I can confirm that the proposed fix to disable FBC worked for me. Since i915.i915_enable_fbc=0, the GPU hangs didn't occur again. I'm wondering if xserver-xorg-video-intel should ship a modprobe file accordingly or if it is feasible to backport the fixes in 3.4 that were briefly mentioned in the upstream bug report. [1] https://bugs.freedesktop.org/show_bug.cgi?id=50455#c9 -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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