Disable Kernel Mode Setting by adding the following kernel boot parameter:-
You may also want to add the following kernel boot parameter as well if you want to see the animated Plymouth startup screen:-
EDIT: Just for some background here's a bug report on bugs.freedesktop.org bug 20963
, and two regarding the NC10 and backlight control on the Redhat Bugzilla which are bug 496975
and bug 502516
It appears that you can control the backlight without disabling KMS by running:-
setpci -s 00:02.1 F4.B=XX
where XX ranges from 00 to FF. Though I haven't tried it myself as I don't have Fedora on my NC10 at the moment.
EDIT: Tried the setpci method and it works fine on my NC10, this is without any other changes.