[Bug 1663794] modified.conffile..etc.systemd.system.conf.txt

[Renê Barbosa]

apport information

** Attachment added: "modified.conffile..etc.systemd.system.conf.txt"
   https://bugs.launchpad.net/bugs/1663794/+attachment/4818504/+files/modified.conffile..etc.systemd.system.conf.txt

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Title:
  Poweroff/Reboot Hangs :: Ubuntu 16.04

Status in systemd package in Ubuntu:
  New

Bug description:
  After upgrading my laptop (Dell Inspiron 5447) to Ubuntu 16.04 I saw
  that I can not shut down or restart after a few hours using the
  system. It hangs in Plymouth and stays that way until I force the
  shutdown by pressing the On / Off button.

  As this is a common bug (there are tons of questions on the Internet)
  I tried to fix it, but none of my attempts were effective. Already
  tried:

  1. Boot with acpi=force
  2. Disable Swap
  3. Run 'sync' before reboot or shutdown
  4. Use another kernel version (4.7, 4.8, 4.9 and 4.10 from mainline)
  5. Disabling USB 3.0
  6. Disabling TLP

  The most interesting thing is: I can shutdown/reboot normally using
  14.04 and the kernel from Xenial HWE and it's because of that I
  believe this is a systemd bug.

  The problem can also be reached just running "halt" of "systemctl
  halt" after booting 16.04 in this machine. Running these commands with
  "force" option is working fine.

  My Machine Specs:

  Dell Inspiron 5447 - BIOS A10
  Intel Core i5-4210 Processor
  8 GB RAM
  480 SSD Sandisk
  Hybrid Graphics (i915/amdgpu - Radeon R7 M265)

  --- BUG Information ----

  Reproducible:
  Always

  Steps to Reproduce:
  1.Power on the machine
  2.Do something, anything or nothing for a few hours
  3.Try to shutdown/reboot using halt, shutdown, reboot, etc

  Actual Results:
  The computer is not shutting down: "Reached target shutdown" and hangs there.

  Expected Results:
  Powering off/rebooting the machine.
  --- 
  ApportVersion: 2.20.1-0ubuntu2.5
  Architecture: amd64
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2017-02-10 (3 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  MachineType: Dell Inc. Inspiron 5447
  Package: systemd 229-4ubuntu16
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.8.0-36-generic root=UUID=d725c86b-f9f7-4ae9-8cd8-7c27f3a8a06a ro quiet xhci_hcd.quirks=270336 splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11
  SystemdDelta:
   [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
   [EXTENDED]   /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf
   
   3 overridden configuration files found.
  Tags:  xenial
  Uname: Linux 4.8.0-36-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 08/25/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0MHP6R
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A10
  dmi.modalias: dmi:bvnDellInc.:bvrA10:bd08/25/2016:svnDellInc.:pnInspiron5447:pvrA10:rvnDellInc.:rn0MHP6R:rvrA00:cvnDellInc.:ct8:cvrA10:
  dmi.product.name: Inspiron 5447
  dmi.product.version: A10
  dmi.sys.vendor: Dell Inc.
  mtime.conffile..etc.systemd.logind.conf: 2017-02-11T01:12:03.222222
  mtime.conffile..etc.systemd.system.conf: 2017-02-09T22:18:49.885303
  mtime.conffile..etc.systemd.timesyncd.conf: 2017-02-09T22:19:05.646455

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