> > Is it possible to update kernel and hypervisor on
> > opensolaris dom0 to xen 3.2.1?
>
> No. Current dom0 bits are intended to be used with
> 3.1.x hypervisors (only).
>
>
> > I tried replacing just the hypervisor on an
> up-to-date opensolaris
> > 2008.05 (snv_91), it failed.
>
> Yep. Should panic during boot, because a dom0 /
> 3.1.x hypervisor
> interface is needed, and the 3.2.x hypervisor
> interface is slightly
> incompatible.
>
>
> > Does it require the same workaround as when using
> > opensolaris as domU on a xen-3.2 dom0?
>
> No, the dom0 / hypervisor interface has changed in
> incompatible
> ways.
>
> domU / hypervisor interface is less critical, and it
> should be
> possible to run domUs on xen 3.0, 3.1, 3.2 or xen
> unstable(3.3)
> hypervisors. But even that breaks from time to time,
> e.g.
> see bug 6650717 (snv_86 or older domU doesn't work on
> a
> 3.2 hypervisor).
Nevada DomUs (builds <=84,i.e. 3.0.4) ran at Xen 3.2 Linux Dom0
Workaround required only by 85 and 86 . Builds have already Xen 3.1.2 ,
but not patched.
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