Hi,

I'm mining ETH only (claymore-eth-v9.4) at the moment.
When I try to mine in dual mode, the hashrate drops in a strange way.

I use these settings:
-wd 1 -r 1 -epool stratum+tcp://eth-eu.dwarfpool.com:8008 -ewal $walletETH/$rigName -esm 0 -epsw x -allpools 1 -mport -3333 -dpool stratum+tcp://dcr.suprnova.cc:3252 -dwal name.rigname -dpsw x

Rig 1: 4x RX470 (same cards) Asus STRIX-RX470-4G-GAMING
Rig 2: 6x RX480 (2 flavors of cards)

ETH only hashrates:
Rig 1: 107MH/s
Rig 2: 170MH/s

When I use ETH+DCR:
Rig 1: 50 to 60MH/s (18+18+9+13) and 1100MH/s
Rig 2: 160MH/s and 4750MH/s

So, rig 2 is stable, but rig 1 does strange things!!!
How to fix this?
Themps are all below 65°C

regards,
Eric