https://nagg.eu/tags/gpu-passthrough/Recent content in GPU Passthrough on nagg.euHugoenSat, 26 Jan 2019 01:00:00 +0000https://nagg.eu/qemu-kvm-pci-passthrough/Sat, 26 Jan 2019 01:00:00 +0000https://nagg.eu/qemu-kvm-pci-passthrough/<p>PCI passthrough is the process of attaching a PCI-E device directly to a VM; CPU support (namely VT-D for Intel and AMD-V for AMD) and motherboard support (IOMMU) are required for PCI passthrough to work properly.<br> Hardware configuration used:</p> <pre tabindex="0"><code> AMD Ryzen 1700x Gigabyte X370 K7 Nvidia Geforce GTX260 32 GiB of RAM and a few HDDs Fedora 29 as host OS </code></pre><p>The system only has a single graphic card because it is normally used as headless compute server for which a GPU is not really required; the graphic card is also very very old Nvidia Geforce GTX260 with a standard non UEFI BIOS.<br> If using an UEFI enabled graphic card it is probably required to install the OS in UEFI mode using a virtual UEFI BIOS.<br> This guide assumes you already have a working Windows virtual machine and are familiar with libvirt.<br> First of all, edit GRUB to enable IOMMU and blacklist nouveau kernel module so that the graphic card is not picked up anymore by the host:</p>