From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: dom0 boot failure with 256G
Date: Thu, 05 Jun 2008 14:31:29 +0100
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To: Jan Beulich <jbeulich@novell.com>
Cc: "Kurt C. Hackel" <kurt.hackel@oracle.com>, Ian Pratt <Ian.Pratt@eu.citrix.com>, xen-devel <xen-devel@lists.xensource.com>, mukesh.rathor@oracle.com, Keir Fraser <keir.fraser@eu.citrix.com>
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Jan Beulich wrote:
>> A paravirtualised kernel needs to have its PAGE_MASK widened. This is a bug
>> we've bumped into once or twice.
>>     
>
> Even a native kernel ought to honor the physical address width the
> processor supports rather than arbitrarily masking off bits just because
> original PAE only supported 36 bits.

Current 2.6 is too strict about this.  I'll queue up a patch to fix it.

    J