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[Gerardo Campos <macross@xxxxxxxxxxx>]

I have been having the freezes problem, at least every 30 minutes,

I tried all the following suggestions.

1. Setting to none the visual effects
2. Removing compiz
3. Updating the /etc/X11/xorg.conf to several recommendations, 

Doing all of the above, reduced the problem to one freeze per day.

I found that updating the kernel to 2.6.29.6 fixed my problem, that
eventually allowed me to:

1. Restored /etc/X11/xorg.conf to the default settings
2. Reinstall compiz
3. Set visual effects to normal.

I have been running this for 3 days, and no freeze yet.

Ubunto 9.04 Jaunty, installed in an IBM Thinkpad T43

$ lspci -nn | grep VGA
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc M22 [Mobility Radeon X300] [1002:5460]

$ uname -a
Linux mylinux 2.6.29-02062906-generic #02062906 SMP Fri Jul 3 10:56:30 UTC 2009 i686 GNU/Linux

I installed the prebuilt kernel from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.29.6/

Saludos

-- 
[RV250] Kubuntu: X Freezes with Radeon driver EXA/XAA Composite
https://bugs.launchpad.net/bugs/348332
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