Messages in this thread | | | Subject | Re: [BUG] intel KMS bug on i915 | From | Eric Anholt <> | Date | Mon, 16 Nov 2009 20:54:21 -0800 |
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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)
-- Eric Anholt eric@anholt.net eric.anholt@intel.com
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