Paul Davis wrote: > go to the qjackctl setup dialog and make sure that the command to start > jack is "jackd" and not "jackstart". "jackstart" is purely for 2.4- > kernel based systems and should not be used on a 2.6-kernel based > system. Thanks for the prompt reply, but it's set to "jackd" already. It was working fine until a couple of weeks ago, when this started to happen. I would have posted sooner, but I've been pretty busy. Thanks Michael