I've observed this, too. It seems to occur sometimes when there was a tooltip shown. Panel seems not to redraw overlapping parts when tooltip (e.g. from update-manager) vanishes.
-- Gnome Panel Doesn't Look Right https://bugs.launchpad.net/bugs/150060 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
