From owner-freebsd-questions@FreeBSD.ORG Mon May 26 21:40:02 2008 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 5D53A1065676 for ; Mon, 26 May 2008 21:40:02 +0000 (UTC) (envelope-from rsmith@xs4all.nl) Received: from smtp-vbr5.xs4all.nl (smtp-vbr5.xs4all.nl [194.109.24.25]) by mx1.freebsd.org (Postfix) with ESMTP id E0C298FC1B for ; Mon, 26 May 2008 21:40:01 +0000 (UTC) (envelope-from rsmith@xs4all.nl) Received: from slackbox.xs4all.nl (slackbox.xs4all.nl [213.84.242.160]) by smtp-vbr5.xs4all.nl (8.13.8/8.13.8) with ESMTP id m4QLdxf4001611; Mon, 26 May 2008 23:39:59 +0200 (CEST) (envelope-from rsmith@xs4all.nl) Received: by slackbox.xs4all.nl (Postfix, from userid 1001) id AEA04BA95; Mon, 26 May 2008 23:39:59 +0200 (CEST) Date: Mon, 26 May 2008 23:39:59 +0200 From: Roland Smith To: Andrew Brampton Message-ID: <20080526213959.GA5952@slackbox.xs4all.nl> Mail-Followup-To: Andrew Brampton , Mark Ovens , freebsd-questions@freebsd.org References: <483ADEA1.40206@webrz.net> <483AF28F.1080102@magichamster.com> <045c01c8bf60$13f50710$0a00a8c0@Andrew> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="azLHFNyN32YCQGCU" Content-Disposition: inline In-Reply-To: <045c01c8bf60$13f50710$0a00a8c0@Andrew> X-GPG-Fingerprint: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 X-GPG-Key: http://www.xs4all.nl/~rsmith/pubkey.txt X-GPG-Notice: If this message is not signed, don't assume I sent it! User-Agent: Mutt/1.5.17 (2007-11-01) X-Virus-Scanned: by XS4ALL Virus Scanner Cc: Mark Ovens , freebsd-questions@freebsd.org Subject: Re: Kernel for Dual Core 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: Mon, 26 May 2008 21:40:02 -0000 --azLHFNyN32YCQGCU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, May 26, 2008 at 07:41:13PM +0100, Andrew Brampton wrote: > From: "Mark Ovens" >=20 >> The advantage of building a custom kernel is that you remove anything yo= ur=20 >> system doesn't have which saves time when booting as the kernel won't be= =20 >> probing for devices that it will never find - for example. mine is an=20 >> all-SCSI system so my kernel doesn't have any IDE or floppy devices in i= t=20 >> - and it makes the kernel smaller (although that isn't really an issue= =20 >> these days). >=20 >=20 > With FreeBSD and Linux I don't spend much time customising my kernel inca= se=20 > I remove a module that I actually need. Does anyone know of a tool which= =20 > can probe for your devices and then suggest which modules can safely be= =20 > disabled? Either 'dmesg|less' or 'pciconf -lv|less' or 'ls /dev' will show you which drivers are in use. If you see in the pciconf output a line starting with 'none', you have found a device without a driver. Roland --=20 R.F.Smith http://www.xs4all.nl/~rsmith/ [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725) --azLHFNyN32YCQGCU Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEARECAAYFAkg7Li8ACgkQEnfvsMMhpyWsUQCgneTupyVUkI3TK21WnaJlPWV/ MI8An22/heVHXi3H5rs9fcXJFZOdGpgd =XNrQ -----END PGP SIGNATURE----- --azLHFNyN32YCQGCU--