It's been suggested this may be a duplicate of Bug #557829 however I think this bug appeared only after that one was reported.
People might also be interested in the 2nd post of: http://ubuntuforums.org/showthread.php?s=8674fdc2aaebd69745b39dd9f877ed8b&p=9146088 It suggests this bug may cause hardware damage and strongly suggests switching to fglrx in the meantime. -- random crashes with free driver, but not fglrx (ATI Radeon HD 4350) https://bugs.launchpad.net/bugs/565790 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