<c020708c>] dump_trace+0x6c/0x130 <4>[ 0.079103] [<c0208008>] show_trace_log_lvl+0x58/0x80
This is a duplicate of bnc#568120. *** This bug has been marked as a duplicate of bug 568120 ***