Howto gpu passthrough
/etc/default/grub For Intel:
GRUB_CMDLINE_LINUX_DEFAULT="quiet ... intel_iommu=on"
For AMD:
GRUB_CMDLINE_LINUX_DEFAULT="quiet ... amd_iommu=on"
/etc/default/grub For Intel:
GRUB_CMDLINE_LINUX_DEFAULT="quiet ... intel_iommu=on"
For AMD:
GRUB_CMDLINE_LINUX_DEFAULT="quiet ... amd_iommu=on"