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[AceLan Kao <1335026@xxxxxxxxxxxxxxxxxx>]

unbind the usb camera, and then it can pass S3 100 times.
I'll try tracing the camera driver to figure out the issue.

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https://bugs.launchpad.net/bugs/1335026

Title:
  [Dell OptiPlex 3011] Sometimes system won't be able to run suspend
  stress test

Status in HWE Next Project:
  In Progress
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  CID: 201302-12682 Dell OptiPlex 3011

  Sometimes this system cannot be suspended for multiple times with
  sudo fwts -P s3 --s3-multiple=5 --s3-device-check --s3-device-check-delay 45
  (The first suspend cycle probably would success)

  Error could be found in the log file:
  S3 cycle 1 of 5 
  pm-suspend returned 128 after 20 seconds.
  FAILED [MEDIUM] ShortSuspend: Test 1, Unexpected: S3 slept for 20 seconds, less
  than the expected 30 seconds.
  FAILED [HIGH] PMActionPowerStateS3: Test 1, pm-action tried to put the machine
  in the requested power state but failed.

  When this happened, even suspend with the system menu would fail.

  I do have it successfully suspend for 5 times once.

  Steps:
  1. Install 14.04, boot to desktop
  2. Try to suspend this system for multiple times with the command above
  3. Reboot and re-test it.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified: boot/vmlinuz-3.13.0-24-generic]
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1339 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jun 24 02:25:16 2014
  HibernationDevice: RESUME=UUID=1877e238-0ac4-41ae-8f13-91e1e3636b73
  InstallationDate: Installed on 2014-06-19 (4 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Dell Inc. OptiPlex 3011 AIO
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=d6534767-b55e-4ec0-b18e-cb1151963470 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/22/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: X19
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 13
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrX19:bd02/22/2013:svnDellInc.:pnOptiPlex3011AIO:pvr01:rvnDellInc.:rn:rvr:cvnDellInc.:ct13:cvr:
  dmi.product.name: OptiPlex 3011 AIO
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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