Re: 2.5.47-ac4 panic on boot.

[Andrew Morton]

Justin A wrote:
> 
> My thinkpad 760e starts to boot but panics while running depmod -a:
> (unfortunately the top is cut off...it doesn't fit:))
> 
> ...
> CPU:    0
> EIP:    0060:[<c012b914>]       Not tainted
> EFLAGS: 00010006
> EIP is at reap_timer_fnc+0x104/0x40c
> eax: 00000002   ebx: c47ffab4   ecx: c47fe8a0   edx: 00000003
> esi: 00000002   edi: c4742414   ebp: c47ffa98   esp: c031df8c
> ds: 0068   es: 0068   ss: 0068
> Process swapper (pid: 0, threadinfo=c031c000 task=c02da3e0)
> Stack: same as call trace...
> 
> Call trace:
>  [<c012b810>] reap_timer_fnc+0x0/0x40c
>  [<c011ae47>] run_timer_tasklet+0xb7/0xe8
>  [<c0117f39>] tasklet_hi_action+0x3d/0x60
>  [<c0117d5a>] do_softirq+0x5a/0xac
>  [<c010a268>] do_IRQ+0xc8/0xd4
>  [<c0105000>] stext+0x0/0x1c
>  [<c0108b03>] common_interrupt+0x43/x060
> 
> Code: 0f 0b fb 07 a8 fe 21 c0 8d 74 26 00 8b 41 04 8b 11 89 42 04
> 
> I tried it a few times...the last few change, but its always in
> reap_timer_fnc.
> 

This is probably a dodgy device driver doing something bad with
kmalloced memory.

If you have time, please go through and disable various drivers
in config, see if you can isolate it to a particular one.

Thanks.