Saw some bugs reported by debian devs, testing to see if xrandr has anything to do with this problem. Here's the output of xrandr --props on Gutsy, with xbacklight working properly.
** Attachment added: "xrandr-i965-gutsy.log" http://launchpadlibrarian.net/12253117/xrandr-i965-gutsy.log -- xbacklight not working in hardy, intel GM965 https://bugs.launchpad.net/bugs/176888 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs