Jack O'Quin wrote:
> I'm wondering now if the lack of priority support in the two
> prototypes might explain the problems I'm seeing.

Distinctly possible since my results got better with priority support. 
However I'm still bugfixing what I've got. Just as a data point here is 
an incremental patch for testing which applies to mm2. This survives
a jackd test run at my end but is not ready for inclusion yet.

Cheers,
Con