I have a similar issue running current 12.04, not sure it is the same bug or not. Attaching a screenshot.
** Attachment added: "empathypopup.png" https://bugs.launchpad.net/ubuntu/+source/empathy/+bug/792879/+attachment/2748738/+files/empathypopup.png -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to empathy in Ubuntu. https://bugs.launchpad.net/bugs/792879 Title: Contact details on contact list hover have opaque background To manage notifications about this bug go to: https://bugs.launchpad.net/empathy/+bug/792879/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs