Another Dell 2400 here. Reverted to older drivers (2.4) using this guide
(http://ubuntuforums.org/showpost.php...0&postcount=15) for now and
subscribed to this bug report.
Ubuntu 9.10, 2.6.31-18-generic
Also occurring in Lucid Alpha2-reverting to 2.4 driver fixed it there too
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[i845G] Karmic
I disabled Compiz entirely:
sudo chmod a-x /usr/bin/compiz
went back after and reenabled it, and with the 2.4 driver I'm freeze-free.
I Added the following lines to my /etc/apt/sources.list:
deb http://ppa.launchpad.net/siretart/ppa/ubuntu jaunty main
deb-src http://ppa.launchpad.net/siretart/pp