I am meditating on the OAF, and had it running and calculating things. I had the outputs disabled so I could take reference traces in DTT, but the Adapt block was calculating for MCL. At some point, all the numbers froze, and the CPU meter had gone up to ~256ms. Usually it's around ~70 or so for the configuration I had (2 witness sensors and one degree of freedom enabled....no c-code calculations on any other signals). The "alive" heartbeat was also frozen.
I ssh'ed into c1lsc, ran ./startc1oaf in the scripts directory, and it came back just fine.
Anyhow, I don't know why it got funny, but I wanted to record the event for posterity. I'm back to OAFing now.