From owner-freebsd-current@FreeBSD.ORG Sun Oct 28 20:44:45 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6C80016A417 for ; Sun, 28 Oct 2007 20:44:45 +0000 (UTC) (envelope-from kip.macy@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.181]) by mx1.freebsd.org (Postfix) with ESMTP id 3977713C49D for ; Sun, 28 Oct 2007 20:44:45 +0000 (UTC) (envelope-from kip.macy@gmail.com) Received: by wa-out-1112.google.com with SMTP id k17so1881824waf for ; Sun, 28 Oct 2007 13:44:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=56Pn2uK8czl+YO+sFUW1R69Fr74pVXY/yKjEaBdQsi0=; b=GTYBShnRd6mdWttpg7UtQNqXvYa7n/UTgUco9hzjyFWAI5IhbQrS0e3IKp8bxPUowyw1EXYeQabUNAM0AN/Rli1wy8U4Lx1RQP8xGYB2MKYeVX37gWy9fG4+GPqs4lnFiukYpgs24072OZ2WulNBvcrAbfX6vfo7BrzVzjhE2SI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=cozxdvDtwU08hOOJXN4tAhrHQv4+9ZErVngO5DmKorcd8BMXGT3TC5YXgSj6RVYCECpm0rf7wYyKAA/ITnOuZShSIzO1EgGlgFPLyQYivonmgm857tK94ACuVX5pwiEjFnaFfnNqXtH5E+I+2oGajDzDMe4dHr2mb36lMvEx5ag= Received: by 10.115.15.1 with SMTP id s1mr3499466wai.1193604284831; Sun, 28 Oct 2007 13:44:44 -0700 (PDT) Received: by 10.114.13.15 with HTTP; Sun, 28 Oct 2007 13:44:44 -0700 (PDT) Message-ID: Date: Sun, 28 Oct 2007 13:44:44 -0700 From: "Kip Macy" To: kps@ucsb.edu In-Reply-To: <200710281319.33309.kps@ucsb.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <48344.172.16.9.1.1192472836.squirrel@www.xtra-net.be> <1193342809.30674.3.camel@localhost> <20071025201857.GC43606@aleph.cepheid.org> <200710281319.33309.kps@ucsb.edu> Cc: =?ISO-8859-1?Q?Dag-Erling_Sm=F8rgrav?= , Vincent Blondel , freebsd-current@freebsd.org, Harrison Grundy , Erik Osterholm 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: Sun, 28 Oct 2007 20:44:45 -0000 On 10/28/07, Kevin Schmidt wrote: > On Thursday 25 October 2007, Erik Osterholm wrote: > > On Fri, Oct 26, 2007 at 05:06:49AM +0900, Harrison Grundy wrote: > > > On Thu, 2007-10-25 at 12:05 +0200, Dag-Erling Sm=F8rgrav wrote: > > > > "Vincent Blondel" writes: > > > > > Can somebody indicate me what settings I have to include in > > > > > GENERIC config file so to compile a Xen Dom/U FreeBSD kernel. > > > > > > > > FreeBSD currently does not support running under Xen. > > > > > > I just thought I'd note that you can use Xen with FreeBSD if your > > > processor supports hardware virtualization, I believe. > > > > I have yet to hear any independant verification of this. Anyone > > actually running FreeBSD as a domU with hardware virtualization? > > FWIW, I've tried FreeBSD as an HVM guest on several Linux distros as > Dom0, Xen 3.0 (3.0.3, 3.0.4) and 3.1 (3.1.0), using Xen packages and > manual compiles. Linux distros included Ubuntu 7.04 and Debian 4. > FreeBSD 6.2 and 7.0 -- release and snapshots -- consistently fail to > boot with a looping "BTX halted" and register dump. If there's a way > to install stock FreeBSD under Xen HVM, I haven't seen it. Without > saying whether this is properly a Xen problem or FBSD BTX problem, my > guess is this type of installation will not work until there are BTX > changes. It is obviously inadequate emulation on HVM's part. It would be interesting to see how this fared on SVM, but on VT-x one needs to emulate real mode and what exists there now is somewhat limited. This worked very briefly a few years ago. HVM's primary target is running windows. -Kip