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[Bug 1380076] Re: Can't suspend on Surface Pro 3


I made Akdor's pm-functions patch using 3.19RC3. Suspend did not change
at all; it still bounced right back. Note that this kernel is unaware of
the battery (I've read that 3.16 kernels don't have that problem) so
maybe there is some interaction there.

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  Can't suspend on Surface Pro 3

Status in linux package in Ubuntu:

Bug description:
  With my Surface Pro 3 when I suspend from the GUI 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).

  I am using a modified utopic unicorn kernel compiled from git at kernel.ubuntu.com, with the following patch to enable mykeyboard to work:

  The official kernel behaves identically, as does vanilla 3.17 from the
  mainline folder of kernel-ppa.

  WORKAROUND: Use hibernate.

  ApportVersion: 2.14.7-0ubuntu5
  Architecture: amd64
   /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
   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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