[libvirt] [PATCH] Fix vnc port determining for xend

Daniel P. Berrange berrange at redhat.com
Thu Sep 4 09:44:31 UTC 2008

On Thu, Sep 04, 2008 at 07:51:51AM +0200, Daniel Veillard wrote:
> On Thu, Aug 28, 2008 at 04:48:06PM -0400, Cole Robinson wrote:
> > Current libvirt checks xenstore for a xen guests
> > fixed vnc port on xend > 3.0.3. At least on f8
> > though, hvm guests don't store the vnc port in
> > xenstore, it is stored in the sexpr.
> > 
> > Patch fixes the logic to look in the sexpr if
> > the xenstore lookup appears to fail. This fixes
> > setting static vnc ports for f8 xen hvm guests.
>   Sounds fine to me though I winder if it's not better
> to check on the given SExpr first and then do a Xenstore
> lookup only if needed. Seems to me a more generally coherent
> approach, any expected drawback to this ?

Historically XenD only ever put the VNC port in xenstore. Including it
in the SEXPR is something new in 3.2.0 IIRC. 

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