I experience this in 20.04 as well: remote session with Workstation, after termination the greeter on this host does not respond to the mouse. The keyboard allows access to virtual terminals and ctrl-alt- delete reboots.
Hopefully nomachine has an answer. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1844641 Title: Login screen not keyboard accessible after using NoMachine To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1844641/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs