By default, lightdm in Ubuntu is not configured to use pam_time. So you seem to have a non-default PAM config, as well as a non-default /etc/security/time.conf. Please attach the latter file.
** Changed in: pam (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310412 Title: pam_time.so 1.1.8 has strange behaviour To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/1310412/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs