I have the same issue with a Lenovo S10e (GPU i945gm). When the power manager blank the screen the backlight remains on. On the other hand running "xset dpms force off" the backlight go off.
-- [i965gm] lcd backlight never stays off https://bugs.launchpad.net/bugs/423532 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. _______________________________________________ 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