Re: [Xen-devel] Spice as alternative to vnc also on pv domU

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Mon, 29 Apr 2013, George Dunlap wrote:
> On Fri, Apr 26, 2013 at 3:04 PM, Fabio Fantoni <fantonifabio@xxxxxxxxxx> 
> wrote:
> > I'm using Spice on my xen test system since end of 2011.
> > Spice is better than vnc for use on maintenance tasks and better than
> > nx/x2go/rdp installed on domU (even better when used with vdagent and usb
> > redirection).
> >
> > That should be possibile because also pv use qemu for vnc but I don't
> > unsterstand exactly how to implement it.
> > Is anybody out there interested in this task or already done it?
> 
> Upon further reflection though -- it seems like the best thing to do
> would be just to install spice servers in your PV guest.

And apparently it even exists!
The spice server used to be part of QEMU/KVM and not available
separately, but looking at http://spice-space.org/download.html, now
they have an "Xspice" server that probably does exactly what you need.

Otherwise implementing spice for PV guests could be non-trivial: spice
relies on a virtual graphic card called QXL, similar to a virtio device.
Typically Virtio devices work over PCI (even though other transport
mechanisms exist), and PV guests don't even have a PCI bus.

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