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[Pavel <question76703@xxxxxxxxxxxxxxxxxxxxx>]

Question #76703 on Ubuntu changed:
https://answers.launchpad.net/ubuntu/+question/76703

    Status: Answered => Open

Pavel is still having a problem:
Adding the line
   Option "AccelMethod" "XAA"
to the Device section of the file /etc/X11/xorg.conf
and rebooting
solves all the 4 problems described above.
However, it introduces 2 new problems:
5. When taking the side bar in a web browser and trying to scroll down the web page
   only a few pixel lines at the top and at the bottom of the window change, not the page 
   as a whole. Hitting the "Reload current page" redraws the page correctly.
   I use Firefox 3.0.11.
6. Moving a window across the screen spoils the borders of the window and other graphics too.

Turning the acceleration off by adding the line
   Option "NoAccel"
to the Device section of the  file /etc/X11/xorg.conf
solves all the 6 problems described above, but then the graphics is really slow,
Mathematica rotates 3D graphs so slowly that it is not usable,
mplayer ignores fullscreen mode.

Thanks for your help really very much.
Pavel

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