Atte André Jensen wrote:
<snip>
10:34:55.956 JACK is starting...
10:34:55.957 /usr/bin/jackd -R -P80 -m -dfirewire -dplughw:0 -r48000
-p256 -n3
10:34:55.960 JACK was started with PID=7798.
jackd: unknown driver 'firewire'
10:34:55.966 JACK was stopped with exit status=1.
<snip>
i would guess that you are using a self-compiled version of jack, and
you compiled it *before* you installed the ffado-devel package, hence,
no ffado support was built.