linux-kernel - Re: I915 driver locks up

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Message-ID: <4D0D44A1.8090501@earthlink.net>
Date:	Sat, 18 Dec 2010 18:32:49 -0500
From:	Stephen Clark <sclark46@...thlink.net>
To:	Chris Wilson <chris@...is-wilson.co.uk>
CC:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: I915 driver locks up

On 12/18/2010 04:40 PM, Chris Wilson wrote:
> On Sat, 18 Dec 2010 15:30:55 -0500, Stephen Clark<sclark46@...thlink.net>  wrote:
>    
>> On 12/18/2010 03:09 PM, Stephen Clark wrote:
>>      
>>> Hi,
>>>
>>> I am using 2.6.35.9-64.fc14.x86_64 running 1.3.9-1.fc14.x86_64
>>> and am having my 945gma lock up in texture decompress according
>>> to intel_gpu_top utility, when trying to play Myst 5.
>>>
>>> Any fixes on the horizon?
>>>
>>>        
>> Additional data point with 2.6.37-0.rc6.git0.1.fc15.x86_64 from rawhide
>> I get:
>> [  307.256028] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
>> elapsed... GPU hung
>> [  307.258118] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request
>> returns -11 (awaiting 27197 at 27195, next 27199)
>> [  307.258975] [drm:i915_reset] *ERROR* Failed to reset chip.
>>
>> and my X screen goes weird - have to switch to vty console.
>>      
> Judging by your description, you've hit a bug in Mesa. Please verify the
> bug with the current stable release (of Mesa) and file a bug report, and
> be sure to include /sys/kernel/debug/dri/0/i915_error_state for the hang.
>
> Thanks,
> -Chris
>
>    
I had been using mesa-7.9.
I loaded mesa-7.10 similar results. There is no

/sys/kernel/debug/dri/0/i915_error_state

In fact there is nothing in the /sys/kernel/debug directory. Do I have 
to enable
something.

With the later kernel - things are worse X becomes totally useless it looks
like my lcd panel lost horizontal sync. With the 2.6.25 kernel X is 
still usable
this makes me think at least some of the problem is kernel related.

With 2.6.37-rc6 and mesa 7.10 with hardware acceleration turned off in wine-

Dec 18 18:01:50 joker4 yum[5244]: Updated: mesa-libGL-7.10-0.17.fc15.x86_64
Dec 18 18:01:52 joker4 yum[5244]: Updated: mesa-libGL-7.10-0.17.fc15.i686
Dec 18 18:01:54 joker4 yum[5244]: Updated: mesa-libGLU-7.10-0.17.fc15.x86_64
Dec 18 18:02:02 joker4 yum[5244]: Updated: mesa-dri-drivers-7.10-0.17.fc15.x86_6
4
Dec 18 18:02:03 joker4 yum[5244]: Updated: mesa-libGLU-7.10-0.17.fc15.i686
Dec 18 18:02:11 joker4 yum[5244]: Updated: mesa-dri-drivers-7.10-0.17.fc15.i686
Dec 18 18:04:18 joker4 kernel: [ 9603.588113] [drm:i915_hangcheck_elapsed] *ERRO
R* Hangcheck timer elapsed... GPU hung
Dec 18 18:04:18 joker4 kernel: [ 9603.588313] [drm:i915_do_wait_request] *ERROR*
  i915_do_wait_request returns -5 (awaiting 379738 at 379735)


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