Same problem here. When I was using Gnome + Compiz freezes where more frequent, now I'm using LXDE without Compiz, but once a week my laptop still freezes.
$ cat /etc/issue Ubuntu 9.04 \n \l $ lspci | grep -i vga 01:05.0 VGA compatible controller: ATI Technologies Inc RS482 [Radeon Xpress 200M] $ uname -a Linux sirex-laptop 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 i686 GNU/Linux -- [RV350] system freeze randomly, need hard reset https://bugs.launchpad.net/bugs/349229 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp