[Pkg-xen-devel] Big machines support by Debian Xen

[Nikita V. Youshchenko]

> On Mon, Dec 11, 2006 at 01:52:40PM +0300, Nikita V. Youshchenko wrote:
> > > On Sun, Dec 10, 2006 at 11:58:20PM +0300, Nikita V. Youshchenko
> > > wrote:
> > >
> > > Hi!
> > >
> > > > As far as I understand, using "big machines" is not currently
> > > > possible within debian xen packages, because there is no kernel
> > > > with pae support to use in domain 0, which in turn forces to use
> > > > non-pae supervisor, which makes most of system memory unavailable.
> > >
> > > If what you're missing is a linux kernel compiled for pae that's a
> > > kernel not a pkg-xen issue...
> > >
> > > > I'd like to ask what is debian xen team's current position on
> > > > providing support for "big machines". Is debian xen team
> > > > interested in such support?
> > >
> > > We'd currently like to support it and we provide the pae
> > > hypervisor... The missing link is in the kernel team... In the
> > > meantime you could use debian xen's packages and build your own
> > > kernels and maybe check with the kernel team about why they are not
> > > provide...
> >
> > Thanks for your reply. I was sure that this question should be in
> > control of pkg-xen team; the person who replied me in 390862 looks to
> > be the member of the both kernel and pkg-xen teams.
> >
> > Anyway now it's too late since etch is already frozen :(.
> > Hope to have things better in etch+1, after some more years of
> > self-compiling :).
> >
> > Sorry for the noise.
>
> This is really bad news.
>
> FC5 (with recent update), FC6 and RHEL5 are all using PAE versions of
> Xen. Stable version of Debian won't be compatible/interoperable with
> them.. :(

I don't see any interoperability issues here.

Just FC5/FC6/RHEL5 do support big machines out of the box, and debian etch 
will not. Because someone in kernel team thinks this is "not appropriate" 
(see #390862). Quite frustrating.

> There is nothing that can be done at this point?

You may try to write debian-release ...  I see no hope to get this 
resolved, so I won't :(.

Nikita
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