Comment # 4 on bug 1226232 from Gui Do

So, 

I have hibernated system manually and started again. This is the log for it:

16.06.24 21:36  systemd-logind  The system will hibernate now!
16.06.24 21:36  systemd Starting System Hibernate...
16.06.24 21:36  systemd-sleep   INFO: running
/usr/lib/systemd/system-sleep/grub2.sleep for hibernate
16.06.24 21:36  systemd-sleep   Entering sleep state 'hibernate'...
16.06.24 21:36  kernel  PM: hibernation: hibernation entry
16.06.24 21:58  kernel  PM: hibernation: Marking nosave pages: [mem
0x00000000-0x00000fff]
16.06.24 21:58  kernel  PM: hibernation: Marking nosave pages: [mem
0x00058000-0x00058fff]
16.06.24 21:58  kernel  PM: hibernation: Marking nosave pages: [mem
0x0009e000-0x000fffff]
16.06.24 21:58  kernel  PM: hibernation: Marking nosave pages: [mem
0x6d7fd000-0x6d7fdfff]
16.06.24 21:58  kernel  PM: hibernation: Marking nosave pages: [mem
0x6d80a000-0x6d80bfff]
16.06.24 21:58  kernel  PM: hibernation: Marking nosave pages: [mem
0x6d81b000-0x6d81bfff]
16.06.24 21:58  kernel  PM: hibernation: Marking nosave pages: [mem
0x70b71000-0x70b72fff]
16.06.24 21:58  kernel  PM: hibernation: Marking nosave pages: [mem
0x7bd97000-0x7be78fff]
16.06.24 21:58  kernel  PM: hibernation: Marking nosave pages: [mem
0x7d9c3000-0x7d9c3fff]
16.06.24 21:58  kernel  PM: hibernation: Marking nosave pages: [mem
0x7eaa8000-0x7fffdfff]
16.06.24 21:58  kernel  PM: hibernation: Marking nosave pages: [mem
0x7ffff000-0xffffffff]
16.06.24 21:58  kernel  PM: hibernation: Basic memory bitmaps created
16.06.24 21:58  kernel  PM: hibernation: Preallocating image memory
16.06.24 21:58  kernel  PM: hibernation: Allocated 892640 pages for snapshot
16.06.24 21:58  kernel  PM: hibernation: Allocated 3570560 kbytes in 2.94
seconds (1214.47 MB/s)
16.06.24 21:58  kernel  PM: hibernation: PM: secret key is invalid
16.06.24 21:58  kernel  PM: hibernation: Creating image:
16.06.24 21:58  kernel  PM: hibernation: Need to copy 882950 pages
16.06.24 21:58  kernel  PM: hibernation: Normal pages needed: 882950 + 1024,
available pages: 2208611
16.06.24 21:58  kernel  PM: hibernation: PM: Trampoline freed
16.06.24 21:58  kernel  PM: hibernation: Basic memory bitmaps freed
16.06.24 21:58  kernel  PM: hibernation: hibernation exit
16.06.24 21:59  systemd-sleep   INFO: running
/usr/lib/systemd/system-sleep/grub2.sleep for hibernate
16.06.24 21:59  systemd systemd-hibernate.service: Deactivated successfully.
16.06.24 21:59  systemd Finished System Hibernate.
16.06.24 21:59  systemd systemd-hibernate.service: Consumed 3.879s CPU time.
16.06.24 21:59  systemd Reached target System Hibernation.
16.06.24 21:59  systemd Stopped target System Hibernation.