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

["James Harper" <JamesH@xxxxxxxxxxxxxxxx>]

Is there no way to make use of this high memory? Not even as a ramdisk
or something? Or does any access at all require PAE36?

James

> -----Original Message-----
> From: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
> admin@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Ian Pratt
> Sent: Saturday, 25 September 2004 04:27
> To: Flavio Leitner
> Cc: Ian Pratt; xen-devel@xxxxxxxxxxxxxxxxxxxxx; Ian.Pratt@xxxxxxxxxxxx
> Subject: Re: [Xen-devel] Memory limit / xen for Conectiva
> 
> > 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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