[Intel-gfx] Hangcheck does not work on SNB?

Chris Wilson chris at chris-wilson.co.uk
Mon Apr 2 09:32:50 CEST 2012

On Mon, 2 Apr 2012 01:00:46 +0200, Lukas Hejtmanek <xhejtman at ics.muni.cz> wrote:
> Hello,
> should the hangcheck mechanism work on Sandy Bridge when XVideo causes GPU to
> hang? I can repeatedly hang GPU playing video for at least 1 hour
> continuously. Mouse cursor moves but nothing else. 
> However, I got no message from kernel that GPU hung. The notebook is alive
> except graphics.

Even after you stop the video? All it sounds like so far is that it is no
longer rendering video frames. Also check your Xorg.log and video player
for diagnostics.

Chris Wilson, Intel Open Source Technology Centre

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