[Bug 1582011] Re: Swap Failed, Indefinite hang on reboot/shutdown "Reached target Shutdown"

[Guest]

To clarify things, this bug here affects unencrypted swap partitions.

There is another bug (https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1506139),
which affects encrypted swap partitions.

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Title:
  Swap Failed, Indefinite hang on reboot/shutdown "Reached target
  Shutdown"

Status in systemd package in Ubuntu:
  Confirmed

Bug description:
  This bug has been affecting me since 15.04
  Prior to shutdown I activate debug-shell 'systemctl start debug-shell'
  I have followed bug #1464917 and installed Xenial-proposed with systemd 229-4ubuntu5 package.  
  I have finally collected shutdown info using vt9.  
  Issues collecting info due to what I believe is a timeout where vt9 is not activated when ctl+alt+F9 is pressed.  I was able to collect info in vt9 to file "shutdown.text" I appended outputs to file "shutdown.text" the following commands in this order:
  systemctl list-jobs >>shutdown.text
  systemctl --failed >>shutdown.text
  uname -a >>shutdown.text
  systemd --version >>shutdown.text
  lsblk >>shutdown.text
  blkid >>shutdown.text
  journalctl -b >>shutdown.text
  systemctl -all >>shutdown.text
  journalctl -xe >>shutdown.text

  After gaining these data I was only able to finish the reboot with the alt+Sysrq and REISUB which forces a reboot even when I just want to shutdown
  Each output I separated upon next boot by hand with a line ######################### for easier perusing.

  As a workaround for shutdown/reboot I turn swap off, 'sudo swapoff -a
  && systemctl poweroff' or 'sudo swapoff -a && reboot'  which
  occasionally fails if SWAP has more data than available RAM.  In that
  latter case I am left waiting for the hang and then using
  alt+Sysrq+REISUB to reboot then shutdown again immediately upon boot
  before SWAP has a chance to gain data, then I can use any form of
  halt, poweroff or menu to shutdown.

  I have been unable to get answers from AskUbuntu or the above listed
  bug #1464917 "Reached target Shutdown"  I am filing this bug per
  instructions requested in that bug.  Other systemd bugs I have
  researched #788303 Debian bug reports, #2930 Github and #3087 Github.

  Thanks for your time and efforts to help with this issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: systemd 229-4ubuntu5
  ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
  Uname: Linux 4.4.0-22-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  Date: Sun May 15 12:08:34 2016
  ExecutablePath: /lib/systemd/systemd
  InstallationDate: Installed on 2015-06-29 (321 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Sony Corporation VGN-FW250J
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   XDG_RUNTIME_DIR=<set>
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic root=UUID=b010e611-6efb-49a9-bff0-59b9533d659b ro resume=UUID=8bcb4169-f5ab-4ab6-b644-23e528088d41 usbcore.autosuspend=-1
  SourcePackage: systemd
  SystemdDelta:
   [EXTENDED]   /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf
   [EXTENDED]   /etc/systemd/system/display-manager.service → /lib/systemd/system/display-manager.service.d/xdiagnose.conf
   [EXTENDED]   /lib/systemd/system/systemd-timesyncd.service → /lib/systemd/system/systemd-timesyncd.service.d/disable-with-time-daemon.conf
   
   3 overridden configuration files found.
  UpgradeStatus: Upgraded to xenial on 2016-04-26 (18 days ago)
  dmi.bios.date: 07/25/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: R1090Y0
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR1090Y0:bd07/25/2008:svnSonyCorporation:pnVGN-FW250J:pvrC6011MLK:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: VGN-FW250J
  dmi.product.version: C6011MLK
  dmi.sys.vendor: Sony Corporation

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