[Bug 1980679] Re: Suspend on focal takes 30s.

[b]

Yes, there is still a delay of 32s between pressing "suspend" and the
machine actually going into suspend. See attached systemd-analyze
output.

** Attachment added: "Output of systemd-analyze cat-config systemd/logind.conf"
   https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1980679/+attachment/5682587/+files/systemd-analyze

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Title:
  Suspend on focal takes 30s.

Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  Just upgrades my NUC from Bionic to Focal and suspend went from
  immediate (within a couple seconds) to taking a whole 30 seconds.
  While suspend is happening, the machine is still usable, mouse moves,
  applications respond, all the way until the machine actually goes to
  sleep. I don't see anything strange in kern.log that would explain the
  slowness:

  Jul  4 08:44:55 domi kernel: [342379.045479] Lockdown: systemd-logind: hibernation is restricted; see man kernel_lockdown.7
  Jul  4 08:44:55 domi kernel: [342379.048878] Lockdown: systemd-logind: hibernation is restricted; see man kernel_lockdown.7
  Jul  4 08:44:55 domi kernel: [342379.049670] Lockdown: systemd-logind: hibernation is restricted; see man kernel_lockdown.7
  Jul  4 08:44:56 domi kernel: [342379.966129] Lockdown: systemd-logind: hibernation is restricted; see man kernel_lockdown.7
  Jul  4 08:44:56 domi kernel: [342379.971410] Lockdown: systemd-logind: hibernation is restricted; see man kernel_lockdown.7
  Jul  4 08:45:27 domi kernel: [342410.725869] PM: suspend entry (s2idle)
  Jul  4 08:45:32 domi kernel: [342410.749912] Filesystems sync: 0.024 seconds
  Jul  4 08:45:32 domi kernel: [342410.751470] Freezing user space processes ... (elapsed 0.002 seconds) done.
  Jul  4 08:45:32 domi kernel: [342410.753907] OOM killer disabled.
  Jul  4 08:45:32 domi kernel: [342410.753907] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
  Jul  4 08:45:32 domi kernel: [342410.755259] printk: Suspending console(s) (use no_console_suspend to debug)
  Jul  4 08:45:32 domi kernel: [342410.755948] e1000e: EEE TX LPI TIMER: 00000011
  Jul  4 08:45:32 domi kernel: [342410.812587] sd 2:0:0:0: [sdb] Synchronizing SCSI cache
  Jul  4 08:45:32 domi kernel: [342410.812607] sd 1:0:0:0: [sda] Synchronizing SCSI cache
  Jul  4 08:45:32 domi kernel: [342410.812708] sd 2:0:0:0: [sdb] Stopping disk
  Jul  4 08:45:32 domi kernel: [342410.816870] sd 1:0:0:0: [sda] Stopping disk
  Jul  4 08:45:32 domi kernel: [342411.080056] ACPI: EC: interrupt blocked
  Jul  4 08:45:32 domi kernel: [342415.597918] ACPI: EC: interrupt unblocked

  There does look to be 30s between the last "Lockdown: systemd-logind:
  hibernation is restricted; see man kernel_lockdown.7" and "PM: suspend
  entry (s2idle)"

  This is mostly a frustration, but could be a security issue for some
  if they suspend the machine and walk away thinking it would be locked
  but is usable for another 30s.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.4.0-121-generic 5.4.0-121.137
  ProcVersionSignature: Ubuntu 5.4.0-121.137-generic 5.4.189
  Uname: Linux 5.4.0-121-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.24
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  bbogart    1033 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: XFCE
  Date: Mon Jul  4 08:43:09 2022
  InstallationDate: Installed on 2019-02-09 (1241 days ago)
  InstallationMedia: Xubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  MachineType: Intel(R) Client Systems NUC8i3BEH
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-121-generic root=UUID=9c982b36-8142-4719-810a-e06f81cab223 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-121-generic N/A
   linux-backports-modules-5.4.0-121-generic  N/A
   linux-firmware                             1.187.31
  SourcePackage: linux
  UpgradeStatus: Upgraded to focal on 2022-06-30 (4 days ago)
  dmi.bios.date: 10/15/2018
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: BECFL357.86A.0051.2018.1015.1513
  dmi.board.name: NUC8BEB
  dmi.board.vendor: Intel Corporation
  dmi.board.version: J72693-304
  dmi.chassis.type: 3
  dmi.chassis.vendor: Intel Corporation
  dmi.chassis.version: 2.0
  dmi.modalias: dmi:bvnIntelCorp.:bvrBECFL357.86A.0051.2018.1015.1513:bd10/15/2018:svnIntel(R)ClientSystems:pnNUC8i3BEH:pvrJ72753-303:rvnIntelCorporation:rnNUC8BEB:rvrJ72693-304:cvnIntelCorporation:ct3:cvr2.0:
  dmi.product.family: Intel NUC
  dmi.product.name: NUC8i3BEH
  dmi.product.sku: BOXNUC8i3BEH
  dmi.product.version: J72753-303
  dmi.sys.vendor: Intel(R) Client Systems

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