@pastrychef, so I guess you do not have the same issue as me and @EpicNUFO? If so, mind sharing your config file and also smbios, kexts and other settings you used? FYI, I switched from GTX1080ti to Raedon VII, so I used iMacPro1,1 with Lilu & WhateverGreen, iGPU disabled for it to work.