On Samstag, 6. Mai 2017 15:08:19 CEST b-m...@gmx.ch wrote: > Problem solved: further investigation showed that it has been user-related, > i.e. other users didn't have that freezing problem. I set up the affected > user account from scratch and now everything works fine. > > (First I tried to isolate the setting responsible for the freezing, but > without success.)
FWIW, I've also seen this once in a while, but not reproduceably. The screen lock process was a zombie. Switching to a console and executing loginctl unlock-sessions allowed me to login again. Cheers Carsten