I currently use my desktop with an AMD FX 8350 CPU and GIGABYTE 990FXA-UD3 motherboard (also running Debian 9.1 and kernel 4.12) to run a VM with a GTX 1070 and USB controller passed through for mining Ethereum, occasionally playing games, and running the Adobe CC software suite. This tutorial applies to all machines even ones using different hardware and operating systems. The system I will be using for this tutorial is a Lenovo Thinkpad T420s running Debian 9.1 and Linux kernel 4.12. With this method you can have multiple devices in the same system which use the same kernel module, you could even have two identical devices (like two of the same GPU) and keep one for the host and pass one into the VM. For example, if you have multiple devices that use the same kernel module, blacklisting it would prevent all of the devices in the system from using the kernel module. QEMU SYSTEM X86 64 PCI DRIVERThis guide will show how this can be done with out blacklisting the kernel module driver of the device you want to pass through. By default, Along with x86 PC, QEMU can emulate PowerPC, MIPS64, ARM. You may want to do this for many reasons, a USB controller so anything plugged into that controller's USB ports are connected to the VM, a SATA controller for booting or controlling drives directly, a network card, sounds card, or even a graphics card for high performance graphics acceleration inside the VM. Depending on the guest operating system, you might need to start the installation. When running a QEMU virtual machine (VM) on a Linux based operating system, we have the ability to dedicate PCIe devices to VMs using the vfio-pci kernel module so that the VM can control them directly.
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