I see the performance problem in normal GUI as well as video playback on a fresh install of Lucid with card Radeon 7000. Turning off KMS makes the performance issue go away. Let me know what other details you need.
** Changed in: xserver-xorg-video-ati (Ubuntu) Status: Fix Released => Confirmed -- [RS100] desktop became slow after upgrading to Lucid https://bugs.launchpad.net/bugs/544496 You received this bug notification because you are a member of Ubuntu-X, which is the registrant for xserver-xorg-driver-ati. _______________________________________________ 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