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[Launchpad Bug Tracker <1424088@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

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

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https://bugs.launchpad.net/bugs/1424088

Title:
  No resume on ThinkPad Helix -- system keeps sleeping

Status in linux package in Ubuntu:
  Expired

Bug description:
  Lenovo ThinkPad Helix is a "Convertable Ultrabook" with an Intel
  Core-M ("Broadwell") processor. The tablet can come off the dock-with-
  keyboard and latch to it as a cover.

  Attempting a suspend is apparently successful. The LED (on the back of
  the tablet pulsates).

  But neither attaching the tablet in its open position nor pressing the
  power button will wake the system to resume. The LED continues to
  pulsate and the system continues to be unreachable by Ethernet.

  As a "workaround" I can suspend with pm-suspend-hybrid and then when
  it does not resume I can force power off and turn it back on. This
  causes it to thaw.

  None of the pm-action "quirk" options helped.

  Description:	Ubuntu 14.04.2 LTS
  Release:	14.04
  I have also tried Ubuntu 14.10.1 and it also has this issue.

  The kernel message insists that I attach /sys/class/drm/card0/error
  but that file is empty.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-30-generic 3.16.0-30.40~14.04.1 [modified: boot/vmlinuz-3.16.0-30-generic]
  ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
  Uname: Linux 3.16.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Feb 20 14:08:57 2015
  InstallationDate: Installed on 2015-02-20 (0 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)

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