I found this problem is still being present in the beta of Interpid. I got around it by disabling all backlight control by the gnome-power- management.
-- screen brightness oscillates slowly https://bugs.launchpad.net/bugs/258920 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
