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[Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx>]

Verified with 3.13.0-32 on this system, I can't reproduce it anymore.
I will mark it as Fix Released.
Thanks


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

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https://bugs.launchpad.net/bugs/1182836

Title:
  [Dell VOSTRO 5560] When unplugged, hibernate will cause system failed
  to suspend

Status in linux package in Ubuntu:
  Fix Released

Bug description:
  CID:201303-13110 Dell VOSTRO 5560 (12.04.2, 3.5.0-28)

  It's an odd situation, this is how I reproduce it:
  1. Reboot (with adapter unplugged), Suspend, then wake it up.
  2. Running hibernate test in Checkbox (tick only "Hibernation tests" and "power-management/rtc"), and wake it up manually.
  (Issue about did not wake up from hibernate automatically: #1182818)
  3. Suspend.

  Expected Result:
  1. The first suspension is normal.
  2. Successfully hibernated.
  3. Successfully suspended.

  Actual Result:
  The second suspension will fail, system switched to the console mode and switch back very quickly.
  If you start these steps with adapter plugged, the suspension will be fine.

  Even more, if you finish these steps with adapter plugged, unplugged
  it, and run hibernation test again, then suspension, this time
  suspension will fail.

  Note: Since there are some NetworkManager related errors in pm-suspend.log (please find attachment)
  I tried once unloading the alx driver, seems that it can solve this problem, but the error message in log file remains.
  Further investigation is needed.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.5.0-28-generic 3.5.0-28.48~precise1
  ProcVersionSignature: Ubuntu 3.5.0-28.48~precise1-generic 3.5.7.9
  Uname: Linux 3.5.0-28-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  ApportVersion: 2.0.1-0ubuntu17.2
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: ALC290 Analog [ALC290 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1532 F.... pulseaudio
  CRDA:
   country TW:
   	(2402 - 2472 @ 40), (3, 27)
   	(5270 - 5330 @ 40), (3, 17), DFS
   	(5735 - 5815 @ 40), (3, 30)
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xb2610000 irq 46'
     Mixer name	: 'Intel PantherPoint HDMI'
     Components	: 'HDA:10ec0290,102805e8,00100003 HDA:80862806,80860101,00100000'
     Controls      : 28
     Simple ctrls  : 12
  Date: Wed May 22 17:34:10 2013
  HibernationDevice: RESUME=UUID=c3cbfcf7-fd98-498d-adf3-a2b99a7a1041
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
  MachineType: Dell Inc. Vostro 5560
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-28-generic root=UUID=f72f6ee1-f642-4d5e-87da-46a78e4cba5c ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-28-generic N/A
   linux-backports-modules-3.5.0-28-generic  N/A
   linux-firmware                            1.79.4
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/05/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: X12
  dmi.board.name: T5E3C1
  dmi.board.vendor: Dell Inc.
  dmi.board.version: X01
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrX12:bd03/05/2013:svnDellInc.:pnVostro5560:pvr:rvnDellInc.:rnT5E3C1:rvrX01:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Vostro 5560
  dmi.sys.vendor: Dell Inc.

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