On more digging it smells like this bug might be a duplicate of bug#439448?
-- taskbar icons corrupted after logging out and back in https://bugs.launchpad.net/bugs/469818 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
