A workaround for rigs with mixed cards (Polaris and old cards): start two miners with "-di" option, one for Polaris cards and second for other cards. Use "-mport 0" option to disable port for remote management and avoid red message in second miner.
I will fix it soon.
You should also fix the issue I mentioned a few weeks back.
-di does not work properly:
when I write
-di 1,2,3 instead of 3 devices
I get 0,1,2,3 or 4 cards running!!!