[Intel-gfx] [regression] suspend/resume problemm

[Chris Wilson]

On Sat, 19 Mar 2011 11:19:38 +0100, Alexey Fisher <bug-track at fisher-privat.net> wrote:
> Hi,
> i have regression between 2.6.38 and 2.6.38-05646-g08351fc on 945GME.
> It can suspend but on resume graphic will freeze.
> I can access the netbook per ssh. Here is the interisting part of log:
> [  388.392062] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
> elapsed... GPU hung
> [  388.392083] [drm] capturing error event; look for more information
> in /debug/dri/0/i915_error_state
> [  388.399567] [drm:i915_wait_request] *ERROR* i915_wait_request returns
> -11 (awaiting 2 at 0, next 3)
> [  388.399825] [drm:i915_reset] *ERROR* Failed to reset chip.
> [  388.402142] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id
> 
> 
> i915_error_state is in attachment.
> 
> Is this regression known? Or should i bisect it?

No, that's no known. Looks like the GPU was processing commands as
expected after resume, but the seqno was not updated.

Try reverting a7a75c8f70d6f6a2f16c9f627f938bbee2d32718 first.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre