It affects me too... anyway brightness/ACPI stopped working even before jaunty, from 2.6.27-11 generic release. (see bug #356992: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/356992).
It affects me too... anyway brightness/ACPI stopped working even before jaunty, from 2.6.27-11 generic release. /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/356992).
(see bug #356992: https:/