Thanks for this, yours and others' posts helped me get mine working.
I'm mining LBRY and one thing that I found with suprnova is that the -dwal setting needed to be [usernameforsite].[workername] (without sq brackets) and -dpsw needed to [workerpassword]

Hope this helps someone else.
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What kind of hashrates did you get out of this?  I was mining Eth at 30mh per card but when I switched to dual mining LBC, I was getting 23 Eth and a pretty low Library hashrate(40 i think).
I didnt go back to try a -DCRI setting but it doesnt seem like would work given that they are both low already.
thx