I found this related bug: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/444139
and this forum thread with some more info: http://ubuntuforums.org/showthread.php?t=1278410 Maybe this bug is a duplicate of 444139. -- 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 mesa 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