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

Lukas Hejtmanek xhejtman at ics.muni.cz
Mon Apr 2 01:00:46 CEST 2012


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.

Lukáš Hejtmánek

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