Looks like gtk 2.21.0 has also problem with screen corruption. It seems that some Expose events are missed, gtk applications do not redraw their windows correctly after virtual desktop switch.
-- [Maverick] XFCE system tray became unusable after libgtk upgrade https://bugs.launchpad.net/bugs/586012 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gtk+2.0 in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
