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[b3nmore <1432222@xxxxxxxxxxxxxxxxxx>]

While at it, I've tested kernel 4.0-rc3 from mainline and with that one
it works again, even in 'platform' mode.

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https://bugs.launchpad.net/bugs/1432222

Title:
  system does not power off after going into hibernation

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  My laptop does not power off anymore after going into hibernation.
  Instead I have to power off manually by holding the power button for
  some seconds. Resuming from hibernation does work reliably however.

  This is regression, since it works perfectly with the utopic kernel
  (currently 3.16.0.31.24).

  To be more precise, the standard 'platform' mode causes this issue:
  echo platform > /sys/power/disk
  echo disk > /sys/power/state

  When using the 'shutdown' mode the system powers off correctly:
  echo shutdown > /sys/power/disk
  echo disk > /sys/power/state

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-9-generic 3.19.0-9.9 [modified: boot/vmlinuz-3.19.0-9-generic]
  ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
  Uname: Linux 3.19.0-9-generic x86_64
  ApportVersion: 2.16.2-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  kiran      1458 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Sat Mar 14 19:36:16 2015
  HibernationDevice: RESUME=UUID=ebcf26a9-f63a-4b55-ad87-31f7b1f3feb6
  InstallationDate: Installed on 2015-03-14 (0 days ago)
  InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150313)
  MachineType: LENOVO 2767WSD
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-9-generic root=UUID=f0d3de75-e584-48c4-a3af-7b73dd5eb495 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-9-generic N/A
   linux-backports-modules-3.19.0-9-generic  N/A
   linux-firmware                            1.143
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/17/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7UET94WW (3.24 )
  dmi.board.name: 2767WSD
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr7UET94WW(3.24):bd10/17/2012:svnLENOVO:pn2767WSD:pvrThinkPadT400:rvnLENOVO:rn2767WSD:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2767WSD
  dmi.product.version: ThinkPad T400
  dmi.sys.vendor: LENOVO

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