I can reproduce this - and I have a workaround!! It is to do with the positioning of the displays of different heights relative to each other.
** Attachment added: "1. Bug seen.png" https://bugs.launchpad.net/unity/+bug/983386/+attachment/3270522/+files/1.%20Bug%20seen.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/983386 Title: Hover Won't Sustain Title-Bar-Menu on Unity Panel To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/983386/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
