Edit your GRUB configuration ( /etc/default/grub ) and add intel_iommu=on or amd_iommu=on to the kernel parameters.
How far along are you in your setup—have you already in the host OS, or are you still selecting hardware ? osx-kvm-gpu-passthrough
Success starts with your hardware. macOS has very strict driver support compared to Windows or Linux. This is the most critical factor. AMD (Recommended): Edit your GRUB configuration ( /etc/default/grub ) and
The most reliable way to build the VM base is using the OSX-KVM project on GitHub . osx-kvm-gpu-passthrough