Sounds like you have got the right packages (the -tormod3 version was for Karmic). Can you please attach dmesg and glxinfo output and your Xorg.0.log? With that mesa package (+gallium), please try as I described in comment 53 to use classic drivers.
-- [R350] screen corruption on 9800SE https://bugs.launchpad.net/bugs/565883 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 : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

