2008/5/5 Roberto A. Foglietta <roberto.foglietta@xxxxxxxxx>: > 2008/4/18 Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx>: > > > > Hi alll > > > > > > On Thu, Apr 17, 2008 at 4:45 PM, Gaurav Aggarwal > > <Gaurav.Aggarwal@xxxxxxxxxx> wrote: > > > "BUG: scheduling while atomic: snoopy/0x00000001/1666" > > > > > > From this statement it looks that you are calling blocking/sleeping > > > function inside the critical section or code path where it's not > > > allowed. This will be really helpful if you just describe about the > > > stuff that you are trying to do when you get this error. > > > To know more about oops message you can read the oops-tracing.txt doc > > > from linux-2.x.y/Documentation folder. > > > > I try to sharpen the analysis. The stack trace show handle_page_fault, > > thus it is possible there's blocking memory allocation inside non > > preemptible code section. > > > > Thank you for your suggestion but... in a way or another I still see > some of these oops. > The attached text file is reporting some warnings from pcmcia-cs at > boot start and two oopses. > The first oops happened during the startup and the second one happen > calling hwclock in shutdown. > Despite the oops message I think could be exist a relation between > pcmcia-cs warnings and these oops. > Do you agree? If yes: how could I verify a thing like this? > > Thanks in advance, > -- > /roberto > Sorry for having forgotten the attachment! :-) -- /roberto
cardmgr[169]: cannot access /lib/modules/2.6.21.7: No such file or directory pcmcia: Detected deprecated PCMCIA ioctl usage from process: cardmgr. pcmcia: This interface will soon be removed from the kernel; please expect breakage unless you upgrade to new tools. pcmcia: see http://www.kernel.org/pub/linux/utils/kernel/pcmcia/pcmcia.html for details. cardmgr[169]: watching 1 socket cardmgr[169]: could not adjust resource: IO ports 0x400-0x4ff: Input/output error cardmgr[169]: could not adjust resource: IO ports 0-0xff: Input/output error cardmgr[169]: could not adjust resource: memory 0xa0000000-0xa0ffffff: Input/output error cardmgr[169]: could not adjust resource: IO ports 0xa00-0xaff: Input/output error cardmgr[169]: could not open /var/run/cardmgr.pid: No such file or directory cardmgr[169]: fopen(stabfile) failed: No such file or directory cardmgr[169]: socket 0: ATA/IDE Fixed Disk cardmgr[169]: fopen(stabfile) failed: No such file or directory cardmgr[169]: executing: './ide start hda 2>&1' cardmgr[169]: + ./ide: 34: /sbin/ide_info: not found cardmgr[169]: + ./ide: 73: /usr/sbin/updfstab: not found cardmgr[169]: exiting Oops: kernel access of bad area, sig: 11 [#1] PREEMPT NIP: 00000000 LR: 00000000 CTR: 00000000 REGS: ced75c90 TRAP: 0400 Not tainted (2.6.21.7) MSR: 20009032 <EE,ME,IR,DR> CR: 24048888 XER: 20000000 TASK = cfb61850[1745] 'startup.sh' THREAD: ced74000 GPR00: 00000000 CED75D40 CFB61850 C02F5630 C0400000 10040000 10000000 C0543060 GPR08: 1003F000 C02F0000 0000F603 00000000 44048882 10089214 00000000 00000000 GPR16: CFBFE8E0 00000007 CED75F50 00000000 00000000 C02F5630 00000001 CED75D5C GPR24: 00000000 CED75D58 00000000 00000001 FFFFFFFF 10070000 10040000 CF5D7764 NIP [00000000] 0x0 LR [00000000] 0x0 Call Trace: Instruction dump: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX note: startup.sh[1745] exited with preempt_count 1 Segmentation fault Oops: kernel access of bad area, sig: 11 [#1] PREEMPT NIP: 00000000 LR: 00000000 CTR: 00000000 REGS: ced0fdd0 TRAP: 0400 Not tainted (2.6.21.7) MSR: 20009032 <EE,ME,IR,DR> CR: 28004428 XER: 20000000 TASK = cfaba810[1903] 'hwclock' THREAD: ced0e000 GPR00: 00000000 CED0FE80 CFABA810 C02F5630 C0400000 30009000 30001000 C0366FC0 GPR08: 30008000 C02F0000 000007FE 00000000 48004422 10089214 0FFC4000 00000001 GPR16: FFFFFFFF 007FFF00 0FFBF6D8 00000000 00000000 C02F5630 00000001 CED0FE9C GPR24: 00000000 CED0FE98 00000000 00000001 FFFFFFFF 3001A000 30009000 CC6423C8 NIP [00000000] 0x0 LR [00000000] 0x0 Call Trace: Instruction dump: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX Fixing recursive fault but reboot is needed! BUG: scheduling while atomic: hwclock/0x00000001/1903 Call Trace: [CED0FCD0] [C000C174] show_stack+0x4c/0x194 (unreliable) [CED0FD10] [C02386C4] schedule+0x6a4/0x6a8 [CED0FD50] [C001B490] do_exit+0x440/0x480 [CED0FD80] [C0004AD8] die+0xc4/0xcc [CED0FDA0] [C000E1B0] bad_page_fault+0x5c/0x60 [CED0FDC0] [C000459C] handle_page_fault+0x7c/0x80 [CED0FE80] [00000000] 0x0
