Unresponsive screen with cursor after resuming while the screen is locked

[ivoliveira]

I have a similar issue

System randomly hangs when waking from sleep

I have no other option than to reboot it. It sometimes goes to lock screen but does not let me enter password (keyboard unresponsive); or it stays with the screen black. Sometimes it just works (i don’t know if it has to do with the time the system has been locked/sleeping.