Re: [Xen-devel] Xen 4.2.0, xl toolstack cant launch older domUs

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Oct 03, 2012 at 05:35:50PM +0100, Ian Campbell wrote:
> On Wed, 2012-10-03 at 16:39 +0100, Valtteri Kiviniemi wrote:
> > Hypervisor is 64bit, dom0 is 64bit but the domU is 32bit. If this is
> > what you meant?
> 
> It is.
> 
> I think the underlying bug here is that your 32bit domU kernel predates
> the ability to run 32 bit guests on 64 bit hypervisors. Guest kernels
> are supposed to write that protocol node themselves.
> 
> It appears that xend includes some sort of workaround for this which xl
> does not.
> 

So from a user's point-of-view this is a regression in xl..
similar workaround probably should be added in xl to be able to run old guests? 

-- Pasi


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