lkml.org 
[lkml]   [2009]   [Nov]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
DateWed, 18 Nov 2009 10:39:00 +0100
FromMathieu Taillefumier <>
SubjectRe: [BUG] intel KMS bug on i915
Hello,
> On Wed, 2009-11-11 at 12:44 +0100, Mathieu Taillefumier wrote:
>
>> Hello,
>>
>> I recently switched to the last git kernel (the rc6) and have a serious
>> problem with KMS and xorg. I reported it to the xorg list but after some
>> research it seems that this problem is caused by some recent change in
>> the intel KMS stack. Some warnings and errors are reported by the
>> kernel. they are the following (only a small part of it):
>>
>> [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
>> render error detected, EIR: 0x00000000
>> i915: Waking up sleeping processes
>> [drm:i915_wait_request] *ERROR* i915_wait_request returns -5 (awaiting 2
>> at 1)
>> [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
>> render error detected, EIR: 0x00000000
>>
>> This problem is recurrent with all 2.6.32-rc versions and gives rise to
>> an unusable xorg (independent of the version), while the same xorg stack
>> works pretty well with the 2.6.31 kernel. The hardware is a sony laptop
>> with a intel 965 chipset and the bug can be reproduced at 100%
>>
> Could you bisect the problem? I don't think I've seen reports of this
> (fails at a time other than resume)
>
Thanks for the reply.

I will try to bissect the problem (I have to start from the first rc1
and go backward from that) but it might take some time since I am not an
expert in git. What I can say is that the problem occur since the first
rc of the kernel (and whatever recent version of libdrm). Moreover, I
have this after a cold boot. Another person reported the same problem on
the xorg list, so I am not alone :-).

regards

Mathieu



\
 
 \ /
  Last update: 2009-11-18 10:41    [from the cache]
©2003-2010