Stephen Gran on 31 Oct 2007 19:13:04 -0000


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Re: [PLUG] Kernel BUG?


On Wed, Oct 31, 2007 at 02:20:43PM -0400, Mike Leone said:
> Can anyone help me decipher this? It happened to me earlier today ...

Kernel panic, due to an unchecked parameter somewhere, it looks like.

> Debian testing, kernel 2.6.22-7. CPU is a Duron 1.6GHz, so the kernel image
> I installed is a K7 one.
> 
> Linux mail 2.6.22-2-k7 #1 SMP Fri Aug 31 01:02:37 UTC 2007 i686 GNU/Linux
> 
> > Oct 31 13:07:57 mail kernel: BUG: unable to handle kernel paging request at virtual address 5c000060

So a piece of memory was asked for, but the kernel couldn't satisfy the
request.

> > Oct 31 13:07:57 mail kernel: EIP:    0060:[<c018bd95>]    Not tainted VLI

Good, no dodgy out of tree modules.

> > Oct 31 13:07:57 mail kernel: EIP is at do_mpage_readpage+0x4b/0x5d2
> > Oct 31 13:07:57 mail kernel: Call Trace:
> > Oct 31 13:07:57 mail kernel:  [<e89656f5>] ext3_get_block+0x0/0xd0 [ext3]

0x0 is not a valid memory address.  Clearly a bug.  Submit it to the BTS
(although good luck with our kernel team - they are less than friendly.
-- 
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|  Stephen Gran                  | It was one of those perfect summer days |
|  steve@lobefin.net             | -- the sun was shining, a breeze was    |
|  http://www.lobefin.net/~steve | blowing, the birds were singing, and    |
|                                | the lawn mower was broken ...   --      |
|                                | James Dent                              |
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