I have an AIDA64 Extreme error after AMD Crimson ReLive 17.5.2, and there is still no AMD Crimson ReLive 17.9.3, GPU usage is locked at 16%, see a photo.
Note: I use a Gigabyte RX 570 G1 Gaming 4GB, and it looks like the error is on the entire RX 500 line from AMD.