I have same bug on my ibm t42 ati mobility 7500 32MB. Therefore i opened #437117 bugreport, which is a duplicate of this bug. It only appears with ati renderacceleration XAA not EXA. I use XAA because it has more performance with karmic koala...
** Attachment added: "notify-osd-ati.jpg" http://launchpadlibrarian.net/32725099/notify-osd-ati.jpg -- OSD showing corruption on ATI graphics https://bugs.launchpad.net/bugs/429295 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