From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: dom0 boot failure with 256G Date: Thu, 05 Jun 2008 13:54:34 +0100 Message-ID: <4847E20A.1080907@goop.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keir Fraser Cc: "Kurt C. Hackel" , Ian Pratt , xen-devel , mukesh.rathor@oracle.com List-Id: xen-devel@lists.xenproject.org Keir Fraser wrote: > Actually compat guests are good for up to 128GB, so you should be fine with > no dom0_mem= parameter. > Real PAE processors are limited to 2^36 = 64GB, and the guest kernel may mask ptes at that point. J