Can you try to see what you get with pamtester, by using pamtester -v gdm-smartcard $USER authenticate
Also try with: pamtester -v gdm-smartcard "" authenticate ** Also affects: sssd (Ubuntu) Importance: Undecided Status: New ** Changed in: gdm3 (Ubuntu) Importance: Undecided => High ** Changed in: sssd (Ubuntu) Importance: Undecided => High ** Changed in: sssd (Ubuntu) Status: New => Triaged ** Changed in: gdm3 (Ubuntu) Status: New => Triaged -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm3 in Ubuntu. https://bugs.launchpad.net/bugs/1999884 Title: gdm-smartcard not passing successful authentication to desktop at system logon To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1999884/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs