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[Dave Roberts <1562093@xxxxxxxxxxxxxxxxxx>]

I have the same problem, using the 16.04 Ubuntu release build, with
latest updates. Kernel is 4.4.0-21-generic AMD64.  Dell XPS13 9350, with
1.0.4 firmware, Intel i5-6200U, 4GB RAM, 6GB Swap.

Suspend/Resume works fine.  The hibernate seems to stop towards the end
of the process, just before it powers down. Screen is blank, keyboard
backlight goes out, etc. It doesn't get over that final hurdle.

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https://bugs.launchpad.net/bugs/1562093

Title:
  [Dell Inc. XPS 13 9350] hibernate/resume failure

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  sudo pm-hibernate failed.

  ProblemType: KernelOops
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-15-generic 4.4.0-15.31
  ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
  Uname: Linux 4.4.0-15-generic x86_64
  Annotation: This occurred during a previous hibernation, and prevented the system from resuming properly.
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  lightdm    1491 F.... pulseaudio
                        johan      2042 F.... pulseaudio
  Date: Fri Mar 25 18:30:46 2016
  DuplicateSignature: hibernate/resume:Dell Inc. XPS 13 9350:1.2.3
  ExecutablePath: /usr/share/apport/apportcheckresume
  Failure: hibernate/resume
  HibernationDevice: RESUME=UUID=d7490964-39a3-44ea-aded-1cceaead466d
  InstallationDate: Installed on 2016-01-10 (74 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  InterpreterPath: /usr/bin/python3.5
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 0c45:670c Microdia 
   Bus 001 Device 003: ID 04f3:20d0 Elan Microelectronics Corp. 
   Bus 001 Device 002: ID 0a5c:6412 Broadcom Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. XPS 13 9350
  ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume
  ProcEnviron:
   PATH=(custom, no user)
   LANG=sv_SE.UTF-8
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-15-generic root=/dev/mapper/lvm--vg-ubuntu--root ro quiet splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-15-generic N/A
   linux-backports-modules-4.4.0-15-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  Title: [Dell Inc. XPS 13 9350] hibernate/resume failure
  UpgradeStatus: Upgraded to xenial on 2016-02-09 (44 days ago)
  UserGroups:
   
  dmi.bios.date: 01/08/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.2.3
  dmi.board.name: 0VM5NC
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.2.3:bd01/08/2016:svnDellInc.:pnXPS139350:pvr:rvnDellInc.:rn0VM5NC:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9350
  dmi.sys.vendor: Dell Inc.

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