linux-kernel - Re: [BUG] Linux-2.6.32-git10 drm

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Date:	Sun, 10 Jan 2010 21:41:32 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Constantin Baranov <const@...as.ru>
Cc:	Maciej Rutecki <maciej.rutecki@...il.com>,
	Tarkan Erimer <tarkane@...one.com.tr>,
	linux-kernel@...r.kernel.org
Subject: Re: [BUG] Linux-2.6.32-git10 drm_i915 error

On Sunday 10 January 2010, Constantin Baranov wrote:
> On Sun, 10 Jan 2010 19:33:39 +0100 "Rafael J. Wysocki" <rjw@...k.pl> wrote:
> > On Sunday 10 January 2010, Maciej Rutecki wrote:
> > > 2009/12/14 Tarkan Erimer <tarkane@...one.com.tr>:
> > > > Frequently, I hit this bug on Linux-2.6.32-git10. It's always
> > > > re-producible for me on my i945 video device equipped HP machine. When
> > > > hit this bug, it crashes the X server and screen goes black. But,
> > > > possible to switch to console. Here is the error log, I had in dmesg:
> > > >
> > > > [ 2596.328132] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
> > > > elapsed... GPU hung
> > > > [ 2596.328146] render error detected, EIR: 0x00000000
> > > > [ 2596.328167] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request
> > > > returns -5 (awaiting 694588 at 694584)
> > > > [ 2596.439006] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
> > > > elapsed... GPU hung
> > > > [ 2596.439013] render error detected, EIR: 0x00000000
> > > >
> > > > Tarkan
> > > 
> > > I confirm this. A observed this on 2.6.33-rc3-git3 after resume from suspend:
> > > 
> > > Jan 10 08:51:31 gumis kernel: [  486.880045]
> > > [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU
> > > hung
> > > Jan 10 08:51:31 gumis kernel: [  486.880063] render error detected,
> > > EIR: 0x00000000
> > > Jan 10 08:51:31 gumis kernel: [  486.880107]
> > > [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (
> > > awaiting 60107 at 60105)
> > > Jan 10 08:51:32 gumis kernel: [  487.276302] [drm:i915_gem_execbuffer]
> > > *ERROR* i915_gem_do_execbuffer returns -5
> > > Jan 10 08:51:32 gumis kernel: [  487.276799] [drm:i915_gem_execbuffer]
> > > *ERROR* i915_gem_do_execbuffer returns -5
> > > Jan 10 08:51:32 gumis kernel: [  487.277230] [drm:i915_gem_execbuffer]
> > > *ERROR* i915_gem_do_execbuffer returns -5
> > > Jan 10 08:51:32 gumis kernel: [  487.278308] [drm:i915_gem_execbuffer]
> > > *ERROR* i915_gem_do_execbuffer returns -5
> > > Jan 10 08:51:32 gumis kernel: [  487.278533] [drm:i915_gem_execbuffer]
> > > *ERROR* i915_gem_do_execbuffer returns -5
> > > 
> > > 2.6.33-rc2 works fine.
> > 
> > http://bugzilla.kernel.org/show_bug.cgi?id=15026 perhaps?
> 
> I have caught this bug in 2.6.31.9, 2.6.32.2, 2.6.33-rc3 and 2.6.33-rc3-git3
> on my Acer Aspire 1410T with Intel GM45 chipset. It is not needed to perform
> suspend and resume to reproduce the bug. The bug appears for me at startup
> of the Stellarium (trunk version).

The message may be the same, but the reason is different.

Rafael
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