Re: [BUG] at mm/slab.c:1235! (Version 2.6.15)

From: Pekka Enberg
Date: Wed Jan 18 2006 - 07:20:46 EST


Hi,

On 1/18/06, Sven Lauritzen <the-pulse@xxxxxxx> wrote:
> Last night my machine crashed and I found this report in the syslog.
> Kernel version is 2.6.15 vanilla. I've pasted .config and lspci -vvv
> output. Please let me know if you need more information. I hope this is
> the right place to drop the report.

Try enabling CONFIG_DEBUG_SLAB and CONFIG_DEBUG_PAGEALLOC to see if
they pick up anything.

On 1/18/06, Sven Lauritzen <the-pulse@xxxxxxx> wrote:
> Jan 18 06:27:16 berlin kernel: kernel BUG at mm/slab.c:1235!
> Jan 18 06:27:16 berlin kernel: invalid operand: 0000 [#1]
> Jan 18 06:27:16 berlin kernel: PREEMPT
> Jan 18 06:27:16 berlin kernel: Modules linked in: snd_ens1371
> snd_ac97_codec snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi
> snd_seq_midi_event snd_seq snd_seq_device snd_ac97_bus
> Jan 18 06:27:16 berlin kernel: CPU: 0
> Jan 18 06:27:16 berlin kernel: EIP: 0060:[<c013f4bd>] Not tainted
> VLI
> Jan 18 06:27:16 berlin kernel: EFLAGS: 00010046 (2.6.15)
> Jan 18 06:27:16 berlin kernel: EIP is at kmem_freepages+0x3d/0xa0

I don't quite see how this could happen. Is the box otherwise stable?
Have you run memtest86 on it?

Pekka
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