After a reboot, the problem seems not to happen anymore. Perhaps mesa-7.5 leaves the hardware in a strange state.
** Changed in: mesa (Ubuntu) Status: Incomplete => Invalid -- blank screen with compiz and mesa 7.6 https://bugs.launchpad.net/bugs/420599 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