I am running netjack(2) 1.9.11 on an odroid-c1, ubuntu disrto. It works well if I don't push the latency. I can run for hours with no xruns if I leave the buffer size large. But if I get even 1 xrun (happens immediately if I lower the latency much), the entire system locks up. Display stops responding at all, mouse not moving and cannot connect via ssh. I need to physically remove power to get it back up. I suspect it is an os problem but not sure. Are there any known problems with jack that could cause this?