[Bug 1225617] Re: Acpi does not recognize a power cable unplug leading to weird battery and power saving issues

[Axx83]

Sorry I meant on the first line: "If the cable is in" not "if I unplug
the cable"

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Title:
  Acpi does not recognize a power cable unplug leading to weird battery
  and power saving issues

Status in “acpi-support” package in Ubuntu:
  New
Status in “pm-utils” package in Ubuntu:
  New

Bug description:
  On my Acer Aspire S7-391 with Intel Ivy Bridge when going from AC to
  Battery acpi does not recognize the unplug, instead it sees the cable
  being plugged again:

  me at me-Aspire-S7-391:~$ acpi_listen
  ac_adapter ACAD 00000080 00000001
  battery BAT0 00000080 00000001
  processor CPU0 00000081 00000000
  processor CPU1 00000081 00000000
  processor CPU2 00000081 00000000
  processor CPU3 00000081 00000000

  when I plug the cable back in for real it sees

  lele at lele-Aspire-S7-391:~$ acpi_listen
  ac_adapter ACAD 00000080 00000000
  battery BAT0 00000080 00000001
  processor CPU0 00000081 00000000
  processor CPU1 00000081 00000000
  processor CPU2 00000081 00000000
  processor CPU3 00000081 00000000

  as if the cable was beign unplugged.

  At the same time pm-powersave will not run when unplugging but will
  run twice, first TRUE and then FALSE, when re-plugging.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: pm-utils 1.4.1-9git1ubuntu0.1
  ProcVersionSignature: Ubuntu 3.8.0-30.44-generic 3.8.13.6
  Uname: Linux 3.8.0-30-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  Date: Sun Sep 15 10:46:45 2013
  InstallationDate: Installed on 2013-08-31 (14 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: pm-utils
  UpgradeStatus: No upgrade log present (probably fresh install)

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