Re: Recent poor DVD playback performance

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Andy Green wrote:

Philip Walden wrote:

Top says Xorg0 @ 68%, mplayer @ 28%.


Might it be the offscreen compositing stuff somehow? If there is something like this floating around in /etc/X11/xorg.conf

Section "Extensions"
        Option      "Composite" "Enable"
EndSection

try setting it to Disable and restart X.

Looks like it is a xorg bug such that it does not set MTRR reducing AGP performance by 2X:
https://bugs.freedesktop.org/show_bug.cgi?id=6221
https://bugs.freedesktop.org/show_bug.cgi?id=5801
Explains why I am seeing this recently too. Fixed in xorg 7.1


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