I also think that fglrx could be the reason. (fglrx is the proprietary driver from ATI, right?) I removed the driver and I had no problem with the shutdown. But as soon as I installed it again, I wasn't able to shut down again.
But I only started / shut down the laptop about 5 times without fxglr, as I usually use my desktop and also not using fglrx works not very well for me as: 1.) fan runs a lot more 2.) battery runs a lot less longer 3.) I can't switch users -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/987220 Title: no complete shutdown Status in The Session Menu: New Status in “gnome-session” package in Ubuntu: Confirmed Status in “indicator-session” package in Ubuntu: Confirmed Status in “linux” package in Ubuntu: Confirmed Status in “upstart” package in Ubuntu: Confirmed 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 To manage notifications about this bug go to: https://bugs.launchpad.net/indicator-session/+bug/987220/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp