Scott, I can confirm that setting EXAPixmaps to off helps. I my case, not only the speed but also correctness of the display is improved.
01:05.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility U1 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in ubuntu. https://bugs.launchpad.net/bugs/544496 Title: [RS100] desktop became slow after upgrading to Lucid _______________________________________________ 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