On Sun, Feb 12, 2017 at 12:44:49AM +0000, Chris Wilson wrote:
> The signal threads may be running concurrently with the GPU reset. The
> completion from the GPU run asynchronous with the reset and two threads
> may see different snapshots of the state, and the signaler may mark a
> request as complete as we try to reset it. We don't tolerate 2 different
> views of the same state and complain if we try to mark a request as
> failed if it is already complete. Disable the signal threads during
> reset to prevent this conflict (even though the conflict implies that
> the state we resetting to is invalid, we have already made our
> decision!).
> 
> References: https://bugs.freedesktop.org/show_bug.cgi?id=99671
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuopp...@intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursu...@intel.com>

Also
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99733
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to