[Mesa-dev] [Bug 55998] Pretty huge slowdown in mesa 9.0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=55998

--- Comment #1 from brian.m.hill at gmail.com ---
I'm getting this as well.

Arch Linux
Intel HD Graphics 3000
KDE 4.9.2
MESA 9.0

The tearing seems to occur only in one area, about 1/5th of the way down the
screen. It is as if the first 5th of the screen is updating slower. Downgrading
Intel-DRI and libgl to 8.0.4 fixed the issue.

Tried TearFree option in Xorg.conf and that gets rid of the tearing but makes
the graphics unusably slow using KWin/OpenGL.

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