This problem happened to me not only in firefox, but also in many applications when I move them from a workspace to another. I think that this bug has a relation to compiz fusion, because it is a bug in its configuration.
-- Firefox dance on the screen https://bugs.launchpad.net/bugs/230255 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