JACK unplugged, async error

Having trouble with JACK stopping. Here’s a pastebin, trying to work around being spam blocked.

http://pastebin.com/F12Aqm9H

I think I might have solved it. I changed the frames/period from 256 to 128 and it’s been running uninterrupted for a couple of hours. Also cut the latency from 8 to 4. Not important to the setup in this room, but I’ll take it.