I choose HighSierraAMD (USB) to boot from and the process starts fine.
But as soon as the kernel starts loading, I get a bunch of "Invalid kernel opcode (64 bit)..." errors repeatedly.
Is there some compatibility problem with my CPU (FX-6300)?
cpu: AMD FX 6300
Graphics card: AMD HD 6770 1GB
USB 3.0 built-in controller ETRON EJ168 (not functional)
USB 3.0 discrete PCIe controller
OS's: macOS 10.12.6 SierraAMD (256GB SSD), macOS 10.12.6 SierraAMD clone (256GB partition HDD), OS X 10.10.x Yosemite (external bootable USB 3.0 HDD), Win 10 64bit (256GB SSD), Win 7 64bit (500GB partition HDD).