I can confirm this. dpkg -l gksu ii gksu 1.9.3-1ubuntu2
** Changed in: gksu (Ubuntu) Status: Unconfirmed => Confirmed -- modifying PAM configuration could break gksu https://launchpad.net/bugs/86843 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs