Re: [Xen-devel] Xen 4.2.1 live migration with qemu device model

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2012-12-11 at 15:07 +0000, Alex Bligh wrote:
> > Migration of HVM guests in 4.2.x is only supported with the
> > qemu-xen-traditional device model and AFAIK there is no plan to backport
> > this support to 4.2.
> 
> Ah. What would be involved in a backport? We use HVM guests under 4.2 and
> need qemu-xen for various reasons.

AFAIK its a pretty big qemu-side backport, plus you need the whole libxl
series not just the final patch that you linked to.

I don't think this is a candidate for 4.2.x. You could try doing it
locally though I guess.

> > It still shouldn't crash though. I'm not sure how it got this far since
> > libxl on 4.2 explicitly checks the DM version before attempting to
> > migrate and will refuse to even try with a qemu-xen DM.
> 
> We had removed the check (per the pointer to the mail message I sent)
> for the qemu-xen model.

Oh well, then all bets are off really.

Ian.


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel