I was having the same problem with a Lenovo G560 and natty. Patrickus's solution (#12) seems to have worked for me.
The screen would go to sleep, and then X would be unresponsive - except the mouse would move. I could Ctrl-Alt-F1 into a terminal. All programs were operative, just inaccessible. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/781402 Title: Ubuntu 11.04 / Unity freezing when screen is 'woken up' -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
