Jan Holst Jensen <jhje00@xxxxxxxxx> writes: > starts up, but > > jackd --realtime --unlock -d alsa > > or > > jackd --realtime -u -d alsa > > says "unknown option character" and jackd outputs a > usage message where both "-u" and "--unlock" are shown > as examples. Huh ?! Is my jackd broken ? I installed > it through apt-get on my Debian Sarge. Version says > 0.99.0. I recall a bug in that option a while back, but don't remember exactly when it was fixed. Maybe after 0.99.0. Try using the -m (--no-mlock) option. -- joq