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[NoBugs! <1395258@xxxxxxxxxxxxxxxxxx>]

I tested an old 13.04 disk ( I don't know if I have a 13.10 around), and
it gave numerious Unity/Compiz crash warnings, and on low-battery it did
try to shut down and immediatly came back up like in Trusty.

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https://bugs.launchpad.net/bugs/1395258

Title:
  Ubuntu continuously suspends, resumes, suspends, resumes, when battery
  low

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I've had this problem happen at least once before - when Ubuntu sees
  battery is critically low, it suspends, but immediately starts up
  again, shows login screen, suspends, starts up to the login screen,
  suspends. Even if you log in quickly and click "suspend", or shut the
  laptop, it still suspends and resumes again and again.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-39-generic 3.13.0-39.66
  ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
  Uname: Linux 3.13.0-39-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  luke       3091 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri Nov 21 17:58:36 2014
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=136d3aa0-26df-4f6e-8eb2-9ade44134645
  InstallationDate: Installed on 2013-11-23 (363 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: Dell Inc. XPS L521X
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-39-generic.efi.signed root=UUID=8e997c12-0ee0-422b-a7e4-a7cb0a74f38f ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-39-generic N/A
   linux-backports-modules-3.13.0-39-generic  N/A
   linux-firmware                             1.127.8
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-04-19 (216 days ago)
  dmi.bios.date: 12/17/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A16
  dmi.board.name: 0C5Y96
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A16
  dmi.modalias: dmi:bvnDellInc.:bvrA16:bd12/17/2013:svnDellInc.:pnXPSL521X:pvrA16:rvnDellInc.:rn0C5Y96:rvrA00:cvnDellInc.:ct8:cvrA16:
  dmi.product.name: XPS L521X
  dmi.product.version: A16
  dmi.sys.vendor: Dell Inc.

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