I found a way to prevent the kernel from setting the brightness: "acpi=off" boot option, but that is not what you want to do an a laptop :-)
-- [gm45] Adjusting Brightness in Acer Aspire Timelines causes system freeze in 4810T and 5810T models https://bugs.launchpad.net/bugs/446717 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