filed BUG #721110 for the problem when using the nopasswdlogin group described in :
http://library.gnome.org/admin/gdm/stable/security.html.en -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/674563 Title: Passwordless users are prompted for their password when the screen locks -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs