I have temporarily switched to lightdm, which works fine. Recording of the issue:
https://www.youtube.com/watch?v=6VaizT4uC8w&feature=youtu.be -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1910559 Title: GDM3: Black screen with blinking cursor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1910559/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs