[Bug 987220] Re: System does not power off reliably when "Shut Down" chosen from GUI

[setcho]

Shutdown hangs on the Ubuntu 12.04 shutdown screen and does not turn
off. A couple of things to note:

1. This problem does not happen all the time. Approximately, for every 4
shutdowns 1 will work and 3 will hang and not complete. The Ubuntu
shutdown screen does not display correctly on the 3 failures. "Ubuntu"
appears larger than it should and there are no progress dots below it.
On the one shutdown that completes "Ubuntu" appears at the right size on
the shutdown screen and the progress dots are working.

2. This error coincided with the death of my Graphics card, I have no
idea if they were related it was 4 years old so it could have been just
normal wear and tear. Anyway whilst I waited for my new card I installed
Xubuntu 12.04 on an old Dimension 3000 with integrated graphics, all
shutdowns completed correctly. Recieved new graphics yesterday and
reinstalled Ubuntu 12.04 on my main machine and shutdown problem
persists.

Specs: Dell XPS 420 using fglrx originally on a ATI Radeon HD3870 now on
ATI Radeon HD5450.

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https://bugs.launchpad.net/bugs/987220

Title:
  System does not power off reliably when "Shut Down" chosen from GUI

Status in The Session Menu:
  Incomplete
Status in “gnome-session” package in Ubuntu:
  Invalid
Status in “indicator-session” package in Ubuntu:
  Invalid
Status in “linux” package in Ubuntu:
  Confirmed
Status in “upstart” package in Ubuntu:
  Invalid
Status in “gnome-session” source package in Precise:
  Invalid
Status in “indicator-session” source package in Precise:
  Invalid
Status in “linux” source package in Precise:
  Confirmed
Status in “upstart” source package in Precise:
  Invalid

Bug description:
  Shutting down the computer using the menue does not work always correct. It often does not complete turn off the computer. The power LED and the LED of the bluetooth unit remain on. Also the fan is still running and won't stop. 
  Shutting down the computer with "sudo shutdown -h now" using the terminal works fine.

  I am using a Dell Inspiron 1720.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: indicator-session 0.3.96-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: i386
  Date: Mon Apr 23 12:26:10 2012
  ExecutablePath: /usr/lib/indicator-session/gtk-logout-helper
  InstallationMedia: Kubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.2)
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
  SourcePackage: indicator-session
  UpgradeStatus: Upgraded to precise on 2012-04-21 (1 days ago)
  --- 
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: i386
  DistroRelease: Ubuntu 12.04
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  NonfreeKernelModules: nvidia
  Package: upstart
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic-pae 3.2.14
  Tags:  precise
  Uname: Linux 3.2.0-24-generic-pae i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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