Comment 65 for bug 727594

BTW, while a suspend-resume should reset the gpu, I see this:

[31055.564022] [drm] Manually setting wedged to 0
[31055.564022] [drm:i915_reset] *ERROR* Failed to reset chip.
Why does it fail?
The units are not busy anymore according to intel_gpu_top, so I'd expect "echo 0 > /sys/kernel/debug/dri/0/i915_wedged" should unwedge it, but it doesn't