Thank you Mr. Harrington, it's completely resolved the problem for me. xset dpms force off and setting suspend in kubuntu (System Settings->display->Power Control) works as expected.
-- dpms does not switch off backlight on laptop screen https://bugs.launchpad.net/bugs/363059 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to fglrx-installer 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
