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[Bug 1560202] Re: [LENOVO 80LM] suspend/resume failure


Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.5 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:

Once testing of the upstream kernel is complete, please mark this bug as

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5-wily/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Critical

** Changed in: linux (Ubuntu)
   Importance: Critical => Medium

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

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  [LENOVO 80LM] suspend/resume failure

Status in linux package in Ubuntu:

Bug description:
  Lenovo B51 with Ubuntu Mate 16.04, fresh and up to date installed. The
  system fails to suspend from any known method (dm menu, session menu,
  pm-suspend). Hard reset required after every  attempt.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-15-generic 4.4.0-15.31
  ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
  Uname: Linux 4.4.0-15-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
   /dev/snd/pcmC0D0p:   sergio     1920 F...m pulseaudio
   /dev/snd/controlC0:  sergio     1920 F.... pulseaudio
  CurrentDesktop: MATE
  Date: Mon Mar 21 21:12:47 2016
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=b2e611bd-bf9b-4a08-a32f-f2691d75c3c9
  InstallationDate: Installed on 2016-03-21 (0 days ago)
  InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160224)
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 8087:0a2a Intel Corp. 
   Bus 001 Device 002: ID 174f:14f2 Syntek 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 80LM
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-15-generic root=UUID=15117e0b-6e2f-4471-83be-5d0c22689f0f ro quiet splash vt.handoff=7
   linux-restricted-modules-4.4.0-15-generic N/A
   linux-backports-modules-4.4.0-15-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/12/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: D7CN15WW(V1.01)
  dmi.board.asset.tag: NO Asset Tag
  dmi.board.name: Lenovo B51-80
  dmi.board.vendor: LENOVO
  dmi.board.version: No DPK
  dmi.chassis.asset.tag: NO Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo B51-80
  dmi.modalias: dmi:bvnLENOVO:bvrD7CN15WW(V1.01):bd08/12/2015:svnLENOVO:pn80LM:pvrLenovoB51-80:rvnLENOVO:rnLenovoB51-80:rvrNoDPK:cvnLENOVO:ct10:cvrLenovoB51-80:
  dmi.product.name: 80LM
  dmi.product.version: Lenovo B51-80
  dmi.sys.vendor: LENOVO

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