On Sat, Apr 22, 2023 at 4:14 AM Rainer Dorsch <m...@bokomoko.de> wrote:
> Hi, > > I just tried to hibernate a system which I upgraded from bullseye to > bookworm > and it resumed and never reached the off state. I don't recall that there > were > hibernation problems in bullseye on that system. > > I tried out of KDE Plasma, but I also tried from the cmdline > > root@h370:~# echo disk > /sys/power/state > -bash: echo: write error: Device or resource busy > root@h370:~# > Try running a `sync` first to write all contents of RAM to disk. > Since > > https://wiki.debian.org/Hibernation > > looks somewhat outdated (describes Jessie and Lenny configurations), I > followed > Arch and kernel documentation > > https://wiki.archlinux.org/title/Power_management#Power_management > https://docs.kernel.org/admin-guide/pm/sleep-states.html? > > highlight=image_size#basic-sysfs-interfaces-for-system-suspend-and-hibernation > > Both > > # systemctl hibernate > > and > > # echo disk > /sys/power/state > > do not bring the system in hibernate mode (=suspend to disk). > > The config I see on my system: > > root@h370:~# swapon > NAME TYPE SIZE USED PRIO > /dev/dm-2 partition 15.9G 8.1G -2 > /dev/zram0 partition 256M 256M 100 > root@h370:~# cat /sys/power/resume > 254:2 > root@h370:~# lsblk /dev/dm-2 > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS > b370--vg-swap_1 254:2 0 15.9G 0 lvm [SWAP] > root@h370:~# cat /proc/cmdline > BOOT_IMAGE=/vmlinuz-6.1.0-7-amd64 root=/dev/mapper/b370--vg-root ro quiet > root@h370:~# cat /sys/power/image_size > 13375987712 <http://voice.google.com/calls?a=nc,%2B13375987712> > root@h370:~# > > Any hints are welcome > Thanks > Rainer > -- > Rainer Dorsch > http://bokomoko.de/ > > > -- ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/ ⠈⠳⣄⠀⠀
