[Bug 93844] Intel driver crashes after switching between fullscreen and windowed mode on RetroArch

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93844

--- Comment #78 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Diego Viola from comment #77)
> I see, well, for me the problem occurs only with the 4.4 kernel right now,
> and yes, the hang happens when I toggle between fullscreen and windowed mode
> (while in a game).
> 
> I remember the 4.5 kernel fixing this before the patch was included in the
> xorg-server.

That's strange. We definitely found a real bug in xorg-server that just
depended upon there being incomplete DRI2BlockClient (from too many swaps
pending) at the time the window was destroyed. We could only prevent that bug
by not having any swaps pending, which to me implies they were completing
instaneously. Bizarre.

Do you have time for a full-debug from 4.5 so that I can compare?

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