[Bug 81766] [hsw] hang in scanline wait

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81766

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to comment #2)
> (In reply to comment #1)
> > That's unusual. Does the issue occur regularly enough to test ideas? First
> > would be disabling fbc - which is default in later kernels.
> 
> Absolutly no idea how it happens, from time to time X server crashes, only
> later I found this message in log, maybe after wakeup of notebook and trying
> to play some video? This is new instalation, maybe after time I get more
> information.

This should not result in X crashing. (X should never, never crash anyway, if
it ever does please file bugs, lots of them), instead it should only result in
a temporary, recoverable hang.

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