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List:       kde-bugs-dist
Subject:    [kwin] [Bug 329297] Kwin very slow/frozen when OpenGL compositing enabled
From:       Thomas Lübking <thomas.luebking () gmail ! com>
Date:       2013-12-28 11:24:24
Message-ID: bug-329297-17878-1Fk84oGhRM () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=329297

--- Comment #4 from Thomas Lübking <thomas.luebking@gmail.com> ---
(In reply to comment #2)
> That's not yet in a release, isn't it?
No, sorry. I assumed 4.12.0 would equal 4.11.5
*grummelbrummelstupidreleasefreezegrummelbrummel*

@Chris
Please try setting the tearing prevention to "none" nevertheless (that's gonna
work ;-) and also to deactivate the blur effect.
Please ensure to restart "kwin --replace &" after altering the tearing
prevention mode.

Next thing (even if that helps!) would be to check whether triple buffering is
enabled:
grep -i triple /var/log/Xorg.0.log

And if not try results with:
---------------------------------
export __GL_YIELD="USLEEP"
kwin --replace &

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