very bad, and very weird, scrolling text performance xorg 1.5.3 intel 2.5.1 GM965

Thomas Jaeger thjaeger at
Sun Dec 14 15:48:52 PST 2008

You really need the glyph cache in the X server to get decent text
performance out of the 2.5 intel driver.  The patches are pretty
straightforward to backport, but it is my understanding that a 1.6
server will be uploaded to jaunty soon, so you might want to wait for that.

Jeffrey W. Baker wrote:
> I just "up"graded to more recent bits, namely xorg 1.5.3 and intel
> driver 2.5.1 on GM965 rev 0c, and linux 2.6.28-rc8, all from Ubuntu 9.04
> development packages.  I noticed that scrolling text performance in
> xterm, gnome-terminal, and xfce4-terminal is incredibly bad.  Slideshow
> bad.  You can see for yourself in this video:

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