From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Angela" <angela.schmid@wolke7.net>
Subject: Re: [libva] GPU hung
Date: Wed, 13 Jun 2012 00:09:37 +0200
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To: 'Daniel Vetter' <daniel@ffwll.ch>, intel-gfx@lists.freedesktop.org
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>> >For gpu hangs the important thing is the i915_error_state file from 
>> >sysfs
>> (the files you've attached are mainly interesting for modeset issues). 
>> I guess the best thing would be to file a bug on bugs.freedesktop.org 
>> with that.
>> 
>> # cat /sys/kernel/debug/dri/0/i915_error_state
>> no error state collected
>> # cat /sys/kernel/debug/dri/64/i915_error_state
>> no error state collected
>> 
>> mount:
>> sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
>I guess you need to rehang your machine, the error_state doesn't survive a
reboot.

Hung the system and checked i915_error_state before reboot.

Any other hints ?

Angela