From owner-freebsd-questions@FreeBSD.ORG Thu Sep 27 05:52:19 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0B41E16A41A for ; Thu, 27 Sep 2007 05:52:19 +0000 (UTC) (envelope-from eoster@cs.ucla.edu) Received: from smtp-1.smtp.ucla.edu (smtp-1.smtp.ucla.edu [169.232.46.136]) by mx1.freebsd.org (Postfix) with ESMTP id DF35813C455 for ; Thu, 27 Sep 2007 05:52:18 +0000 (UTC) (envelope-from eoster@cs.ucla.edu) Received: from mail.ucla.edu (mail.ucla.edu [169.232.48.150]) by smtp-1.smtp.ucla.edu (8.14.1/8.14.1) with ESMTP id l8R5qEaa025226; Wed, 26 Sep 2007 22:52:14 -0700 Received: from [192.168.0.3] (cpe-76-168-53-190.socal.res.rr.com [76.168.53.190]) (authenticated bits=0) by mail.ucla.edu (8.13.8/8.13.8) with ESMTP id l8R5q81b020854 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Wed, 26 Sep 2007 22:52:10 -0700 In-Reply-To: <46FB4139.8020104@infracaninophile.co.uk> References: <46FB2A26.8040507@pacific.net.sg> <74CB72FB-0B36-4945-B121-E61E07BAA4F5@CS.UCLA.EDU> <26F3B5E1A6FC015BDA8980FB@paul-schmehls-powerbook59.local> <46FB32B3.10800@pacific.net.sg> <46FB4139.8020104@infracaninophile.co.uk> Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <1D876719-EB69-450C-A231-8DAE0E71FE64@cs.ucla.edu> Content-Transfer-Encoding: 7bit From: Eric Osterweil Date: Wed, 26 Sep 2007 22:52:03 -0700 To: Matthew Seaman X-Pgp-Agent: GPGMail 1.1.2 (Tiger) X-Mailer: Apple Mail (2.752.2) X-Probable-Spam: no X-Spam-Hits: 0.654 X-Spam-Report: SPF_SOFTFAIL X-Scanned-By: smtp.ucla.edu on 169.232.46.136 Cc: Paul Schmehl , Erich Dollansky , freebsd-questions@freebsd.org Subject: Re: Dual Opterons don't see all memory 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, 27 Sep 2007 05:52:19 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Sep 26, 2007, at 10:35 PM, Matthew Seaman wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Erich Dollansky wrote: > >> Paul Schmehl wrote: >>> --On September 26, 2007 9:06:57 PM -0700 Eric Osterweil >>> wrote: >>> >>>> On Sep 26, 2007, at 8:57 PM, Erich Dollansky wrote: >>>> >>>>> Eric Osterweil wrote: >>>>> >>>> >>>> Ahh... To do this, do I just specify the CPUTYPE in the /etc/ >>>> make.conf >>>> as: >>>> CPUTYPE=amd64 >>>> ? >>>> >>> No. Add options SMP to GENERIC or use the SMP conf file that's >>> already there (and includes GENERIC). Then recompile the kernel per >>> the handbook. >>> >> he still has to set the CPU type also in this config file to amd64. > > If the OP has installed FreeBSD i386 then changing the CPU type in > /etc/make.conf won't magically get him FreeBSD amd64 --- it will just > get him FreeBSD i386 optimized for AMD processors running in 32bit > mode. > > As far as I know, there is no simple way to start with a 32-bit > system and the FreeBSD sources and recompile and reinstall everything > into a 64-bit system. (Although the opposite direction is apparently > possible on 7-CURRENT, but it's a guru-only level of difficulty.) > > The best and most effective answer here is to start by downloading > an amd64 installation CD and redo the whole thing from scratch. > > Cheers, > > Matthew Ahh... gotcha. I guess it's good that I asked before I loaded the machine up and invested a lot of time in it. I can nuke it if that's what has to be done. Thanks, Eric -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (Darwin) iD8DBQFG+0UIK/tq6CJjZQIRAuwwAJ9X0MIlij9g+O6TNvflq1dOAE+GMwCeJDpL PVjv3wiYxhbrj01FcPqwzDw= =ySXY -----END PGP SIGNATURE-----