On Sat, May 30, 2020 at 11:34:38AM +0200, Jan Kratochvil wrote:

Also I had to do 'echo freeze >/sys/power/state' for s2idle as systemctl has no such option (nor there is any GUI option for s3idle AFAIK).

SuspendState=freeze can be set through a configuration file. See systemd-sleep.conf(5).

Zbyszek