However even if you fix the selinux problem i do not think this will
work, you need to have a swap partition for hibernate / resume to work,
the systemd-hibernate-resume man page makes reference to needing a
specific device node.
Kind Regards,
Steve
Alexander Zhang <zhangalexy@xxxxxxxxx> writes:
> Hello,
>
> I'm trying to enable hibernation to a swap file on Fedora 35. I've created a
> swapfile on a new BTRFS subvolume, added the resume dracut module, and set the
> kernel command line arguments. I've also added
> SYSTEMD_BYPASS_HIBERNATION_MEMORY_CHECK=1 to the environments of
> systemd-hibernate and systemd-logind since the swap size check is apparently
> incorrect for some reason. Currently, hibernating with echo platform >
> /sys/power/disk and echo disk > /sys/power/state works, but doing systemctl
> hibernate only locks and briefly turns off the screen. I found these lines in
> the logs, which seems to indicate that SELinux is causing the issue:
>
> Apr 15 23:16:14 fedora systemd[1]: Reached target Sleep.
> Apr 15 23:16:14 fedora systemd[1]: Starting Hibernate...
> Apr 15 23:16:14 fedora systemd-sleep[9774]: Failed to find location to hibernate
> to: Permission denied
> Apr 15 23:16:14 fedora audit[9774]: AVC avc: denied { search } for pid=9774
> comm="systemd-sleep" name="swap" dev="dm-0" ino=256
> scontext=system_u:system_r:systemd_sleep_t:s0
> tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=0
> Apr 15 23:16:14 fedora systemd[1]: systemd-hibernate.service: Main process
> exited, code=exited, status=1/FAILURE
> Apr 15 23:16:14 fedora systemd[1]: systemd-hibernate.service: Failed with result
> 'exit-code'.
> Apr 15 23:16:14 fedora systemd[1]: Failed to start Hibernate.
> Apr 15 23:16:14 fedora systemd[1]: Dependency failed for System Hibernation.
> Apr 15 23:16:14 fedora systemd[1]: hibernate.target: Job hibernate.target/start
> failed with result 'dependency'.
> Apr 15 23:16:14 fedora audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295
> ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=systemd-hibernate
> comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=?
> res=failed'
> Apr 15 23:16:14 fedora systemd-logind[1410]: Operation 'sleep' finished.
> Apr 15 23:16:14 fedora systemd[1]: Stopped target Sleep.
>
> How can I fix this?
>
> Thanks,
> Alexander Zhang
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