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[Xen-users] pci passthrough and usb add on card

  • To: <xen-users@xxxxxxxxxxxxx>
  • From: Christoph Kaminski <mangel@xxxxxx>
  • Date: Mon, 23 Apr 2012 21:10:40 +0200
  • Delivery-date: Mon, 23 Apr 2012 19:12:00 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

Hi all

I have a pci usb addon card and want to use it with pci passthrough. In centos 3.2.x kernel are the usb modules compiled in into the kernel. If I load the xen-pciback module with initramfs (build with dracut) then it is to late, because the usb part of the kernel has "grabbed" it already. How can I exclude a pci device for usb modules? I dont want to disable completly usb support because I want to use the onboard usb controller in dom0. Does someone know a solution for this problem? (except kernel recompile with usb as module)


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