From mboxrd@z Thu Jan  1 00:00:00 1970
From: ebiederm@xmission.com (Eric W. Biederman)
Subject: Re: [PATCH 10/28] i386: map enough initial memory to create lowmem
	mappings
Date: Wed, 25 Apr 2007 17:33:45 -0600
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References: <20070414204154.871250608@goop.org>
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In-Reply-To: <462FDBB4.8020604@goop.org> (Jeremy Fitzhardinge's message of
	"Wed, 25 Apr 2007 15:52:36 -0700")
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To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: lkml <linux-kernel@vger.kernel.org>, Chris Wright <chrisw@sous-sol.org>, virtualization@lists.osdl.org, Chuck Ebbert <cebbert@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Andrew Morton <akpm@linux-foundation.org>, Linus Torvalds <torvalds@linux-foundation.org>
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Jeremy Fitzhardinge <jeremy@goop.org> writes:

> Eric W. Biederman wrote:
>> Since you have PSE disabled for Xen my hunch is that somehow that
>> got left on for your test boot.
>
> No.  Under Xen cpuid masks out PSE (and complains if you try to set it
> in a pte), but when booting native it will just use a plain unadorned cpuid.

Then why you had to allocate enough pages to cause a failure has me stumped.
Perhaps there is some other bug?

Eric