[Fedora-xen] Re: [fedora-virt] Re: Dom0 kernels

[Daniel P. Berrange]

On Mon, Mar 09, 2009 at 11:20:26AM +0200, Pasi K?rkk?inen wrote:
> On Mon, Mar 09, 2009 at 08:27:14AM +0100, Gerd Hoffmann wrote:
> > Pasi Kärkkäinen wrote:
> > > 
> > > I rebuilt 3.3.1-9 on fc10, and it seems to work.
> > > 
> > > But virt-install (and virt-manager) seem to have problems.. 
> > > 
> > > # virt-install <options>
> > > 
> > > ERROR    Unsupported virtualization type 'xen'
> > > 
> > > Was xen support removed from virt-install, or does it just fail to detect
> > > xen is available when using pv_ops dom0? 
> > 
> > Either that, or the xen is a bit out-of-date because Fedora had no dom0
> > kernel (thus no testing) since Fedora 8 ...
> > 
> > I'd suggest to file bugs.  Most likely the culprit is libvirt.
> > 
> 
> Actually we hunted this down with Cole Robinson and Jeremy..
> 
> The reason is pv_ops dom0 kernel is still missing /sys/hypervisor infos..
> virt-install (or libvirt) needs that info to fetch the capabilities.

We could probably switch over to making a hypercall to fetch that info
if /sys/hypervisor/properties/capabilities isn't going to reappear in
the near future ...


Daniel
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