[Mesa-dev] gpu hung with mesa 9.1.2~git

[Kenneth Graunke]

On 05/19/2013 03:59 AM, Martin Steigerwald wrote:
> Hi Kenneth, Brian, everyone,
>
> Am Samstag, 11. Mai 2013, 21:07:55 schrieb Martin Steigerwald:
>>
>> I got some hangs tough:
>>
>> [151564.311483] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
>> [151564.311488] [drm] capturing error event; look for more information in/sys/kernel/debug/dri/0/i915_error_state
>> [151664.323926] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
>>
>> [152099.395463] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
>> [152121.399082] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
>>
>> Could be quite easy to bisect, cause previous state of mesa 9.1 git
>> I compiled didn´t have these hangs. I am right now using mesa 9.1
>> branch as of 1e043ebe034b6e33b4c5228770db397b22fd26e0.
>>
>> Kernel is 3.9.
>
> Ok, I bisected this meanwhile:
>
> martin at merkaba:~/Spielen/Mesa/mesa.git> git bisect good
> 9f66038b5bac7f3574a00beda850be31712f9610 is the first bad commit
> commit 9f66038b5bac7f3574a00beda850be31712f9610
> Author: Kenneth Graunke <kenneth at whitecape.org>
> Date:   Mon Apr 22 23:13:47 2013 -0700
>
>      mesa: Add an unpack function for ARGB2101010_UINT.
>
>      v2: Remove extra parenthesis (suggested by Brian).
>
>      NOTE: This is a candidate for stable branches.
>
>      Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=63569
>      Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
>      Reviewed-by: Brian Paul <brianp at vmware.com>
>      (cherry picked from commit 531be501de7530ede3c0ea7a1d94516df37e4ae5)

That's odd.  I didn't think PlaneShift used ARGB2101010_UINT.  It looks 
like CS may have support for it though, so I guess it's possible...

I'm still a bit skeptical of the bisect though.