Re: [gentoo-user] Kernel BUG

["Hazen Valliant-Saunders" <hazenvs@gmail.com>]

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On Tue, Nov 4, 2008 at 7:43 AM, David Relson <relson@osagesoftware.com>wrote:

> For about a week, my workstation has been crashing every day or so.
> Typically it happens late at night while BackupPC is backing up a hard
> drive. With "tail -F /var/log/messages" running I saw EXT3 mentioned a
> few days ago and started suspecting a hard drive problem.
>
> Last night it happened again.  This time my "tail ..." window was
> opened full screen so I saw all the messages and know more.  Here's
> part of what I wrote down (until I got tired of writing):
>
>  BUG unable to handle kernel NULL pointer dereference at 0000008
>  IP   ffffff8027ce14 free_block+0xb4/0x160
>  PGD 11b638067 PUD 11b631067 PMD 0
>  Oops 0002[1]SMP
>  ...
>  Call Trace
>     8027cac0 cache_flusharray+0x60/0xe0
>     8027cc46 kmem_cache_free
>
> I'm running a 2.6.25-gentoo-r7
>
> To learn more about what's happening (and to more easily record
> all the kernel messages), I'm now running "tail -F /var/log/messages"
> from a second machine (via an SSH session).
>
> Questions:
>
>  Is there a better way to capture the full BUG output???
>  Once I have the full BUG output, what's the next useful thing to do?
>
> Thanks!
>
> David
>
>
>


-- 
Hazen Valliant-Saunders
IT/IS Consultant
(613) 355-5977

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