The free ATI drivers aren't known for their stellar 3D support. It's probably a bug with the drivers.
** Package changed: kdebase-workspace (Ubuntu) => xserver-xorg-video-ati (Ubuntu) -- kwin desktop effects black desktop https://bugs.launchpad.net/bugs/433173 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