OK, so the bug is in GTK+. I've opened an upstream report, we'll see what they say.
** Bug watch added: GNOME Bug Tracker #566522 http://bugzilla.gnome.org/show_bug.cgi?id=566522 ** Also affects: libgtk via http://bugzilla.gnome.org/show_bug.cgi?id=566522 Importance: Unknown Status: Unknown -- Failed to print document - can't prompt for authorization https://bugs.launchpad.net/bugs/305030 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