I can confirm this but haven't tried ctl-alt-F1/F7 to unfreeze. There is no pattern that I can detect; it has frozen when running the update manager, software sources, screensaver, power management, Thunderbird, Firefox - you get the idea.
9.0 Alpha 1, kernel 2.6.30.7 -- karmic desktop freezes https://bugs.launchpad.net/bugs/376788 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
