The problem is in the kernel 2.6.27-10 works correctly even in new gnome-power-manager, you were definitely right
** Changed in: gnome-power-manager (Ubuntu) Status: New => Invalid ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- 2.6.27-11 makes brightness not work https://bugs.launchpad.net/bugs/315922 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs