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[ah_lam <1326097@xxxxxxxxxxxxxxxxxx>]

Please ignore my previous post. The behaviour is rather random on my laptop. It's not related to the kernel versions i mentioned.
I will try to check more to find out the pattern of the problem.

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https://bugs.launchpad.net/bugs/1326097

Title:
  [Lenovo ThinkPad W530] Does not stay suspended

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  What happens:

  I suspend my laptop by either 'pm-suspend' or via the gui. The screen
  blacks out as expected for about 3 seconds, but instead of staying
  suspended, it 'wakes up' automatically, displays some white text
  against a black background for a few seconds, and goes to the login
  page.

  I believe this may ave something to do with my graphics driver. I also
  have an external monitor connected to my laptop.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-27-generic 3.13.0-27.50
  ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
  Uname: Linux 3.13.0-27-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  av376      2280 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Jun  2 21:06:38 2014
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=287248c5-91d8-4fb7-9061-39d9d9f45004
  InstallationDate: Installed on 2014-01-17 (136 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: LENOVO 2436CTO
  ProcFB:
   0 inteldrmfb
   1 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-27-generic.efi.signed root=UUID=5c57f04c-3589-44cd-ab88-b0fcddd258fe ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-27-generic N/A
   linux-backports-modules-3.13.0-27-generic  N/A
   linux-firmware                             1.127.2
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-05-15 (18 days ago)
  dmi.bios.date: 05/24/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G5ET93WW (2.53 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 2436CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Win8 Pro DPK TPG
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrG5ET93WW(2.53):bd05/24/2013:svnLENOVO:pn2436CTO:pvrThinkPadW530:rvnLENOVO:rn2436CTO:rvrWin8ProDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2436CTO
  dmi.product.version: ThinkPad W530
  dmi.sys.vendor: LENOVO

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