linux-kernel - Re: intel graphic card hanging (Hangcheck timer elapsed... GPU hung)

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Date:	Fri, 2 Apr 2010 13:03:47 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Norbert Preining <preining@...ic.at>
Cc:	dri-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: intel graphic card hanging (Hangcheck timer elapsed... GPU
 hung)

On Tue, 30 Mar 2010 22:57:06 +0900
Norbert Preining <preining@...ic.at> wrote:

> On Mo, 29 Mär 2010, Jesse Barnes wrote:
> > I was seeing something similar on my 945, can you try this patchset?
> 
> Tried it with git kernel commit b72c409 and your patches, but
> didn't change anything. Starting d2x-xl killed the X server:
> [ 1067.920246] render error detected, EIR: 0x00000000
> [ 1067.920293] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 48294 at 48216)
> [ 1068.412095] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> [ 1068.412107] render error detected, EIR: 0x00000000
> [ 1068.412135] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 48299 at 48216)
> [ 1068.776229] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> 
> Anything else I could try?

One of my 945 machines became pretty stable after increasing the
hancheck timeout from 75 to 750 jiffies in i915_drv.h.  But I have
reports that it doesn't work on all machines, so it's probably just
covering up a bug somewhere else.

-- 
Jesse Barnes, Intel Open Source Technology Center
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