Enable vfio on arch linux11/29/2023 applying certain patches) to get a compatible passthrough. I have found that generally, problems are not inherent to the hardware but more a matter of adjusting you software stack (i.e. However, success has been had on both sides on a variety of device models dating back several years. Audio: Onboard (Intel C220 HD audio) and AMD R9 270X HDMIĪnecdotal evidence suggests that for graphics passthrough, nVidia cards seem to fare better than AMD ones.Personally, the following hardware has worked wonderfully for me: If you are purchasing hardware, it is also strongly recommended that you read over the KVM VGA-passthrough thread on Arch Forums to confirm that your intended hardware configuration has been reported to work by another user. Likely, until Fedora 21 is released you will need to patch and rebuild both the Linux kernel and QEMU instructions for doing so will be provided in this tutorial. While myself and many others have had tremendous success, different hardware can produce different results and getting there may not always be straightforward. That said, VFIO it is relatively new and experimental technology for the purposes of passing through entire VGA cards to virtual machines. QEMU's normal PCI passthrough leaves much to be desired whereas VFIO takes full advantage of IOMMU, has better device support and prevents multiple access to the same device (you can read more about it in Alex Williamson's presentation here). QEMU has several PCI passthrough techniques, the newest of which is VFIO. Configure CPU pinning on the VM for better gaming performance.Create and configure a new virtual machine (VM) with real hardware attached to it.Patch the kernel and QEMU for better compatibility with graphics card / VGA VFIO passthrough.Install and configure the KVM hypervisor.This how-to will show you how to configure:
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