[Bug 1910252] Re: `systemctl hibernate` incorrectly reports "Not enough swap space for hibernation"

[Dimitri John Ledkov]

these things are very weird indeed.


Also, you do disable secureboot as well right? Because with secureboot on, even though hybernation image is created, it will be ignored and not used upon resume.

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Title:
  `systemctl hibernate` incorrectly reports "Not enough swap space for
  hibernation"

Status in systemd package in Ubuntu:
  New

Bug description:
  I have plenty of swap space configured in my system:

  $ cat /sys/power/image_size
  6642229248   # ~ 6.2GiB

  $ swapon
  NAME      TYPE       SIZE USED PRIO
  /dev/dm-2 partition  980M   0B   -2
  /dev/sda2 partition 97.7G   0B   -3

  But when I attempt to hibernate:

  $ sudo systemctl hibernate
  Failed to hibernate system via logind: Not enough swap space for hibernation

  I have the swap partition configured as my resume device in my kernel
  commandline:

  $ cat /proc/cmdline
  BOOT_IMAGE=/vmlinuz-5.8.0-33-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash resume=UUID=73909634-a75d-42c9-8f66-a69138690756 pcie_aspm=off vt.handoff=7
  $ ls -l /dev/disk/by-uuid/73909634-a75d-42c9-8f66-a69138690756
  lrwxrwxrwx 1 root root 10 Jan  5 09:08 /dev/disk/by-uuid/73909634-a75d-42c9-8f66-a69138690756 -> ../../sda2

  (I'm not really sure how to further debug my issue, any assistance
  would be appreciated!)

  ProblemType: Bug
  DistroRelease: Ubuntu 20.10
  Package: systemd 246.6-1ubuntu1
  ProcVersionSignature: Ubuntu 5.8.0-33.36-generic 5.8.17
  Uname: Linux 5.8.0-33-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu50.3
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Tue Jan  5 09:33:04 2021
  InstallationDate: Installed on 2019-05-07 (608 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  MachineType: Gigabyte Technology Co., Ltd. B450M DS3H
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.8.0-33-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash resume=UUID=73909634-a75d-42c9-8f66-a69138690756 pcie_aspm=off vt.handoff=7
  SourcePackage: systemd
  SystemdDelta:
   [EXTENDED]   /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf
   [EXTENDED]   /lib/systemd/system/user at .service → /lib/systemd/system/user at .service.d/timeout.conf
   
   2 overridden configuration files found.
  SystemdFailedUnits:
   Error: command ['systemctl', 'status', '--full', '●'] failed with exit code 4: Invalid unit name "●" escaped as "\xe2\x97\x8f" (maybe you should use systemd-escape?).
   Unit \xe2\x97\x8f.service could not be found.
   ------
   Error: command ['systemctl', 'status', '--full', '●'] failed with exit code 4: Invalid unit name "●" escaped as "\xe2\x97\x8f" (maybe you should use systemd-escape?).
   Unit \xe2\x97\x8f.service could not be found.
  UpgradeStatus: Upgraded to groovy on 2020-06-22 (196 days ago)
  dmi.bios.date: 01/25/2019
  dmi.bios.release: 5.13
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F4
  dmi.board.asset.tag: Default string
  dmi.board.name: B450M DS3H-CF
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF4:bd01/25/2019:br5.13:svnGigabyteTechnologyCo.,Ltd.:pnB450MDS3H:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnB450MDS3H-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
  dmi.product.family: Default string
  dmi.product.name: B450M DS3H
  dmi.product.sku: Default string
  dmi.product.version: Default string
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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