> -----Original Message-----
> From: Tomasz Chmielewski [mailto:mangoo@xxxxxxxx]
> Sent: 25 May 2007 11:54
> To: Petersson, Mats
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] Re: Xen 3.1 released!
>
> Petersson, Mats schrieb:
>
> >>> - 32-on-64 PV guest support (run PAE PV VMs on a 64-bit
> Xen!); and
> >> I checked - indeed it works. It is possible to create a 32
> >> bit PV guest
> >> on a 64-bit Xen.
> >>
> >> However, migration of such hosts doesn't seem to work:
> >> whenever I try to
> >> migrate a 32-bit PV guest from a 64-bit Xen to a 32-bit
> Xen (or the
> >> other way around), it fails, and the guest domain is not
> >> reachable anymore.
> >
> > No, I seem to remember that this is a known bug - check the
> Xen Devel
> > mailing list archive for the last few weeks, I'm 99% sure there is a
> > mention about this particular problem, and I don't think it's
> > (completely) fixed in unstable yet either.
>
> I didn't find any posts about it - at least, not after the
> 3.1 release
> date (maybe it was discussed earlier).
Yes, it was before the release that someone pointed this out (someone is
most likely either Gerd Hoffman or Jan Beulich).
>
>
> Also, there's one more feature which doesn't work for me:
>
> - Preliminary save/restore/migrate support for HVM (e.g.
> Windows) VMs;
>
>
> What does "preliminary" mean here? I tried saving/restoring
> HVM domains,
> but it just doesn't work.
It is the first PUBLIC release of the hvm save/restore.
>
> When I try to do /etc/init.d/xendomains stop, it does something for a
> long time, and then, my SSH session is just disconnected.
>
> When I log in again, xend doesn't work anymore:
>
> # xm list
> Error: Unable to connect to xend: Connection refused. Is xend running?
>
>
> When I start xend again, and then start xendomains, there is
> my domain
> in a weird state:
>
> # xm list
> Name ID Mem VCPUs State
> Time(s)
> Domain-0 0 256 2
> r----- 134.9
> migrating-w2k3-001 2 1759 1
> ---s-- 64.4
>
>
>
> Similar happens when I try to save the domain manually:
>
> # xm save w2k3-001 /srv/check-2k
>
> And Xen server restarted.
>
> (...)
>
> I inspected the logs, and it was the OOM-killer. Should it
> ever happen
> when saving a guest domain? Xen host has 256 MB RAM for dom0 (3 GB
> total), Xen guest 1.7 GB.
Hmm, that's probably something to do with it. Although I'm not sure.
I've saved 0.5GB domains ona 256MB Dom0 and that works. I'll try to
blow mine up a bit further and see what happens.
--
Mats
>
> --
> Tomasz Chmielewski
> http://wpkg.org
>
>
>
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