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SubjectRe: g33: tiled output
On Thu, Dec 01, 2011 at 05:01:13PM +0100, Jiri Slaby wrote:
> On 12/01/2011 04:49 PM, Jiri Slaby wrote:
> > On 12/01/2011 04:42 PM, Daniel Vetter wrote:
> >> On Thu, Dec 01, 2011 at 03:37:44PM +0100, Jiri Slaby wrote:
> >>> For some time, I'm seeing a tiled output like:
> >>> http://www.fi.muni.cz/~xslaby/sklad/panics/bad_tile.png
> >>>
> >>> This happens sometimes when I open selected pages in firefox. Like
> >>> maps above.
> >>>
> >>> Currently I'm running 3.2.0-rc3-next-20111130. This started appearing
> >>> after I switched to desktop fx. Will anything from the debugfs help to
> >>> track this down? Or better to report this to freedesktop.org?
> >>
> >> Please test the patch Chris already replied with to your first mail. It
> >> might fix your issue here (if it's just a fence being stolen a bit too
> >> early). If that does not help, I'll have to stare at the picture some more
> >> to decode the type of tiling/swizzling going on. Maybe different pictures
> >> of corruptions might help for that.
>
> More of them:
> http://www.fi.muni.cz/~xslaby/sklad/panics/bad_tile1.png
> http://www.fi.muni.cz/~xslaby/sklad/panics/bad_tile2.png
> http://www.fi.muni.cz/~xslaby/sklad/panics/bad_tile3.png

Something is pretty decently broken here. Can you please file a bug at
freedesktop.org against the i915 drm? A few other things
- Can you check whether upgrading the ddx to 2.17 fixes this? Also please
attach your Xorg.log and full dmesg.
- Please grab intel-gpu-tools.git from

http://cgit.freedesktop.org/xorg/app/intel-gpu-tools/

and attach the output of tools/intel_reg_dumper to the bug report.
- If you're using swap, can you check whether disabling it works around
the issue?

And please put me as the assignee of the bug.

Thanks, Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48


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