On Sun, 28 Mar 2010 01:11:05 +0900
Norbert Preining <preining@logic.at> wrote:

quoted text
> Dear all,
> 
> (please Cc)
> 
> I am running 2.6.34-rc2 + git 01e7770 commit (yesterday) with KMS on Debian/sid:
> xserver-xorg: 7.5+5
> video-intel: 2.9.1-3
> 
> Running D2X-xl (self compiled) (descent2 open source code) X suddenly died,
> and after that gdm could not be restarted because after a few secs
> it went dead again.
> 
> In the logs I see:
> kernel: [ 2486.341227] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> kernel: [ 2486.341240] render error detected, EIR: 0x00000000
> kernel: [ 2486.341278] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 113671 at 113604)
> kernel: [ 2486.669008] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> kernel: [ 2486.669012] render error detected, EIR: 0x00000000
> kernel: [ 2486.669522] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 113672 at 113604)
> kernel: [ 2487.524230] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> kernel: [ 2487.524243] render error detected, EIR: 0x00000000
> kernel: [ 2487.524284] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 113673 at 113604)
> kernel: [ 2487.912237] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> kernel: [ 2487.916175] render error detected, EIR: 0x00000000
> kernel: [ 2487.920137] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 113674 at 113604)
> 
> Stopping gdm and restarting didn't help to get the graphics card back to normal.
> 
> If you have any ideas how to fix/track/debug that please let me know,
> same if you need more information.

I was seeing something similar on my 945, can you try this patchset?
It seems to make things much more stable for me.

http://lists.freedesktop.org/archives/intel-gfx/2010-March/006387.html

There are 7 patches starting with that one.

-- 
Jesse Barnes, Intel Open Source Technology Center
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