I find nvidia optimus also can`t be poweroff. Note only when "lspci | grep VGA" return (rev ff) means nvidia card has been shutdown. This problem may come from Debian , most of(may be all of) Debian based distribution have this problem. Fedora and Arch with bumblebee work fine on my laptop.
** Also affects: nvidia-graphics-drivers (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/1851051 Title: bumblebee/bumblebee-nvidia`s config file (/etc/bumblebee/bumblebee.conf) not correct To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bumblebee/+bug/1851051/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp