[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 #86 from Diego Viola <diego.viola at gmail.com> ---
(In reply to Chris Wilson from comment #85)
> (In reply to Diego Viola from comment #82)
> > Created attachment 122638 [details]
> > Xorg.0.log with debug=full and kernel 4.5.0
> > 
> > This time didn't hang when switching between fullscreen/windowed in
> > RetroArch, the video just also paused 2-3 seconds between changing modes.
> 
> At first glance, it looks the same. :|
> 
> In xf86-video-intel/test/dri2-race I have tests for everything we have
> encountered so far. Modulo a bug in the testcase itself (or at least so it
> looks like), so far it hasn't found a fresh hang. I might try that with an
> older kernel just in case, but such a bug would also likely to be
> hardware/setup dependent.

I'm not sure how it can be hardware/setup dependent since I was able to
reproduce this on my ThinkPad as well as it happens on my desktop, and they
both have different hardware.

I also run the same identical Arch Linux setup on both.

This is also an app hang (RetroArch hang) and not a X hang, it is the same
problem you said you was able to reproduce.

It's a case of RetroArch hanging and not being able to do anything until I
press F on the app again and then I can move between menus or quit the app.

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