People looking for a temporary workaround can try this: Add GRUB_CMDLINE_LINUX="nomodeset acpi_backlight=vendor" in /etc/default/grub and run update-grub.
-- xrandr backlight property control missing (when using KMS?) https://bugs.launchpad.net/bugs/428054 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
