New problem with sound and Jack after reboot

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http://ubuntuforums.org – Got everything working fine earlier today and gave myself and the computer a break. After turning back on and starting Jack I get the following error: d-bus: setparametervalue('driver:inchannels','2'): Parameter value type mismatch: was expecting 'i', got 'u'. (org.jackaudio.error.invalidargs) I also noticed that I wasn't able to hear input while playing back output in Ardour. I thought I had fixed this by selecting PCM Out for IEC958 and Digital Mixer for the H/W in the ALSA mixer utility. This allowed me full duplex operation with my M-Audio Delta 2496 soundcard when Digital Mix (Hardware)