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[Launchpad Bug Tracker <1176122@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

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

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https://bugs.launchpad.net/bugs/1176122

Title:
  computer randomly restarts when ac power adapter is used.

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  this is a problem with all ubuntu variants and others based on ubuntu
  (namely linux mint).

  it exists in 13.04 and 12.10 and if the laptop is pluged into ac
  power, the laptop will randomly restart.  it could be in 30 seconds,
  or 30 minutes.  I have left the laptop to sit, at desktop, come back
  and opened a terminal and bam!  computer restarts. no warning.

  by accident I had it unplugged one day and it did not restart once.  I
  finally figured out the source of the problem (ac power cord).

  this problem does not exist with other Linux distributions.  Ubuntu
  and Linux Mint are the only ones with the problem.

  If I install Ubuntu or Mint and run on battery power, excellent. no
  crashes of any kind.

  the problem only exists when ac power charger cable is plugged in.
  ---
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  dave       1955 F.... pulseaudio
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=abac56ff-271b-49a5-a912-e76be0c26042
  InstallationDate: Installed on 2013-05-04 (2 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: ASUSTeK Computer Inc. U56E
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic root=UUID=11179c05-2874-4d05-be40-9e7468f2d730 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-19-generic N/A
   linux-backports-modules-3.8.0-19-generic  N/A
   linux-firmware                            1.106
  Tags:  raring
  Uname: Linux 3.8.0-19-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 09/29/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: U56E.211
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: U56E
  dmi.board.vendor: ASUSTeK Computer Inc.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer Inc.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrU56E.211:bd09/29/2011:svnASUSTeKComputerInc.:pnU56E:pvr1.0:rvnASUSTeKComputerInc.:rnU56E:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
  dmi.product.name: U56E
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.

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