Hello, I have the same problem. Sometimes a watchdog is activated. OpenCl problem. how did you solve the problem? I have the RX 580 blue edition. SW Claymore 10.2 Drive AMD Blockchain beta summer 2017
Thanks
I made the settings by and flash bios
http://1stminingrig.com/best-bios-rom-for-sapphire-rx-580-8gb-special-edition-hynix-memory-31-mhs/My setting
EthDcrMiner64.exe -epool eu1.ethermine.org:4444 -ewal adress.name -epsw x -tt 65 -fanmin 100 -fanmax 100 -cclock 1100 -mclock 2100 -cvddc 850 -mvddc 850 -dcri 8/12
Increase the power a bit. -cvddc 900 -mvddc 900 did the trick for me. You can start working down (OV) from there