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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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

** Changed in: linux (Ubuntu)
       Status: Incomplete => Triaged

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https://bugs.launchpad.net/bugs/1570820

Title:
  Suspend failure

Status in linux package in Ubuntu:
  Triaged

Bug description:
  My laptop fails to suspend. The screen turns off, but the fans
  continue to run (and it may actually get hotter). I wait and wait, and
  nothing happens (the power indicator remains always on).

  I tried suspending using the GUI, pressing the power button, closing
  the lid, and even through the terminal with the "pm-suspend" command.
  Nothing worked.

  Suspend worked fine on Ubuntu 15.10 and older releases, but since I
  upgraded to 16.04 I'm unable to put it to sleep.  In fact,  I had an
  old 4.2 kernel installed from Wily. I booted into it and it suspended
  and then resumed flawlessly, so it really seems to be a kernel related
  bug.

  I'll gladly perform any testing procedures that you may need to try to
  identify what the problem may be.

  I really hope that you are able to fix this soon, even if it will
  probably after the final release.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-18-generic 4.4.0-18.34
  ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
  Uname: Linux 4.4.0-18-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  pedro      2579 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Fri Apr 15 12:39:05 2016
  HibernationDevice: RESUME=UUID=761da9d5-d078-4fb5-a4fc-eff7de723b18
  InstallationDate: Installed on 2015-10-27 (170 days ago)
  InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 870Z5E/880Z5E/680Z5E
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-18-generic.efi.signed root=UUID=8d1874c5-ce9f-481e-8d2a-ce85da5cd7fe ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-18-generic N/A
   linux-backports-modules-4.4.0-18-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: Upgraded to xenial on 2016-04-09 (5 days ago)
  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: NP870Z5E-X01PT
  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.:rnNP870Z5E-X01PT: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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