The problem seems to completely disappear when I installed the Orta 1.4.1 theme on XFCE from xfce-look.org. Very strange.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/665546 Title: Drop and sub menus don't always show up -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
