ubuntu 22.04 fail to hibernate with swap partition. systemctl status systemd-hibernate
× systemd-hibernate.service - Hibernate
Loaded: loaded (/lib/systemd/system/systemd-hibernate.service; static)
Active: failed (Result: exit-code) since Sat 2023-06-10 15:31:27 EDT; 44min ago
Docs: man:systemd-hibernate.service(8)
Process: 5649 ExecStart=/lib/systemd/systemd-sleep hibernate (code=exited, status=1/FAILURE)
Main PID: 5649 (code=exited, status=1/FAILURE)
CPU: 4.614s
Jun 10 15:31:21 UX330 systemd[1]: Starting Hibernate...
Jun 10 15:31:21 UX330 systemd-sleep[5649]: Entering sleep state 'hibernate'...
Jun 10 15:31:27 UX330 systemd-sleep[5649]: Failed to put system to sleep. System resumed again: No such device
Jun 10 15:31:27 UX330 systemd-sleep[5766]: /dev/sda:
Jun 10 15:31:27 UX330 systemd-sleep[5766]: setting Advanced Power Management level to 0xfe (254)
Jun 10 15:31:27 UX330 systemd-sleep[5766]: APM_level = 254
Jun 10 15:31:27 UX330 systemd[1]: systemd-hibernate.service: Main process exited, code=exited, status=1/FAILURE
Jun 10 15:31:27 UX330 systemd[1]: systemd-hibernate.service: Failed with result 'exit-code'.
Jun 10 15:31:27 UX330 systemd[1]: Failed to start Hibernate.
sudo lsblk --fs
sda
├─sda1 vfat FAT32 SYSTEM 218.1M 15% /boot/efi
├─sda2
├─sda3 ntfs OS
├─sda4 ntfs RECOVERY
├─sda5 ext4 1.0 123.9G 23% /
└─sda6 swap 1 [SWAP]
$ free -m
total used free shared buff/cache available
Mem: 7834 1654 3888 379 2291 5543
Swap: 8433 0 8433
$ swapon -s
Filename Type Size Used Priority
/dev/sda6 partition 8636412 0 -2
/dev/sda is the only SSD in the system in /etc and not sure why hibernate service couldn't find it. /etc/fstab has the correct swap partition UUID.
