Re: [Xen-devel] Memory limit / xen for Conectiva

[Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>]

> On Fri, Sep 24, 2004 at 06:47:19PM +0100, Ian Pratt wrote:
> > > (XEN) Initialized 1983MB memory (507888 pages) on a 1983MB machine.
> > 
> > Please can you send us the output of a native linux 2.4 or 2.6
> > kernel booting. Your machine must have a memory hole, and we need
> > to be smarter about parsing memory tables. You should be able to
> > get 4GB working, but we have no plans to support PAE36. We're
> > concentrating on x86_64.

>  BIOS-e820: 0000000000100000 - 000000007bff0000 (usable)
>  BIOS-e820: 0000000100000000 - 0000000280000000 (usable)

Yep, we're probably missing the second of these.  Although its
perfectly entitled to, its slightly baroque that your BIOS is
placing the IO hole at just below 2GB rather than 4GB.

Porting some more Linux table parsing code shouldn't be hard. I
guess we were going to see a machine like this sooner or later....

Ian


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