Bug#523844: Upgrade to xserver-xorg-video-intel 2:2.7.0-1 doesn't help.
Gunter Ohrner wrote:
> # uname -a
> Linux Zweiblum 2.6.26-2-686 #1 SMP Thu Mar 26 01:08:11 UTC 2009 i686
> GNU/Linux
>
> Ok, guess what - with Debian's 2.6.26 package it feels quick and snappy.
>
> # x11perf -aa10text
> (...)
> 3600000 trep @ 0.0073 msec (137000.0/sec): Char in 80-char aa line
> (Charter 10)
>
> # glxgears -info
> (...)
> 1912 frames in 5.0 seconds = 382.250 FPS
>
> So, what's wrong - or at least that different - with Debian's 2.6.29
> kernel?
>
PAT is disabled in 2.6.29, we feel like it may explain some performance
problems if the video memory isn't in write combining anymore.
Brice
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