(In reply to Thorsten Kukuk from comment #2) > (In reply to Andreas Vetter from comment #1) > > Two ways come to my mind to solve this: > > 1) Set KillMode=control-group for rebootmgr.service > > This is the default... Aehm, not in this case: schnuffi:~ # systemctl show rebootmgr.service | grep KillMode KillMode=none