It's occurring on the Broker run() main catch() for MasterFrozenException thrown by handleIncomingDelivery() "failed to delivermessage w/ 10 second time out."
I'm specifically trying to find a renderfarm that works with large (multi-GB) blends due to my use of smoke. When running Loki I'm getting a MasterFrozenException but I can't tell where from, even when looking at the raw code. I'm going to add some comments in to see if I can figure out what's causing it, but if anyone else has had this problem and knows a fix, please let me know!