[Bug 70764] [snb] TearFree now triggers stuck semaphores (due to Eliminate the synchronous wait from inside TearFree)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70764

--- Comment #21 from FBrown <francisbrwn9 at gmail.com> ---
Definitely a marked improvement with those patches. Not perfect, as had one
hang on DE login and a couple of others over the last day, but still a very
significant reduction making. So not fixed, but you would have to say the
desktop is now usable if you accept the very rare hang.

As a note, now reverted and turned off tearfree via xorg.conf, as I noticed
KWIN has some newer anti-tearing options that I had not tried before. Tearing
prevention (vsync) set at "full screen repaints" in KWIN seems to achieve much
the same result as tearfree via xorg/driver option, which seems to make sense
to me.

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