I found Bug #488198 which includes a screenshot of it happening with the latest release of GDM.
-- gdm shows tool-tip on mouseover https://bugs.launchpad.net/bugs/331448 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs