linux-kernel - Re: Kernel oops !!! Help !!!

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Message-ID: <alpine.LNX.2.00.1101070008200.13988@swampdragon.chaosbits.net>
Date:	Fri, 7 Jan 2011 00:10:46 +0100 (CET)
From:	Jesper Juhl <jj@...osbits.net>
To:	Sung-Uk Park <nothing@...ys.com>
cc:	linux-kernel@...r.kernel.org
Subject: Re: Kernel oops !!! Help !!!

On Tue, 28 Dec 2010, Sung-Uk Park wrote:

> Hi there...
>  
> I got kernel oops please anybody help me~~~~
>  
> Dump message :
>  
> CPU 0 Unable to handle kernel paging request at virtual address 00000084,
> epc == 8000cb68, ra == 80001624
> Kernel unaligned instruction access[#1]:
> Cpu 0
> $ 0   : 00000000 1000ff00 b4b43427 18800010
> $ 4   : c3645514 8000a210 00000000 801ce4a0
> $ 8   : 1000ff00 86ff20e8 00000023 2aaf8000
> $12   : 00000022 92190000 8053b5e4 00000010
> $16   : 86ff20e8 dbfe7cce 80540000 0000001d
> $20   : 00000000 0000006d 00030000 801d0000
> $24   : 00000008 00000001                  
> $28   : 86ff2000 86ff20c0 000005a8 80001624
> Hi    : 00000095
> Lo    : e9e7e000
> epc   : 8000a210 do_ade+0x40/0x310     Not tainted
> ra    : 80001624 _ret_from_irq+0x0/0x10
> Status: 1000ff02    KERNEL EXL 
> Cause : 18800010
> BadVA : b4b4373b
> PrId  : 0001906c
> Modules linked in: rtdrv zpdrv rtk rtcore
> Process B1He?‡&QB½P±Ô´† #pÛþ|? (pid: 411041808, threadinfo=86ff2000,
> task=86ff20e8)
> Stack : cb433090 a750b81e d66b2c4f 704a712a b6dae55a 5c67eb64 86ff21c0
> dbfe7cce
>         80001624 58ef86ef 7a8f6d31 ff1be7c0 b8bc6a6b b16d3d75 f8775180
> e5c27d9f
>         00000000 1000ff00 b4b43427 18800010 c3645514 8000a210 00000000
> 801ce4a0
>         1000ff00 86ff21c0 00000023 2aaf8000 00000022 92190000 8053b5e4
> 00000010
>         86ff21c0 dbfe7cce 80540000 0000001d 00000000 0000006d 00030000
> 801d0000
>         ...
> Call Trace:
> [<8000a210>] do_ade+0x40/0x310
>  
> 
> Code: 00000000  8f820000  8e0300a8 <8c440314> 3c028000  00621824  30840001
> 24a20004  1080009b 
> Kernel panic - not syncing: Fatal exception in interrupt
>  Machine Restart ...
> ..
> 
> 
>  
> I am using MIPS CPU with linux kernel 2.6.19.
> What is the problem?
> Need more informations?
>  

Perhaps you could tell us what you were doing when you hit this oops.
Can you reproduce it? If you can, then a dump from a kernel with more 
debug info enabled would probably help.
Does it happen with a recent kernel like 2.6.37? (2.6.19 really is in the 
stone age by now).

-- 
Jesper Juhl <jj@...osbits.net>            http://www.chaosbits.net/
Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html
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