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 Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs