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[Launchpad Bug Tracker <1458590@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/1458590

Title:
  HP Pavilion hangs on shutdown

Status in linux package in Ubuntu:
  Expired

Bug description:
  A HP Pavilion laptop with the latest 14.04.2 LTS updates does not shut
  down properly.

  Instead of shutting down normally, the system keeps hanging with a
  black screen and the fan running until the laptop is switched off
  manually with the power button.

  Setting "acpi=off" in the boot options resolves the shutdown issues.

  Setting "acpi=ht" as boot option causes the shutdown to hang.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-38-generic 3.16.0-38.52~14.04.1
  ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10
  Uname: Linux 3.16.0-38-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon May 25 15:41:19 2015
  InstallationDate: Installed on 2015-05-14 (10 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)

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