I am dual mining under linux without any problem, however I faced a couple of time a strange behavior. When my decred pool is down or a connectivity issue is present the entire miner stop mining, my rig is up and accessible via ssh but the miner stop hashing on both coins, this is a "by design" behavior or is there any option I missed that allow the to keep mining ETH and do nothing with decred meantime the connectivity issue persist?

Thanks for your inputs.