I am also affected by this since the latest upgrade which included among others libX11, libmutter, mutter and libvulkan (full list attached). I am using the Nvidia binary 396 drivers and everything was runnning fine before. I could however circumvent the problem by ssh'ing into the machine and simply stoping the gdm3.service and then restarting it. However I could not switch to another TTY as suggested in the first post. Hope this helps a bit to solve the issue.
** Attachment added: "upgraded.txt" https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1763774/+attachment/5182978/+files/upgraded.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1763774 Title: nvidia-driver-390 GDM black screen / hang after login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1763774/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
