This just happened to me tonight under xubuntu 12.04 x64. It did exactly the same thing that #23 said. I wasn't really doing anything before it happened. No updating or installing. Just rebooted and it happened.
Following #20 solved the problem.
This just happened to me tonight under xubuntu 12.04 x64. It did exactly the same thing that #23 said. I wasn't really doing anything before it happened. No updating or installing. Just rebooted and it happened.
Following #20 solved the problem.