Re: [Qemu-devel] [Qemu-ppc] [PATCH v2 0/5] rework the ICS classes inheritance tree

[David Gibson]

On Wed, Jun 27, 2018 at 08:34:22AM +0200, Cédric Le Goater wrote:
> On 06/27/2018 02:14 AM, David Gibson wrote:
> > On Tue, Jun 26, 2018 at 06:37:12PM +0200, Cédric Le Goater wrote:
> > 1;5202;0c> On 06/26/2018 03:27 PM, Greg Kurz wrote:
> >>> On Mon, 25 Jun 2018 11:17:13 +0200
> >>> Cédric Le Goater <address@hidden> wrote:
> >>>
> >>>> Hello,
> >>>>
> >>>
> >>> Hello,
> >>>
> >>> Sorry I didn't manage to look at this before it got merged :)
> >>>
> >>>> It makes the class hierarchy much cleaner and removes duplicated
> >>>> code. As we are touching the location of the objects states, migration
> >>>> compatibility was checked and the following tests were performed under
> >>>> KVM :
> >>>>
> >>>>   qemu-3.0 (pseries-3.0)   -> qemu-3.0  (pseries-3.0)   OK
> >>>>   qemu-3.0 (pseries-2.12)  -> qemu-2.12 (pseries-2.12)  OK
> >>>>   qemu-3.0 (pseries-2.11)  -> qemu-2.11 (pseries-2.11)  OK
> >>>>   qemu-3.0 (pseries-2.10)  -> qemu-2.10 (pseries-2.10)  OK
> >>>>   qemu-3.0 (pseries-2.9)   -> qemu-2.9  (pseries-2.9)   OK
> >>>>   qemu-3.0 (pseries-2.8)   -> qemu-2.8  (pseries-2.8)   OK
> >>>>   qemu-3.0 (pseries-2.7)   -> qemu-2.7  (pseries-2.7)   FAIL
> >>>
> >>> What's the failure ?
> >>
> >> qemu-system-ppc64: error while loading state for instance 0x0 of device 
> >> 'cpu'
> >> qemu-system-ppc64: load of migration failed: Invalid argument
> >>
> >> and to be more precise :
> >>
> >>    qemu-3.0  (pseries-2.7)   -> qemu-2.7  (pseries-2.7)   FAIL
> >>    qemu-2.12 (pseries-2.7)   -> qemu-2.7  (pseries-2.7)   FAIL
> >>    qemu-2.11 (pseries-2.7)   -> qemu-2.7  (pseries-2.7)   FAIL
> >>    qemu-2.10 (pseries-2.7)   -> qemu-2.7  (pseries-2.7)   FAIL
> >>    qemu-2.9  (pseries-2.7)   -> qemu-2.7  (pseries-2.7)   FAIL
> >>    qemu-2.8  (pseries-2.7)   -> qemu-2.7  (pseries-2.7)   FAIL
> >>    qemu-2.7  (pseries-2.7)   -> qemu-2.7  (pseries-2.7)   OK
> >>
> >>
> >> So it has been a while.
> > 
> > Yeah, IIRC that's a known problem.  If you try 2.7.1, I think it will work.
> 
> I was using a 2.7.1.

Huh.  Ok, I don't know what's going on then.  But your patches haven't
changed the behaviour, so, whatever.

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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