From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: Re: "Iomem mapping not permitted" during windows crash dump under GPLPV Date: Tue, 2 Feb 2010 11:34:16 +0000 Message-ID: <4B680DB8.4070909@citrix.com> References: <4B67FD59.2050801@citrix.com> <4B680662.1060201@citrix.com> 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: James Harper Cc: "xen-devel@lists.xensource.com" , Keir Fraser List-Id: xen-devel@lists.xenproject.org James Harper wrote: > > Someone on the ntdev list suggested that one approach could be to > allocate a single page at setup time and map that into each 'hole' I > leave behind by ballooning pages out. I haven't checked if Xen supports > a HVM DomU randomly mapping pages like that and if it will let it map > the same page multiple times, but it would remove the errors and keep > everything happy. > Oh that will definitely work but, as I said, the trick is knowing a priori where the 'holes' are :-) Paul -- =============================== Paul Durrant, Software Engineer Citrix Systems (R&D) Ltd. First Floor, Building 101 Cambridge Science Park Milton Road Cambridge CB4 0FY United Kingdom ===============================