On 2012-01-24 12:03, Hartmut Noack wrote: > That is crystal clear to me, yet I get xruns even at startup when > nothing is loaded to produce anything... In my experience, jackd1 works better with pd than jackd2. Also, I'd say getting xruns at startup is normal. Running pd at 64 f/p is no problem with a low latency capable kernel.