Can confirm that manually populating /sys/power/resume works for me as well.
to get maj:min of root partition: $ df / Filesystem 1K-blocks Used Available Use% Mounted on /dev/nvme0n1p2 121969296 33951580 81775876 30% / ls -l /dev/nvme0n1p2 brw-rw---- 1 root disk 259, 2 May 12 09:47 /dev/nvme0n1p2 in this case maj:min is 259:2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2057687 Title: systemctl hibernate error: "Call to Hibernate failed: Invalid argument" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/2057687/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs