[Bug 1782167] Re: Computer won't suspend

[A.Kromic]

Just a note, I'm not really sure this is indeed a *systemd* bug,
unfortunately I can't be sure yet I had to file it against a package. I
made an (un?)educated guess based on the DBus message (I know systemd is
intimately connected to DBus), on the fact systemd is connected to
device management (udev) and finally on the fact that systemd does
everything and the kitchen sink. It could also be X, kernel, something
else... Unfortunately there are no messages in the syslog to give any
clue...

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Title:
  Computer won't suspend

Status in systemd package in Ubuntu:
  Confirmed

Bug description:
  After a fresh start, suspend works fine. However, after a day or two,
  the computer simply won't enter suspend state, with no error message;
  sometimes when I try several times in a row, I get a notification
  about DBus failing to suspend because it is already doing something...
  or something like this.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: systemd 237-3ubuntu10
  ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18
  Uname: Linux 4.15.0-24-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Tue Jul 17 16:08:35 2018
  MachineType: LENOVO 5474W9Y
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-24-generic root=UUID=1a87302c-9fb9-4110-99e5-2e0d44fec6b7 ro
  SourcePackage: systemd
  UpgradeStatus: Upgraded to bionic on 2018-06-19 (27 days ago)
  dmi.bios.date: 04/11/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 5JKT55AUS
  dmi.board.vendor: LENOVO
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnLENOVO:bvr5JKT55AUS:bd04/11/2011:svnLENOVO:pn5474W9Y:pvrThinkCentreM90:rvnLENOVO:rn:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: 5474W9Y
  dmi.product.version: ThinkCentre M90
  dmi.sys.vendor: LENOVO

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