I have the same problem using fprint (http://reactivated.net/fprint) on Hardy Heron RC. Pending a solution, I restored the original common-auth and use the login through fingerprint reader only for the GDM (no sudo or gksu).
-- modifying PAM configuration could break gksu https://bugs.launchpad.net/bugs/86843 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