When you are in that situation, can you please attach the output of "systemd-cgls" so that we know why the lightdm greeter session doesn't terminate properly? I. e. which process is keeping it from shutting down?
When you are in that situation, can you please attach the output of "systemd-cgls" so that we know why the lightdm greeter session doesn't terminate properly? I. e. which process is keeping it from shutting down?