From owner-freebsd-questions@FreeBSD.ORG Thu Jun 28 16:02:06 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 8B97116A468 for ; Thu, 28 Jun 2007 16:02:06 +0000 (UTC) (envelope-from fbsd06@mlists.homeunix.com) Received: from mxout-03.mxes.net (mxout-03.mxes.net [216.86.168.178]) by mx1.freebsd.org (Postfix) with ESMTP id 6482413C447 for ; Thu, 28 Jun 2007 16:02:06 +0000 (UTC) (envelope-from fbsd06@mlists.homeunix.com) Received: from gumby.homeunix.com. (unknown [87.81.140.128]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.mxes.net (Postfix) with ESMTP id 49E545194D for ; Thu, 28 Jun 2007 12:02:05 -0400 (EDT) Date: Thu, 28 Jun 2007 17:02:02 +0100 From: RW To: freebsd-questions@freebsd.org Message-ID: <20070628170202.43e64182@gumby.homeunix.com.> In-Reply-To: <20070628101239.6fs4qrpz8k8kkosw@intranet.unixmania.com> References: <20070627145452.ytifppt70oc480s8@intranet.unixmania.com> <20070628011057.5a0d90b5@gumby.homeunix.com.> <20070628101239.6fs4qrpz8k8kkosw@intranet.unixmania.com> X-Mailer: Claws Mail 2.9.2 (GTK+ 2.10.13; i386-portbld-freebsd6.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: Upgrading from an old athlon to a new 64 bit one. X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Jun 2007 16:02:06 -0000 On Thu, 28 Jun 2007 10:12:39 -0500 eculp@unixmania.com wrote: > What I am trying to do is compile an amd64 kernel, install it and > see what happens ;) I can always go back to the generic kernel > compiled in sys/i386. amd64 and i386 are different platforms in the same sense that sparc64 and ppc are different platforms. An AMD 64 is not back-compatible to pentium pro code when it's in 64-bit mode. Whilst 32-bit binaries can be run on the amd64 platform, they need special handling, you can't just mix-and-match world and kernel platforms.