Generally these types of issues should be analyzed as gnome-power- manager issues first, then driver issues if g-p-m can be ruled out.
It's possible g-p-m is simply not tracking your backlight settings correctly, or not updating them properly on reboot. ** Package changed: xserver-xorg-video-intel (Ubuntu) => gnome-power- manager (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in Ubuntu. https://bugs.launchpad.net/bugs/915188 Title: LCD backlight level is reset to maximum after a reboot. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/915188/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs