Hi All, I'd confirmed this issue is be fixed by gdm3 3.36.3-0ubuntu0.20.04.1 and passed the 30 times reboot stress test by using stress/reboot_30 from checkbox.
The environment: kernel: 5.4.0-47-generic gdm3: 3.36.3-0ubuntu0.20.04.1 nvidia-driver-440: 440.100-0ubuntu0.20.04.1 GPU: VGA compatible controller [0300]: NVIDIA Corporation TU116M [GeForce GTX 1660 Ti Mobile] [10de:2191] ** Changed in: oem-priority Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1845801 Title: [nvidia] Automatic login fails and then all subsequent logins fail. Killing gnome-session-binary fixes it, or just not using automatic login. To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1845801/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs