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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1566853

Title:
  [Dell Inc. Inspiron 5547] hibernate/resume failure

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  While restarting/logout
  getting 
  "unable to handle kernel null pointer dereference"

  After reading some posts

  in /etc/default/grub I used acpi=force

  After that restart is fine.But logout,suspend are freezing....leaving
  with no option but a hard shutdown

  I have amd radeon graphics card.But uses intel graphics chipset

  harish@harish-Inspiron-5547:~$ lspci -nn | grep VGA
  00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b)

  ProblemType: KernelOops
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-17-generic 4.4.0-17.33
  ProcVersionSignature: Ubuntu 4.4.0-17.33-generic 4.4.6
  Uname: Linux 4.4.0-17-generic x86_64
  Annotation: This occurred during a previous hibernation, and prevented the system from resuming properly.
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  harish     2570 F.... pulseaudio
   /dev/snd/controlC0:  harish     2570 F.... pulseaudio
  Date: Wed Apr  6 18:31:29 2016
  DuplicateSignature: hibernate/resume:Dell Inc. Inspiron 5547:A07
  ExecutablePath: /usr/share/apport/apportcheckresume
  Failure: hibernate/resume
  HibernationDevice: RESUME=UUID=50c319d2-c707-4f1b-9892-0d20c6f0ce2f
  InstallationDate: Installed on 2015-07-31 (250 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  InterpreterPath: /usr/bin/python3.5
  MachineType: Dell Inc. Inspiron 5547
  ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-17-generic root=UUID=1045f991-e1a4-4984-96d2-a1432bac267f ro acpi quiet splash acpi=force 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-4.4.0-17-generic N/A
   linux-backports-modules-4.4.0-17-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  Title: [Dell Inc. Inspiron 5547] hibernate/resume failure
  UpgradeStatus: Upgraded to xenial on 2016-04-03 (3 days ago)
  UserGroups:
   
  dmi.bios.date: 01/23/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 08KNCD
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A07
  dmi.modalias: dmi:bvnDellInc.:bvrA07:bd01/23/2015:svnDellInc.:pnInspiron5547:pvrA07:rvnDellInc.:rn08KNCD:rvrA00:cvnDellInc.:ct8:cvrA07:
  dmi.product.name: Inspiron 5547
  dmi.product.version: A07
  dmi.sys.vendor: Dell Inc.

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