Update for summarizing current symptoms and workaround solution: [Steps to reproduce] 1. Enable auto login through GUI ("Settings"->"Users"->"Automatic Login" to enable) 2. reboot 3. system stop at gdm login screen There are two symptom I found currently: 4.1 enter correct password is not able to login 4.2 enter correct password manually and it can login
[Workaround] Here are two workaround solution from comment#31 and comment#71: 1. Removing 'splash' from kernel command line 2. Adding 'nvidia-drm.modeset=1' in kernel command line [Environments] product: Lenovo ThinkStation P720[1] bios-version: S04KT41A CPU: Intel(R) Xeon(R) Gold 6240C CPU @ 2.60GHz (72x) GPU: 18:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP106GL [Quadro P2000] [10de:1c30] (rev a1) kernel-version: 5.6.0-1010-oem nvidia-driver: nvidia-driver-440 [1] https://www.lenovo.com/gb/en/workstations/p-series/ThinkStation-P720/p/33TS3TPP720 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-session in 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 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs