[Mesa-dev] Sandy Bridge heisenbug

[Ian Pilcher]

On 03/31/2011 02:53 PM, Chris Wilson wrote:
> https://bugs.freedesktop.org/show_bug.cgi?id=35820 perhaps?

I don't think so.  My system doesn't hang, and I don't get any X crash,
just messages in the syslog (see below).

I'm not expecting a quick fix.  Just hoping for some ideas on gathering
the necessary information to debug the problem.

Thanks!

Mar 30 20:47:16 ian kernel: [  233.620717] [drm:i915_hangcheck_elapsed]
*ERROR*
Hangcheck timer elapsed... GPU hung
Mar 30 20:47:16 ian kernel: [  233.620730] [drm:kick_ring] *ERROR* Kicking
stuck semaphore on blt ring
Mar 30 20:47:18 ian kernel: [  235.121821] [drm:i915_hangcheck_elapsed]
*ERROR*
Hangcheck timer elapsed... GPU hung
Mar 30 20:47:18 ian kernel: [  235.121834] [drm:kick_ring] *ERROR* Kicking
stuck semaphore on blt ring
Mar 30 20:47:19 ian kernel: [  236.622925] [drm:i915_hangcheck_elapsed]
*ERROR*
Hangcheck timer elapsed... GPU hung
Mar 30 20:47:19 ian kernel: [  236.622937] [drm:kick_ring] *ERROR* Kicking
stuck semaphore on blt ring
Mar 30 20:47:21 ian kernel: [  238.124022] [drm:i915_hangcheck_elapsed]
*ERROR*
Hangcheck timer elapsed... GPU hung
Mar 30 20:47:21 ian kernel: [  238.124034] [drm:kick_ring] *ERROR* Kicking
stuck semaphore on blt ring
Mar 30 20:47:22 ian kernel: [  239.625122] [drm:i915_hangcheck_elapsed]
*ERROR*
Hangcheck timer elapsed... GPU hung
Mar 30 20:47:22 ian kernel: [  239.625133] [drm:kick_ring] *ERROR* Kicking
stuck semaphore on blt ring
Mar 30 20:47:24 ian kernel: [  241.126214] [drm:i915_hangcheck_elapsed]
*ERROR*
Hangcheck timer elapsed... GPU hung
Mar 30 20:47:24 ian kernel: [  241.126226] [drm:kick_ring] *ERROR* Kicking
stuck semaphore on blt ring
Mar 30 20:47:25 ian kernel: [  242.627316] [drm:i915_hangcheck_elapsed]
*ERROR*
Hangcheck timer elapsed... GPU hung
Mar 30 20:47:25 ian kernel: [  242.627328] [drm:kick_ring] *ERROR* Kicking
stuck semaphore on blt ring
Mar 30 20:47:27 ian kernel: [  244.128421] [drm:i915_hangcheck_elapsed]
*ERROR*
Hangcheck timer elapsed... GPU hung
Mar 30 20:47:27 ian kernel: [  244.128433] [drm:kick_ring] *ERROR* Kicking
stuck semaphore on blt ring

(Bugzilla'ed at https://bugzilla.redhat.com/show_bug.cgi?id=692334.)

-- 
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Ian Pilcher                                         arequipeno at gmail.com
"If you're going to shift my paradigm ... at least buy me dinner first."
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