http://askubuntu.com/questions/109681/which-process-is-using-nvidia-module
I've got bumblebee 3.0 installed, I started chromium-browser with optirun and although I have closed chromium off, the card is still on. How can I know which process is using nvidia module that prevents the card from switching off? root@magneto:/# cat /proc/acpi/bbswitch 0000:01:00.0 ON root@magneto:/# root@magneto:/# tee /proc/acpi/bbswitch <<<OFF OFF root@magneto:/# cat /proc/acpi/bbswitch 0000:01:00.0 ON root@magneto:/# dmesg |tail -1 [92040.608982] bbswitch: device 0000:01:00.0 is in use by driver 'nvidia', refusing OFF root@magneto:/# _______________________________________________ Mailing list: https://launchpad.net/~hybrid-graphics-linux Post to : hybrid-graphics-linux@lists.launchpad.net Unsubscribe : https://launchpad.net/~hybrid-graphics-linux More help : https://help.launchpad.net/ListHelp
