On Sun, Nov 13, 2005 at 01:00:41AM -0700, nitin ahuja wrote:
> Hi,
>
> I am using linux-2.6.9 on MPC7447A. I got a weird crash:
>
> --- begin ---
>
> Oops: kernel access of bad area, sig: 11 [#1]
> PREEMPT
> NIP: 1001B7DC LR: 1000136C SP: 7FFFFD00 REGS: cf109f50 TRAP: 0300 Not tainted
> MSR: 0000f932 EE: 1 PR: 1 FP: 1 ME: 1 IR/DR: 11
> DAR: 80001F76, DSISR: 42000000
> TASK = cf958090[3222] 'crashme' THREAD: cf108000Last syscall: 27
> GPR00: 000007D0 7FFFFD00 30014074 0000000A 10001B5C 28000444 0000000A 0FF517D8
> GPR08: 0000F932 1001B7D0 00001032 FFFFFDFC CF108000 1001ABA0 0FF34700 00000000
> GPR16: 00000001 30014978 65786563 7FFFFA38 00000000 00000001 00000001 00000000
> GPR24: 0FFECF9C 00000007 100013A0 7FFFFE58 7FFFFE04 10010000 0FFE568F 7FFFFD00
> NIP [1001b7dc] 0x1001b7dc
> LR [1000136c] 0x1000136c
> note: crashme[3222] exited with preempt_count 15
> bad: scheduling while atomic!
> Call trace:
> [c000bedc] dump_stack+0x18/0x28
> [c0204940] schedule+0x680/0x684
> [c004e4fc] unmap_vmas+0x1ec/0x208
> [c0054e24] exit_mmap+0x74/0x174
> [c00199ac] mmput+0x94/0x100
> [c001ef88] do_exit+0x208/0x5b0
> [c0008844] die+0xdc/0xf4
> [c0012eb4] bad_page_fault+0x5c/0x60
> [c0008320] handle_page_fault+0x7c/0x80
>
> --- end ---
>
> I have added a few drivers to the kernel. But I doubt it is a issue with that.
>
> Any insights ?
You've observed a crash in a kernel that is more than one year old
which means noone will want to spend much time debugging this issue
since it's quite likely it's already fixed.
Can you reproduce this crash with a vanilla ftp.kernel.org
2.6.14.2 kernel?
> Cheers,
> niTin
cu
Adrian
--
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of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
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