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[petersaints <petersaints@xxxxxxxxx>]

I have the same (or a very similar) laptop and I'm facing the same (or
very similar) problem. I reported it here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570820

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https://bugs.launchpad.net/bugs/1561301

Title:
  [SAMSUNG ELECTRONICS CO., LTD. 870Z5E/880Z5E/680Z5E] suspend/resume
  failure

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  laptop will not suspend when instructed to. it seems to suspend
  partially....external usb drive will suspend but fan and keyboard back
  lights do not shut off. In Ubuntu 14.04.4 it works properly. No
  keystroke will "wake" the laptop. I need to hold down the power key
  for 5-10 seconds to re-boot the computer. currently testing Ubuntu
  Mate 16.04

  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 suspend, and prevented the system from resuming properly.
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jim        1521 F.... pulseaudio
  Date: Wed Mar 23 21:53:35 2016
  DuplicateSignature: suspend/resume:SAMSUNG ELECTRONICS CO., LTD. 870Z5E/880Z5E/680Z5E:P05ADH.017.140421.SH
  ExecutablePath: /usr/share/apport/apportcheckresume
  Failure: suspend/resume
  HibernationDevice: RESUME=UUID=8a7057dd-5682-4a01-b6cf-aba2e088a2e8
  InstallationDate: Installed on 2016-03-23 (0 days ago)
  InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160224)
  InterpreterPath: /usr/bin/python3.5
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 870Z5E/880Z5E/680Z5E
  ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-15-generic.efi.signed root=UUID=e3144a26-7183-4650-b7a9-22fdaf6dc28a 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: [SAMSUNG ELECTRONICS CO., LTD. 870Z5E/880Z5E/680Z5E] suspend/resume failure
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 04/21/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P05ADH.017.140421.SH
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: NP880Z5E-X01UB
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: SEC_SW_REVISION_1234567890ABCD
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP05ADH.017.140421.SH:bd04/21/2014:svnSAMSUNGELECTRONICSCO.,LTD.:pn870Z5E/880Z5E/680Z5E:pvrP05ADH:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP880Z5E-X01UB:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
  dmi.product.name: 870Z5E/880Z5E/680Z5E
  dmi.product.version: P05ADH
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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