Thank you for your bug report. That looks nasty. Do you get the same corruption when you have no desktop background set?
** Changed in: gnome-panel (Ubuntu) Status: Unconfirmed => Needs Info -- Problem with gnome-panel https://launchpad.net/bugs/87977 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs