# 4090直通 ```bash lspci -nn | grep NVIDIA 10de:2684,10de:22ba echo "vfio vfio_iommu_type1 vfio_virqfd vfio_pci ids=10de:2684,10de:22ba" >> /etc/initramfs-tools/modules echo "options vfio-pci ids=10de:2684,10de:22ba" > /etc/modprobe.d/vfio.conf echo "options kvm ignore_msrs=1" > /etc/modprobe.d/kvm.conf echo "blacklist nouveau" > /etc/modprobe.d/blacklist-nvidia.conf echo "blacklist nvidiafb" >> /etc/modprobe.d/blacklist-nvidia.conf sed -ri "/^GRUB_CMDLINE_LINUX_DEFAULT=/ s/\"$/ intel_iommu=on vfio-pci.ids=10de:2684,10de:22ba\"/" /etc/default/grub update-initramfs -u update-grub reboot -h now ```