Confirmed in gdm 2.18.0-0ubuntu4. /var/log/auth.log provides insight. I tested this with a user account named peter. Results below on attempted GDM login...
Apr 9 23:59:04 khermans-laptop gdm[9757]: (pam_securetty) access denied: tty ':20' is not secure ! Apr 9 23:59:04 khermans-laptop gdm[9757]: (pam_securetty) access denied: tty ':20' is not secure ! Apr 9 23:59:04 khermans-laptop gdm[9757]: (pam_unix) authentication failure; logname= uid=0 euid=0 tty=:20 ruser= rhost= user=peter ** Changed in: gdm (Ubuntu) Status: Unconfirmed => Confirmed -- users with no password can't log in with gdm https://bugs.launchpad.net/bugs/104957 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs