I have had the same Virtualbox freeze after upgrading to 12.04 from 11.10. Prior to this Virtualbox worked flawlessly. I tried some of the suggested fixes, and nothing helps. The only solution is to lean on the power button until it shuts off.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/993187 Title: ubuntu 12.04 64bit completely freezes frequently To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/993187/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
