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[Bug 1575250] Re: system takes exactly five minutes to wake from suspend


I'm working on the bisect now. I already ruled out the suspected commit
- the first bisect step blew right past it. Each build takes about 2.5
hours on an i7-3770 and there's another 10 to go, so I should find the
answer in about about four days or so.

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  system takes exactly five minutes to wake from suspend

Status in linux package in Ubuntu:
  In Progress

Bug description:
  To reproduce:

  1. Close laptop lid.
  2. Wait a couple of minutes.
  3. Open laptop lid.

  Result: the screen remains powered off and the system will not respond
  in any way. Pressing keys does nothing. Pressing the power button does
  nothing. There is no disk activity but the power light is lit. After
  exactly five minutes (to the second) the system resumes.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-21-generic 4.4.0-21.37 [modified: boot/vmlinuz-4.4.0-21-generic]
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
   /dev/snd/controlC0:  al         1892 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Apr 26 16:46:08 2016
  HibernationDevice: RESUME=UUID=8623f57e-2fc2-4a9a-bd35-73f33e1aeb59
  InstallationDate: Installed on 2016-04-21 (4 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  MachineType: LENOVO 20040M18
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic root=UUID=0f83fbb5-4903-4610-9f32-1ab22c935bb0 ro quiet splash vt.handoff=7
   linux-restricted-modules-4.4.0-21-generic N/A
   linux-backports-modules-4.4.0-21-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/11/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 24CN61WW
  dmi.board.name: Caucasus2
  dmi.board.vendor: LENOVO
  dmi.board.version: Rev 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Lenovo
  dmi.chassis.version: Rev 1.0
  dmi.modalias: dmi:bvnLENOVO:bvr24CN61WW:bd08/11/2010:svnLENOVO:pn20040M18:pvrLenovoIdeapadS10-3t:rvnLENOVO:rnCaucasus2:rvrRev1.0:cvnLenovo:ct10:cvrRev1.0:
  dmi.product.name: 20040M18
  dmi.product.version: Lenovo Ideapad S10-3t
  dmi.sys.vendor: LENOVO

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