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[Akdor 1154 <1380076@xxxxxxxxxxxxxxxxxx>]

apport information

** Attachment added: "UdevDb.txt"
   https://bugs.launchpad.net/bugs/1380076/+attachment/4275051/+files/UdevDb.txt

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https://bugs.launchpad.net/bugs/1380076

Title:
  Can't suspend on Surface Pro 3

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Suspend on surface pro 3 from GUI does not work. (Nothing happens)

  Doing it manually also fails, and nothing appears in dmesg:
  #echo "mem" > /sys/power/state

  Error while writing to stdout
  write_loop: Invalid argument

  And, more interestingly,
  #cat /sys/power/state

  freeze disk

  Using the not-so-good-and-apparently-unsupported
  #echo "freeze" > /sys/power/state

  does seem to successfully suspend, however I cannot resume from this
  (assumed to be a separate issue). Likewise, pm-hibernate seems
  somewhat functional.

  I am using a the utopic unicorn kernel compiled from git at kernel.ubuntu.com, with a tiny patch that is required for my keyboard to work (hard to file bug reports without a keyboard). The official kernel behaves identically, as does vanilla 3.17 from the mainline folder of kernel-ppa.
  --- 
  ApportVersion: 2.14.7-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  jarrad     2491 F.... pulseaudio
   /dev/snd/controlC0:  jarrad     2491 F.... pulseaudio
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 14.10
  HibernationDevice: RESUME=UUID=178ac532-25db-4ef3-a587-f1fdd2649bf0
  InstallationDate: Installed on 2014-10-10 (57 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140923)
  MachineType: Microsoft Corporation Surface Pro 3
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.4-surface3 root=UUID=f6c17817-9127-4792-be23-a39a07e7f240 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-21.28-generic 3.16.4
  RelatedPackageVersions:
   linux-restricted-modules-3.16.4-surface3 N/A
   linux-backports-modules-3.16.4-surface3  N/A
   linux-firmware                           1.135
  Tags:  utopic
  Uname: Linux 3.16.4-surface3 x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 10/16/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 3.11.0350
  dmi.board.asset.tag: 0
  dmi.board.name: Surface Pro 3
  dmi.board.vendor: Microsoft Corporation
  dmi.board.version: 1
  dmi.chassis.asset.tag: 0
  dmi.chassis.type: 9
  dmi.chassis.vendor: Microsoft Corporation
  dmi.chassis.version: 1
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3.11.0350:bd10/16/2014:svnMicrosoftCorporation:pnSurfacePro3:pvr1:rvnMicrosoftCorporation:rnSurfacePro3:rvr1:cvnMicrosoftCorporation:ct9:cvr1:
  dmi.product.name: Surface Pro 3
  dmi.product.version: 1
  dmi.sys.vendor: Microsoft Corporation

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