linux-kernel - Re: System lockup with 2.6.38-rc4+

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Date:	Mon, 14 Feb 2011 13:09:03 -0500
From:	Ben Gamari <bgamari.foss@...il.com>
To:	chris2553@...glemail.com, LKML <linux-kernel@...r.kernel.org>
Cc:	Chris Wilson <chris@...is-wilson.co.uk>
Subject: Re: System lockup with 2.6.38-rc4+

On Mon, 14 Feb 2011 17:31:29 +0000, Chris Clayton <chris2553@...glemail.com> wrote:
> Hi,
> 
> I'm not subscribed, so please cc me on any reply.
> 
> I've just had a complete system lock up with a kernel that I pulled, built and 
> installed yesterday morning. IT was locked hard and I had to power off and on 
> to get it back.
>
It looks like the GPU barfed. If you SSH'd in to the machine you'd find
that everything but the display and resources held by the hung X server
would be fine. Were you doing anything particular in your X session when
this happened? There's a good chance this isn't actually a kernel bug
but instead is a DRI client doing something dumb.

Cheers, 

- Ben

P.S. The bzipped kernel image generally won't help in diagnosing the
problem. The most important thing to include in a bug report is the
kernel version and the dmesg output from the failure if available. Folks
will ask later if more is necessary.
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