Re: [Xen-users] PCI passthrough

[Lawrence Ing <larry.xen@xxxxxxxx>]

My mistake was simply putting xen-pciback.hide on the hypervisor line
and not the dom0 kernel line.

On Mon, 2011-08-08 at 17:08 -0700, Lawrence Ing wrote:
> I have a USB controller I wish to pass to a HVM guest.  More
> specifically a WindowsXP HVM guest if that matters.  I have iommu=1 on
> the hypervisor line in grub.cfg as well as xen-pciback.hide=(00:12.2).
> In the VMs config file I have the following:
> 
> pci= ['00:12.2']
> 
> Whenever the VM is started it gives the following error:
> 
> libxl: error: libxl_pci.c:794:libxl__device_pci_add PCI device 0:0:12.2 is 
> not assignable
> 
> My CPU(Opteron 6128) is iommu capable.  I am using kernel 2.6.32.43 from 
> jeremy's
> source with pciback compiled into the kernel.  What am I not doing that sets 
> 00:12.2 as
> an assignable device?
> 
> 
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