Ok thank you. I just got this RX 580 in today, the XFX 580 GTR black edition.

After a few minutes i get the error "GPU 0 hangs in OpenCL call, exit"
In which miner then attempts to restart but doesnt.

I think, ok maybe i need to bump up the virtual memory size from 16,000 to 32,000.
Still doesn't work. Same "GPU 0 hangs in OpenCL call, exit" repeats.

So what i did then was take out the 2 RX 480's to see if it will mine on just the RX 580 which it ran fine.

What do you suppose the issue could be?

EDIT 1:Also noticed this in red on the miner just now: GPU #0 returned incorrect data! 208533

EDIT2: downclocked GPU0(RX 580 btw) to 1385, ran for longer. Then GPU1 hung up and  "GPU 1 hangs in OpenCL call, exit" occurs.