I have tried this with 12.04 and Firefox 11.0 and this issue is not present any more. Marking as invalid then, please feel free to reopen if you think that this is stilll an issue.
** Changed in: unity Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/805010 Title: Menu bar freezes To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/805010/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs