Hibernate stopped working. Have no clue why.

[Sergio]

Hello list.
Hibernate used to work fine (didn't use it much though) but stopped working these last days.
Suspend still works but while it worked flawlessly, now I have had some times that when it's suspended for a longer time it won't come up or won't come up properly (no video).

I have no clue except the regular tendentious suspicion on the selinux-policy* updates these last days (I always suspect them when there's no visible error; don't know if they deserve this or not).

Anyway, I'm attaching pm-suspend.log and the relevant part of /var/log/messages from the last try to hibernate (it was only a few minutes powered down as I was just testing).
pm-suspend.log has no news; it's just the normal failure that it has the suspend recorded but not the awake.

Now the messages look somewhat weird.
A normal boot up:

Sep 28 19:11:09 f17 kernel: imklog 5.8.10, log source = /proc/kmsg started.
Sep 28 19:11:09 f17 rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="588" x-info="http://www.rsyslog.com"] start
Sep 28 19:11:09 f17 systemd-cryptsetup[467]: Volume luks-887e89d1-eabf-47ff-9bc7-c879d2ab511a already active.
Sep 28 19:11:09 f17 systemd-cryptsetup[472]: Set cipher aes, mode xts-plain64, key size 512 bits for device /dev/disk/by-uuid/6975cc34-9e46-4507-ae14-20774e5251bd.
Sep 28 19:11:09 f17 systemd-fsck[474]: /dev/sda1: clean, 347/128016 files, 81320/512000 blocks
Sep 28 19:11:09 f17 systemd-fsck[504]: /dev/mapper/luks-6975cc34-9e46-4507-ae14-20774e5251bd: clean, 124217/436320 files, 649888/1742080 blocks
Sep 28 19:11:09 f17 jexec[516]: Starting jexec services
Sep 28 19:11:09 f17 auditctl[545]: No rules
Sep 28 19:11:09 f17 auditctl[545]: AUDIT_STATUS: enabled=0 flag=1 pid=0 rate_limit=0 backlog_limit=320 lost=0 backlog=0
Sep 28 19:11:09 f17 auditd[544]: Started dispatcher: /sbin/audispd pid: 553
Sep 28 19:11:09 f17 audispd: No plugins found, exiting
{snip}

Here's after I previously hibernated:

Sep 28 19:23:07 f17 kernel: imklog 5.8.10, log source = /proc/kmsg started.
Sep 28 19:23:07 f17 rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="602" x-info="http://www.rsyslog.com"] start
Sep 28 19:23:07 f17 swapon[448]: swapon: /dev/mapper/luks-887e89d1-eabf-47ff-9bc7-c879d2ab511a: software suspend data detected. Rewriting the swap signature.
Sep 28 19:23:07 f17 systemd-cryptsetup[474]: Volume luks-887e89d1-eabf-47ff-9bc7-c879d2ab511a already active.
Sep 28 19:23:07 f17 systemd-cryptsetup[477]: Set cipher aes, mode xts-plain64, key size 512 bits for device /dev/disk/by-uuid/6975cc34-9e46-4507-ae14-20774e5251bd.
Sep 28 19:23:07 f17 systemd-fsck[482]: /dev/sda1: recovering journal
Sep 28 19:23:07 f17 systemd-fsck[482]: /dev/sda1: clean, 347/128016 files, 81320/512000 blocks
Sep 28 19:23:07 f17 systemd-fsck[514]: /dev/mapper/luks-6975cc34-9e46-4507-ae14-20774e5251bd: recovering journal
Sep 28 19:23:07 f17 systemd-fsck[514]: /dev/mapper/luks-6975cc34-9e46-4507-ae14-20774e5251bd: clean, 124216/436320 files, 649886/1742080 blocks
Sep 28 19:23:07 f17 jexec[526]: Starting jexec services
Sep 28 19:23:07 f17 auditctl[557]: No rules
Sep 28 19:23:07 f17 auditctl[557]: AUDIT_STATUS: enabled=0 flag=1 pid=0 rate_limit=0 backlog_limit=320 lost=0 backlog=0
Sep 28 19:23:07 f17 auditd[554]: Started dispatcher: /sbin/audispd pid: 568
{snip}

Difference is that swapon line that detects suspend data. But then it boots normally instead of loading the desktop and recovers the filesystem (sda1=/boot and the encrypted=/home).

Thanks for any clues you may have.
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