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

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Sun, 2012-10-14 at 12:03 +0100, Pasi Kärkkäinen wrote:
> 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? 

I don't know when I'm going to have time to look into this. Patches
gratefully received.

Ian.


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