[Bug 62443] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sun Mar 17 11:54:39 PDT 2013
https://bugs.freedesktop.org/show_bug.cgi?id=62443
--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
Hmm, it really shouldn't be that noticeable after a gpu hang... unless you are
using a compositor? Certain operations will be unavailable (accelerated GL,
vsync, etc), but for everything else it should fallback to a shadow buffer and
for typical rendering although it may be an order of magnitude slower it
shouldn't actually impact upon latency. Moving windows and scrolling should
still be crisp. So if you can, please grab a 'sudo perf record -f -g -a' after
such an event.
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