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

[Vova U]

Hey Photon
if you are right, starting the system without X will solve this problem. Looks like an interesting ideal! I'll try this tomorrow.
We discussing probably several issues with similar behaviour. Is it one bug or several is only a question of definition. One thing is definitely known, after the update from10.04 to 12.04 several systems don't power off any more. It's not known which kind of systems is affected. From 5 PCs with 12.04 near me only one system is affect, one of these PCs uses nvidia proprietary graphics driver and it is *NOT* affected. Another one has a nvidia graphics with nouveau driver. I tested this by install and uninstall of proprietary graphics driver and can't reproduce this issue. Two Lenovo laptops are not affected, no nvidia graphics. One of this laptops has similar graphics as the affected PC. But why this PC can't shutdown? Probably damages nvidia driver something in ACPI or making something else what can cause this issue, but it can't be a root cause. We probably need to collect more information about affected systems. Then we hopefully know how to reproduce this issue.

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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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