From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: Xen 3.4.2 hypervisor crash, Cannot access memory beyond end of bootstrap direct-map area, Unknown interrupt Date: Fri, 29 Jan 2010 06:36:03 +0000 Message-ID: References: <4B624DF4.2050109@nyo.unep.org> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4B624DF4.2050109@nyo.unep.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-users-bounces@lists.xensource.com Errors-To: xen-users-bounces@lists.xensource.com To: "szilagyi@nyo.unep.org" Cc: Martin Kraus , "xen-devel@lists.xensource.com" , Thiago Camargo Martins Cordeiro , xen-users List-Id: xen-devel@lists.xenproject.org On 29/01/2010 02:54, "gabor" wrote: > Sounds something interesting ... to try... > Could you give some pointers as to how to compile the hypervisor as > 64-bit??? > > I currently have a 32-bit setup but the hardware (CPU/MB/RAMetc) is > 64-bit capable and I could just run 32-bit domUs I wanted to run more > than a bare dom0 on the hardware for continutity .... but I am kind of > free to try ANYTHING .... but I need to run stuff in Debian/32-bit ... > > So can you tell me how to compile a 64-bit xen.gz on my current Debian > 32-bit PAE setup??? (the host needs to be up for certain other things > although 24/7 is not an issue...) Assuming you know how to download and build and install 32-bit Xen, what you may be able to do is: cd xen; XEN_TARGET_ARCH=x86_64 make install It depends if your 32-bit gcc can cross-compile to 64-bit target. -- Keir