I have not experienced this behavior with neither Lucid nor Maverick lately. So it seems it has been fixed.
** Changed in: compiz (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/614728 Title: Window title bars are sometimes placed under the main gnome-panel -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs