qubes-doc/building/pvusb.md

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---
layout: doc
title: PVUSB
permalink: /doc/pvusb/
---
USB Pass through: USBVM
-----------------------
**WARNING:** This is experimental and very broken.
Source: [https://groups.google.com/d/msg/qubes-devel/4AKulABh2Jc/\_R7SRSC4peYJ](https://groups.google.com/d/msg/qubes-devel/4AKulABh2Jc/_R7SRSC4peYJ)
You'll need the patch tagged abb\_e58b432 from [git://github.com/grwl/qubes-core.git](git://github.com/grwl/qubes-core.git).
The rest is in RPMs, yes. I roughly follow this procedure to have pvusb on Qubes 1.0:
- rebuild kernel, core, and xen from marmarek's repo (devel-3.4 branch for kernel),
- make dedicated usbvm domain, passthrough USB controller PCI devices there
- in usbvm: "rpm -Uhv qubes-core-vm-2.1.1-1.fc17.x86\_64.rpm xen-libs-2000:4.1.3-18.fc17.x86\_64.rpm xen-qubes-vm-essentials-2000:4.1.3-18.fc17.x86\_64.rpm"
- in appvm where you want to attach the device to: "rpm -Uhv qubes-core-vm-2.1.1-1.fc17.x86\_64.rpm"
- in dom0 I think the following packages need to be updated, don't have exact list now.qubes-core-dom0 is actually important, the rest are dependencies:
> kernel-qubes-vm-3.4.18-1.pvops.qubes.x86\_64.rpm
> qubes-core-dom0-2.1.1-1.fc13.x86\_64.rpm
> xen-4.1.3-18.fc13.x86\_64.rpm
> xen-hvm-4.1.3gui2.0.9-18.fc13.x86\_64.rpm
> xen-hypervisor-4.1.3-18.fc13.x86\_64.rpm
> xen-libs-4.1.3-18.fc13.x86\_64.rpm
> xen-licenses-4.1.3-18.fc13.x86\_64.rpm
> xen-runtime-4.1.3-18.fc13.x86\_64.rpm
- plug or replug some USB device -- it will be picked up by usbvm, and in dom0 it will appear in the output of qvm-usb