Am Samstag, 22. April 2023, 20:21:03 CEST schrieben Sie: > Try running a `sync` first to write all contents of RAM to disk. That does not change anything. Screen becomes black, but then it feels like it is resuming immediately (without going through book, if feels more like a resume as you would expect it from suspend-to-RAM. I get an error, but this looks like the error is reported during the what feels like a resume phase. root@h370:~# echo disk > /sys/power/state -bash: echo: write error: Device or resource busy root@h370:~# Thanks Rainer -- Rainer Dorsch http://bokomoko.de/