Re: [Xen-devel] Re: Audio Controller Passthrough to Windows HVM Guest

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Oct 22, 2009 at 10:10:48PM +0800, Mr. Teo En Ming (Zhang Enming) wrote:
> Seems to be roughly equivalent between pci-stub and pciback.
> 
> Wonders if there is any limitation with pci-stub.

For HVM, there is none.

It would be helpful if you could get more data in the guest then just
the 'disabled device', but I am quite ignorant of Windows XP and how to
do that there.

Perhaps you can install FC11 as your HVM guest and see what kind of
warnings/errors it shows up when you pass-through your audio + USB?

.. snip ..
> > I am not familiar with pci-stub, but with pciback this is what you

The same thing.

> > would do:
> >
> > rmmod snd_hda_intel
> > echo -n "0000:00:1b.0" > /sys/bus/pci/devices/0000:00:1b.0/driver/unbind
> > echo -n "0000:00:1b.0" > /sys/bus/pci/drivers/pciback/new_slot
> > echo -n "0000:00:1b.0" > /sys/bus/pci/drivers/pciback/bind
> >
> >
> >
> >
> 
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