I have problem with card AMD too
lolminer 0.9.7
Miner card #0 is not working... Working 10-15 minute and fall
I have 4 cards AMD RX588 hynix memory (PowerColor Red Dragon), win10 x64 and 1.9.1.2 drivers (but i have this problem 1.8.6.1 too)
GRIN-C32 hashing with 0.6 g/s on NiceHash