From owner-freebsd-jail@FreeBSD.ORG Thu Feb 18 19:29:28 2010 Return-Path: Delivered-To: freebsd-jail@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6380F1065694 for ; Thu, 18 Feb 2010 19:29:28 +0000 (UTC) (envelope-from andrnils@gmail.com) Received: from mail-bw0-f216.google.com (mail-bw0-f216.google.com [209.85.218.216]) by mx1.freebsd.org (Postfix) with ESMTP id AE6F48FC0C for ; Thu, 18 Feb 2010 19:29:27 +0000 (UTC) Received: by bwz8 with SMTP id 8so499265bwz.3 for ; Thu, 18 Feb 2010 11:29:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=5LcVZmplFC29VpQ6DtY7dTcUU2BDWE2DjFXeXHFax24=; b=vNMpp+EIghYupOoMpyDPF6z+LucQiW4n1pqkfm0SFeGAeNlAtDuk2i52yFCbVJoQV2 3YOjd/dOq7qONRByY6noIEs9i06NDf/oDe9/SmGz16/OGyl4H9VSZ9qwfMaT6YCCjY3F pDM/lRR/Po23mGvmkZspgmRhA9wb1TRmhQFPg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=rayHOSPQVlg8fNBjyapylgE2ffHkYKyW2tAxpMYTAozt3P3IUU7oUOnyVExCKPUBxG m92+2IZxrJvfiWTPJWVfkGYt+Z03L02JMFSLDuhCpJSYi9N+bGqERNVQldkUmR3TaznZ IPWlD0dC0KvkAFkwgCo67x75rVKZB6v7vnsu0= MIME-Version: 1.0 Received: by 10.204.8.75 with SMTP id g11mr514400bkg.172.1266521366296; Thu, 18 Feb 2010 11:29:26 -0800 (PST) In-Reply-To: <20100218172634.GA28262@lonesome.com> References: <20100218172634.GA28262@lonesome.com> Date: Thu, 18 Feb 2010 20:29:26 +0100 Message-ID: From: Andreas Nilsson To: Mark Linimon Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-jail@freebsd.org Subject: Re: Emulating different versions of FreeBSD X-BeenThere: freebsd-jail@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Discussion about FreeBSD jail\(8\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Feb 2010 19:29:28 -0000 On Thu, Feb 18, 2010 at 6:26 PM, Mark Linimon wrote: > On Thu, Feb 18, 2010 at 04:54:08PM +0100, Andreas Nilsson wrote: > > Could the jail architecture be used to run/emulate different versions of > > FreeBSD on the same machine? > > portmgr does that on the package build machines all the time. AFAIK we > don't do anything special to the kernel/userland we run in the jails. > > Of course, you need to make sure that what's in the jail is no newer than > the native kernel/userland. > > mcl > Ok, that sounds great. Thanks for the swift response. So building for example lsof in a 7.1 jail on a 8.0 host will report it being built on 7.1-RELEASE-pX? Does it also work to run a 32-bit jail on a 64-bit host? /Andreas