[Bug 108510] [snb] quakespasm triggers a reproducible GPU hang on Sandy Bridge

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108510

--- Comment #13 from bugs at plushkava.net ---
Hi Denis. I did some quick testing, having disabled the fullscreen mode in the
game. Performance was notably reduced, presumably due to no longer being
unredirected, but no hangs occurred. After subsequently re-enabling the
fullscreen mode, a hang occurred within a minute of play.

I was surprised to find that the artifacts I previously mentioned became
visible as soon as I switched off the full-screen mode. I shall carry out some
more in-depth testing this weekend, including the use of the apitrace tool that
you kindly mentioned.

For what it's worth, I don't have any apparent issues with the use of
DisplayPort in my operating environment, as long as I avoid Wayland. Docking
and undocking works, other unredirected/fullscreen applications seem to work
reliably, Gnome's compositor seems to behave etc.

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