Re: [Xen-devel] [PATCH v5] libxl: add basic spice support for pv domUs

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

Il 16/05/2014 15:56, Ian Campbell ha scritto:
> On Fri, 2014-05-16 at 15:41 +0200, Fabio Fantoni wrote:
> > Il 16/05/2014 14:47, Ian Campbell ha scritto:
> > > On Fri, 2014-05-16 at 14:37 +0200, Fabio Fantoni wrote:
> > > > This patch adds basic spice support for pv domUs.
> > > > The qemu parameters are the same as the hvm ones and they works.
> > > > Therefore xl cfg parameters are the same as the hvm ones except that
> > > > features not supported yet by pv domUs (vdagent and usbredirection)
> > > > are kept disabled by default.
> > > > It also enables vfb and vkb required to have basic spice working.
> > > Based on your response in <53722538.80106@xxxxxxx> I'm not sure if this
> > > an accurate description of what you are doing here. AFAICT what you are
> > > actually doing is enabling SPICE as a backend for the PVFB device, as an
> > > alternative to VNC and SDL. Is that correct or not?
> > Yes,
> In that case then these spice settings should be part of
> libxl_device_vfb, like the vnc ones are and they should configurable in
> xl configuration files as:
>
>         vfb = [ 'spice=1,spiceport=NNN' ]
>
> There should be no need to move the HVM spice parameters to the top
> level of the domain configuration. I'm afraid my previous advice was
> based on an incorrect understanding of what you were implementing
> (derived from the commit message not being clear about what was actually
> going on).
>
> > The only 2 main problem reimained with spice I think that are qxl not
> > working on linux domUs(xen related)
> Given the lack of clarity shown so far about what this existing patch is
> actually doing doing I'm a little concerned about how QXL is going to
> fit into the model in the future.
>
> Ian.
About libxl patch for QXL support is still the same except the refresh 
with new xen-unstable.
My latest test is based on this source that include all my latest patches:
https://github.com/Fantu/Xen/commits/rebase/m2r-next
I'll repost it with updated and full noted in description.
Regarging qxl problem on xen linux domUs I didn't found other useful 
details to solve the problem and I not have sufficient time now for 
advanced debug.
Thanks for any reply and sorry for my bad english.


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