From owner-freebsd-questions Wed Feb 7 11:37:24 2001 Delivered-To: freebsd-questions@freebsd.org Received: from mta5.snfc21.pbi.net (mta5.snfc21.pbi.net [206.13.28.241]) by hub.freebsd.org (Postfix) with ESMTP id 6577037B401 for ; Wed, 7 Feb 2001 11:37:00 -0800 (PST) Received: from xor.obsecurity.org ([64.165.226.103]) by mta5.snfc21.pbi.net (Sun Internet Mail Server sims.3.5.2000.01.05.12.18.p9) with ESMTP id <0G8E001FJI03YI@mta5.snfc21.pbi.net> for freebsd-questions@freebsd.org; Wed, 7 Feb 2001 10:57:53 -0800 (PST) Received: by xor.obsecurity.org (Postfix, from userid 1000) id 15BF066B62; Wed, 07 Feb 2001 11:00:11 -0800 (PST) Date: Wed, 07 Feb 2001 11:00:11 -0800 From: Kris Kennaway Subject: Re: Multiple kernels In-reply-to: ; from mkoivist@nortelnetworks.com on Wed, Feb 07, 2001 at 01:32:07PM -0500 To: Matthew Koivisto Cc: "'freebsd-questions@freebsd.org'" Message-id: <20010207110010.A29705@mollari.cthul.hu> MIME-version: 1.0 Content-type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="lrZ03NoBR/3+SXJZ" Content-disposition: inline User-Agent: Mutt/1.2.5i References: Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG --lrZ03NoBR/3+SXJZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Feb 07, 2001 at 01:32:07PM -0500, Matthew Koivisto wrote: > Hi, I'm fairly new to freeBSD and I'm currently running a system with > freeBSD 4.1 - RELEASE. I would like to upgrade to freeBSD 4.2 - RELEASE but > I would also like to keep my old 4.1 kernel around. Is it possible to use > the kernel boot loader to run different kernel versions like this? Or is the > kernel boot loader just for loading kernels built with different options and > not versions? You can do it - see the loader manual page - but running kernels with a different version than your userland code (even built from -STABLE sources checked out on different days) is not supported and will break things. Kris --lrZ03NoBR/3+SXJZ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE6gZs6Wry0BWjoQKURAk4BAJ9p+nXOHDEUu4SxeZ3iWCouj/3GxQCeJbBp zSxRvOpRZrCUenjcrMn0F6s= =EuU3 -----END PGP SIGNATURE----- --lrZ03NoBR/3+SXJZ-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message