[Pkg-xen-devel] Xen status in lenny?

[Paul van der Vlis]

Ian Campbell schreef:
> On Thu, 2008-07-10 at 21:53 +0200, Lucas Nussbaum wrote:
>> Hi,
>>
>> AFAIK, the status of Xen in lenny is currently the following:
>> - no dom0 kernel
>> - domU kernel only for i386 (no domU kernel for amd64)
>>
>> I was told (I don't remember where) that this is because the vanilla
>> kernel only supports domU for i386, and has no dom0 support, so distros
>> have to port the patches to their kernels (please correct me if I'm
>> wrong).
> 
> That is correct.
> 
> The upstream -tip tree currently has some 64 bit domU patches queued
> (probably for 2.6.27). They are rather new and far reaching since they
> make some some nice infrastructure cleanups along the way etc. There's a
> rather slim chance they might make it in for Lenny but given their young
> age I'm not quite happy to say we could support a kernel with them for
> the lifetime of Lenny.
> 
> dom0 support is being worked on by Fedora people (I think) but there are
> no patches upstream yet.
> 
>> However:
>> - etch shipped with dom0 and domU kernels on i386 and amd64
>> - all major distros shipped with "full" Xen support
> 
> FWIW fc9 didn't ship with dom0 support -- that is targeted for fc10.
> For now I think they recommend you stick with fc8 for dom0.
> 
> I think we will be in a similar situation -- recommending sticking with
> Etch for dom0 (or at least the Etch kernel, which I run on sid for my
> Xen uses just fine) is probably the best we can do at the moment.
>
>> What are the plans for Xen for lenny? Is this situation likely to change
>> before the release?
> 
> Without a massive injection of manpower (Debian side or upstream) I
> don't see much changing. I've heard that maybe a Lenny + 1/2 kernel
> might be able to add the features (64bit + dom0) which are missed this
> time around if they are available upstream, but that isn't my call to
> make.

Some Fedora-links about Xen:
http://fedoraproject.org/wiki/Features/XenPvopsDom0
http://fedoraproject.org/wiki/Features/XenPvops
http://www.redhat.com/archives/fedora-xen/2008-March/msg00013.html
http://www.redhat.com/archives/fedora-xen/2008-March/thread.html
http://git.et.redhat.com/?p=xen-pvops-64.git
http://git.et.redhat.com/?p=linux-2.6-fedora-pvops.git;a=summary
http://cvs.fedora.redhat.com/viewcvs/rpms/kernel-xen-2.6/devel/
http://fedoraproject.org/wiki/Releases/10/Schedule

Eventually we could support the Etch-kernel in Lenny until there is
another solution?

Maybe we could make some publicity about this situation in Debian
Project News. Maybe there is someone who can help.
http://wiki.debian.org/ProjectNews/Issues/Current

With regards,
Paul van der Vlis.




-- 
http://www.vandervlis.nl/