dear anders why do you mean "Is it confirmed that the power down hang problem is caused by the nvidia driver." as you wrote? If you take a look at this discussion you can see, not only nvidia systems are affcected. I see the same behavior on MSI H61M-P30 (B3) with Sandybridge Desktop (GT1).
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/987220 Title: System does not power off reliably when "Shut Down" chosen from GUI To manage notifications about this bug go to: https://bugs.launchpad.net/indicator-session/+bug/987220/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs