This bug affects my configuration too. And i also get thrown to the login screen. gdm greeter.log attached.
** Attachment added: ":0-greeter.log" http://launchpadlibrarian.net/50411989/%3A0-greeter.log -- gtkwidget.c:5636: widget not within a GtkWindow https://bugs.launchpad.net/bugs/539440 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs