From owner-freebsd-virtualization@FreeBSD.ORG Thu Dec 31 02:13:05 2009 Return-Path: Delivered-To: freebsd-virtualization@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AA297106566B for ; Thu, 31 Dec 2009 02:13:05 +0000 (UTC) (envelope-from bazerka@beardz.net) Received: from mx-2.btshosting.co.uk (mx-2.btshosting.co.uk [87.117.208.79]) by mx1.freebsd.org (Postfix) with ESMTP id 7BEFE8FC27 for ; Thu, 31 Dec 2009 02:13:05 +0000 (UTC) Received: from [192.168.1.65] (host86-137-121-96.range86-137.btcentralplus.com [86.137.121.96]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: bazerka@beardz.net) by mx-2.btshosting.co.uk (Postfix) with ESMTPSA id 73CE76E5460 for ; Thu, 31 Dec 2009 01:57:17 +0000 (GMT) Message-ID: <4B3C04E1.7060701@beardz.net> Date: Thu, 31 Dec 2009 01:56:49 +0000 From: Jase Thew User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.5) Gecko/20091204 Thunderbird/3.0 MIME-Version: 1.0 To: freebsd-virtualization@freebsd.org References: <4B2BB633.8080302@tundraware.com> <71884493a925c9959242935b6db83e80.squirrel@pop2.pknet.net> <4B2C4D1C.8000707@tundraware.com> <4B2FC386.6030709@tundraware.com> In-Reply-To: <4B2FC386.6030709@tundraware.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Virus-Scanned: clamav-milter 0.95.3 at mx-2.btshosting.co.uk X-Virus-Status: Clean Subject: Re: FBSD 8.0 And VirtualBox 3.1 X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Dec 2009 02:13:05 -0000 On 21/12/2009 18:50, Tim Daneliuk wrote: > On 12/21/2009 4:42 AM, Ivan Voras wrote: > >> Marius Nünnerich wrote: >> >>> On Sat, Dec 19, 2009 at 04:48, Tim Daneliuk >>> wrote: >>> >>>> On 12/18/2009 8:16 PM, Peter wrote: >>>> >>>>>> I have a machine running Win/XP Pro SP3 hosting VirtualBox 3.1. >>>>>> >>>>>> The hardware happily boots the Ubuntu amd64 CDROM natively and >>>>>> FreeBSD 8.0 >>>>>> also boots fine - well ... up to the point where it has to ID the hard >>>>>> drive, but that's another story. >>>>>> >>>>>> IOW, the hardware is 64-bit capable (It is an Intel mobo w/a Pentium-D >>>>>> 940 w/EMT64 option). >>>>>> >>>>>> HOWEVER, when I run VirtualBox and try to install the 64 bit version >>>>>> of FreeBSD in a VM, it get a "CPU doesn't support long mode" error >>>>>> during the FreeBSD virtual booting process. FreeBSD 8.0 i386 works >>>>>> fine. >>>>>> >>>>>> 'Anyone run across this before and/or have a fix? >>>>>> >>>>>> TIA, >>>>>> >>>>> Do you have VT-x/AMD-v enabled? [in the BIOS and VBox for this VM] >>>>> >>>> Yup, but I wonder ... I'm running XP as the host which is 32-bit even >>>> though >>>> the hardware is 64-bit capabale. Could this be limiting what VirtualBox >>>> can deliver? >>>> >>> Exactly. For 64bit guests the host has to be 64bit too afaik. >>> >> No, if hardware extensions are enabled then PAE is the only requirement >> for 32-bit hosts to run 64-bit guests. >> >> According to Wikipedia >> (http://en.wikipedia.org/wiki/List_of_Intel_Pentium_D_microprocessors) >> some models of Pentium D have VT extensions and some don't. But then >> there's also the question of motherboard support. >> > Very strange. I have tried this on two different motherboards and > neither works: > > 1) Win XP running on an Intel 945 mobo with a Pent D 940 which supposedly > has VT support. > > 2) Ubuntu Karmic 64bit on a MSI P4M890 with a Pentium D 925 which may not > have VT support. > > Is the claim here that you cannot virtualize 64bit w/o VT support? Certainly > you seem not to need it for 32 bit guests. > 64bit guests require VT support : http://www.virtualbox.org/manual/UserManual.html#intro-64bitguests hth, Jase.