I tested hibernation with no prior kernel version.

Now I tested the upstream kernel (v4.8-rc6) and the bug exists there, too. 
That kernel however caused strange things. The processor cores hit 100 % usage 
right after login. I opened a terminal (Ctrl+Alt+T), started htop but the 
terminal became blank and another core hit 100%. This happened to the ps 
command and the xfce4-taskmanager. I could gain no information of what 
processes use 100%. Finally the whole system froze. I rebooted a few times so 
as to be able to test the hibernation. Once the system froze after typing the 
password on the login screen.

** Tags added: kernel-bug-exists-upstream

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  [Hewlett-Packard HP ProBook 6470b] hibernate/resume failure [non-free:

Status in linux package in Ubuntu:

Bug description:
  I followed instructions on 
http://www.zedt.eu/tech/linux/enable-hibernation-xubuntu-16-04/ to enable 
  pm-hibernate worked well.
  The Hibernate option appeared in Xubuntu's power menu. I pressed that button. 
The screen became blank and Caps Lock became on, not responding.
  I pressed the power button until the laptop stopped and started it. Xubuntu 
loaded as if it wasn't hibernated and I got this bug report option.

  ProblemType: KernelOops
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-36-generic 4.4.0-36.55
  ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
  Uname: Linux 4.4.0-36-generic x86_64
  NonfreeKernelModules: wl
  Annotation: This occurred during a previous hibernation, and prevented the 
system from resuming properly.
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
   /dev/snd/controlC0:  lightdm    3174 F.... pulseaudio
                        ata        3931 F.... pulseaudio
  Date: Thu Sep 15 01:33:03 2016
  DuplicateSignature: hibernate/resume:Hewlett-Packard HP ProBook 6470b:68ICE 
Ver. F.61
  ExecutablePath: /usr/share/apport/apportcheckresume
  Failure: hibernate/resume
  HibernationDevice: RESUME=UUID=5ccd986b-e478-4ced-b4d7-6b034e2ae500
  InstallationDate: Installed on 2014-12-04 (649 days ago)
  InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  InterpreterPath: /usr/bin/python3.5
  MachineType: Hewlett-Packard HP ProBook 6470b
  ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-36-generic 
root=UUID=a65b2c0c-545b-4b5e-90fa-f32a8319282a ro quiet splash 
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
   linux-restricted-modules-4.4.0-36-generic N/A
   linux-backports-modules-4.4.0-36-generic  N/A
   linux-firmware                            1.157.3
  SourcePackage: linux
  Title: [Hewlett-Packard HP ProBook 6470b] hibernate/resume failure [non-free: 
  UpgradeStatus: Upgraded to xenial on 2016-07-26 (50 days ago)
  dmi.bios.date: 01/21/2015
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68ICE Ver. F.61
  dmi.board.name: 179C
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 42.38
  dmi.chassis.asset.tag: 6470b
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.product.name: HP ProBook 6470b
  dmi.product.version: A1029C1102
  dmi.sys.vendor: Hewlett-Packard

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