Some of what is reported her is exactly what I see in bug 692905 - I think they may be the same. I've posted lots of information to that bug; maybe you could take a quick look?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/683065 Title: Menu bar becomes blank periodically -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
