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Date: Tue, 4 Nov 2008 08:17:40 -0500
From: "Hazen Valliant-Saunders" <hazenvs@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Kernel BUG
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join the lkml (linux kernel mailing list) and let them know about it?

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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join the lkml (linux kernel mailing list) and let them know about it?<br><br><div class="gmail_quote">On Tue, Nov 4, 2008 at 7:43 AM, David Relson <span dir="ltr">&lt;<a href="mailto:relson@osagesoftware.com">relson@osagesoftware.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">For about a week, my workstation has been crashing every day or so.<br>
Typically it happens late at night while BackupPC is backing up a hard<br>
drive. With &quot;tail -F /var/log/messages&quot; running I saw EXT3 mentioned a<br>
few days ago and started suspecting a hard drive problem.<br>
<br>
Last night it happened again. &nbsp;This time my &quot;tail ...&quot; window was<br>
opened full screen so I saw all the messages and know more. &nbsp;Here&#39;s<br>
part of what I wrote down (until I got tired of writing):<br>
<br>
 &nbsp;BUG unable to handle kernel NULL pointer dereference at 0000008<br>
 &nbsp;IP &nbsp; ffffff8027ce14 free_block+0xb4/0x160<br>
 &nbsp;PGD 11b638067 PUD 11b631067 PMD 0<br>
 &nbsp;Oops 0002[1]SMP<br>
 &nbsp;...<br>
 &nbsp;Call Trace<br>
 &nbsp; &nbsp; 8027cac0 cache_flusharray+0x60/0xe0<br>
 &nbsp; &nbsp; 8027cc46 kmem_cache_free<br>
<br>
I&#39;m running a 2.6.25-gentoo-r7<br>
<br>
To learn more about what&#39;s happening (and to more easily record<br>
all the kernel messages), I&#39;m now running &quot;tail -F /var/log/messages&quot;<br>
from a second machine (via an SSH session).<br>
<br>
Questions:<br>
<br>
 &nbsp;Is there a better way to capture the full BUG output???<br>
 &nbsp;Once I have the full BUG output, what&#39;s the next useful thing to do?<br>
<br>
Thanks!<br>
<font color="#888888"><br>
David<br>
<br>
<br>
</font></blockquote></div><br><br clear="all"><br>-- <br>Hazen Valliant-Saunders<br>IT/IS Consultant<br>(613) 355-5977<br>

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