linux-kernel - Re: Radeon RS780 - BUG: unable to handle kernel NULL pointer dereference

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Date:	Mon, 8 Nov 2010 19:43:02 +0100
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	dri-devel@...ts.freedesktop.org
Cc:	linux-kernel@...r.kernel.org, airlied@...ux.ie
Subject: Re: Radeon RS780 - BUG: unable to handle kernel NULL pointer
 dereference

On Mon, Nov 08, 2010 at 06:07:37PM +0100, Markus Trippelsdorf wrote:
> On Mon, Nov 08, 2010 at 06:02:21PM +0100, Markus Trippelsdorf wrote:
> > I can trigger a kernel crash on my system by simply loading this png
> > image with firefox:
> > http://mediaarchive.cern.ch/MediaArchive/Photo/Public/2010/1011251/1011251_01/1011251_01-A4-at-144-dpi.jpg
> 
> Sorry the above link is wrong, this is the right one (that triggers the
> crash):
> http://cdsweb.cern.ch/record/1305179/files/HI-150431-630470-huge.png

I triggered it a few more times and took the attached picture.
It points to the BUG() call at drivers/gpu/drm/ttm/ttm_bo.c:1628 .
(Sorry for the bad picture quality)
-- 
Markus

Download attachment "ttm_BUG.jpg" of type "image/jpeg" (440529 bytes)