Re: [Xen-devel] Xen 3.1 - migration fail / save/restore of PV guests too

[Sébastien Riccio <sr@xxxxxxxxxxxxxxx>]

Hi,

Okay I see :) I will meanwhile play with 64bit domU migrations then.

Thanks a lot for your answer.

Sébastien

Keir Fraser a écrit :
> On 26/5/07 16:57, "Sébastien Riccio" <sr@xxxxxxxxxxxxxxx> wrote:
>
>   
> > I'm currently playing with Xen 3.1 live migration and save/restore features.
> > I tried to migrate and save/restore a 32p domain on a 64 host and both
> > fails.
> >     
> Because of different layouts and sizes of certain structures for 32-bit
> versus 64-bit guests, save/restore/migrate currently only works where the
> domU is the same 'bitness' as your dom0. This restriction does not apply to
> HVM domUs, only PV domUs. We hope to lift the restriction for Xen 3.1.1.
>
> 32-on-64 is one of the 'harder' new features in 3.1.0, so it will take a
> little while to beat out the last few bugs and feature regressions!
>
>  -- Keir
>
>
>
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