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

[F. Aly]

BUG: unable to handle kernel paging request at ffffc9000253c00
IP: [<ffffffffa0682ef4>] firegl_sig_notifier+0x4/0x40 [fglrx]
PGD lib41a067 PUD lib41b067 PMD 1150f4067 PTE 0
Oops: 0000 [#2] SMP
CPU 1
Modules linked in: fglrx(P) dm_crypt joydev rfcomm  bnep bluetooth (...)

[last unloaded: fglrx]

(...)

Watchdog detected hard LOCKUP on cpu 1
---
This is what I see when shutting down. Seems to me like a kernel bug in properly unloading the proprietary grafic drivers.

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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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