I got a crash after a few minutes of running 3.8.0-rc2, was able to
switch to a vt and look at dmesg:
[ 490.962545] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed...
GPU hung
[ 490.963019] [drm] capturing error event; look for more information in
/debug/dri/0/i915_error_state
[ 492.961446] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed...
GPU hung
[ 492.965613] [drm:i915_reset] *ERROR* GPU hanging too fast, declaring
wedged!
[ 492.965621] [drm:i915_reset] *ERROR* Failed to reset chip.
Previously I was on 3.6.10-2.fc17.x86_64, which didn't have any such
problem.
dmesg, config, and i915_error_state available from:
http://fieldses.org/~bfields/3.8-hang/
--b.
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