From owner-freebsd-current@FreeBSD.ORG Mon Oct 15 23:20:38 2007 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A921F16A41A for ; Mon, 15 Oct 2007 23:20:38 +0000 (UTC) (envelope-from fjwcash+freebsd@gmail.com) Received: from smtp.sd73.bc.ca (smtp.sd73.bc.ca [142.24.13.140]) by mx1.freebsd.org (Postfix) with ESMTP id 704C613C44B for ; Mon, 15 Oct 2007 23:20:38 +0000 (UTC) (envelope-from fjwcash+freebsd@gmail.com) Received: from localhost (localhost [127.0.0.1]) by localhost.sd73.bc.ca (Postfix) with ESMTP id 085741A000B1E; Mon, 15 Oct 2007 16:20:38 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at smtp.sd73.bc.ca Received: from smtp.sd73.bc.ca ([127.0.0.1]) by localhost (smtp.sd73.bc.ca [127.0.0.1]) (amavisd-new, port 10024) with LMTP id lfR3k5NA6u-R; Mon, 15 Oct 2007 16:20:31 -0700 (PDT) Received: from coal (s10.sbo [192.168.0.10]) by smtp.sd73.bc.ca (Postfix) with ESMTP id 328081A000B0D; Mon, 15 Oct 2007 16:20:31 -0700 (PDT) From: Freddie Cash Organization: School District 73 To: current@freebsd.org Date: Mon, 15 Oct 2007 16:20:29 -0700 User-Agent: KMail/1.9.7 References: <48344.172.16.9.1.1192472836.squirrel@www.xtra-net.be> <200710151335.27991.fjwcash+freebsd@gmail.com> <4713F2F1.4090608@ntecs.de> In-Reply-To: <4713F2F1.4090608@ntecs.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Message-Id: <200710151620.29832.fjwcash+freebsd@gmail.com> Cc: Michael Neumann Subject: Re: Xen Status : FreeBSD-current as Dom/U. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Oct 2007 23:20:38 -0000 On October 15, 2007 04:08 pm Michael Neumann wrote: > Freddie Cash schrieb: > > On October 15, 2007 11:27 am Vincent Blondel wrote: > >> I am trying to install FreeBSD-current as Dom/U on my Core2 Quad > >> server hosting Linux Ubuntu 7.10 as Dom/0. > > > > Is that a quad-core CPU or a quad-CPU system? > > > > If it's a quad-core CPU, it should support Intel hardware > > virtualisation feature. If it does, you don't need any Xen patches > > or support in FreeBSD. Just create a Xen VM that supports hardware > > virtualisation (not a paravirtualised VM) and install FreeBSD as per > > normal. That's the beauty of the Intel VT and AMD VX (or whatever > > they call it now) features -- no need to patch an OS to run in a Xen > > VM. > > Does anybody know if there are big differences in performance > of running an unchanged OS under Xen with hardware virtualization > turned on vs. a paravirtualized OS? Or any other problems with an > unchanged OS using hardware virtualization? If not, then this is > clearly the way to go! Haven't tested it yet, personally. We're trying to track down a Tyan motherboard that will support AMD CPUs=20 with hardware virtualisation, with hardware support for Debian Linux 4.0=20 and FreeBSD 6.2. Once we have that, then we're going to start testing=20 running Xen with a Debian host, Debian guests (paravirtualised and full=20 virtualised), and FreeBSD guests (para and full). =46rom what I've read online, full virtualised Xen VMs with Xen 3.0.3 is=20 slower than paravirtualised Xen VMs. However, I can't find a definite=20 answer to what "slower" is. :) =2D-=20 =46reddie Cash, LPIC-2 CCNT CCLP Network Support Technician School District 73 (250) 377-HELP [377-4357] fjwcash+freebsd@gmail.com