From owner-freebsd-questions@FreeBSD.ORG Fri Dec 4 22:17:23 2009 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 1617A106566B for ; Fri, 4 Dec 2009 22:17:23 +0000 (UTC) (envelope-from gbell72@rogers.com) Received: from n8.bullet.re3.yahoo.com (n8.bullet.re3.yahoo.com [68.142.237.93]) by mx1.freebsd.org (Postfix) with SMTP id A72688FC19 for ; Fri, 4 Dec 2009 22:17:22 +0000 (UTC) Received: from [68.142.237.87] by n8.bullet.re3.yahoo.com with NNFMP; 04 Dec 2009 22:04:43 -0000 Received: from [66.196.97.132] by t3.bullet.re3.yahoo.com with NNFMP; 04 Dec 2009 22:04:43 -0000 Received: from [127.0.0.1] by omp105.mail.re3.yahoo.com with NNFMP; 04 Dec 2009 22:04:43 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 629358.13528.bm@omp105.mail.re3.yahoo.com Received: (qmail 50942 invoked by uid 60001); 4 Dec 2009 22:04:43 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rogers.com; s=s1024; t=1259964283; bh=tJwRBpEr6CL8EBdsT3KJ1plDLFb2XdeQZufrEAET+Yk=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=ejrD17mNgm5e2N6SwrFCFog4XvLYZNpLFFdEbU+nH2sp6zGDuxueLHm5c5zARcl0SuLtWT9JsB2xho+B13zCUVij4c4l5lfx+0/2GAkH9W5PPkm8aOG6x/oWhVvcBJHWHH6YBR8EVZK0irXgAG5DErYTVwVGebnwvJhPevtY2zE= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=rogers.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=4YvKV6DMnweF69s2pJQVQYiXzwmO3CFfIO1UhPmXx0bIJExeCBBJqMcmz9vmc6OQWNztg0PlE/k1Q4fofrrMG/sXqv50W11ETtyFcKpWkO4+7w3VAsakybP2ZVve4V4QkHVyT6DoKN91s0fRNWf5dUuVz3/SD1oC7fh/OsOiaos=; Message-ID: <481610.50905.qm@web88001.mail.re2.yahoo.com> X-YMail-OSG: mUDn7jwVM1kPFGPllcQP5oQfjeUKLWJYs_xaTWc82dBmATTgB68LlHGh8JJUTA65EP729rhl3mHMkLgPNwDB1dTwuFBA8s0a.fnNyotnw7xCTaLJwaeMQotGRzyVK8JNAQ4jP2t8Rf2Y2xtkbQoDJaTCnsgTegq_WOjYM.vGyo348WgnkJm3ZSBJCsRk63oKVBhzOyVclAH60MloNoJVGxg6hxC2puppzIm31GnZZp2.X1m33_i2DHVmOwuXcC.Sm37CycmpiosjDkYB5hEHa5RmREeDTaBkPCF8KFpofPtHyFkoy5EqDcK4fJJi9t3ofzddjvRbOEiiV2A5DTe1qXfskVBnOlsZRha1DnFFYA-- Received: from [99.233.37.65] by web88001.mail.re2.yahoo.com via HTTP; Fri, 04 Dec 2009 14:04:43 PST X-Mailer: YahooMailClassic/9.0.19 YahooMailWebService/0.8.100.260964 Date: Fri, 4 Dec 2009 14:04:43 -0800 (PST) From: Gardner Bell To: APseudoUtopia , Roland Smith In-Reply-To: <20091204215231.GA32092@slackbox.xs4all.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: FreeBSD Questions Subject: Re: Use of COMPAT Kernel Options 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: Fri, 04 Dec 2009 22:17:23 -0000 --- On Fri, 12/4/09, Roland Smith wrote: > From: Roland Smith > Subject: Re: Use of COMPAT Kernel Options > To: "APseudoUtopia" > Cc: "FreeBSD Questions" > Date: Friday, December 4, 2009, 9:52 PM > On Fri, Dec 04, 2009 at 04:39:59PM > -0500, APseudoUtopia wrote: > > Hello, > > > > I'm working on editing the kernel configuration file > for a custom > > kernel. The system will be running FreeBSD > 8.0-RELEASE-p1. I'm > > wondering about the use of the COMPAT options in the > kernel config. > > COMPAT_43 > > Well, COMPAT_43 one isn't even in GENERIC anymore, so I > guess it is not that > important anymore. > > > COMPAT_43TTY > > This is still in the GENERIC kernel. I'd keep it in > initially. Then build a > kernel without it. If that fails to start the system > properly, you'll always > have a good kernel to fall back on. > > Have a look at what is written under COMPATIBILITY OPTIONS > in /sys/conf/NOTES. > > > COMPAT_FREEBSD[4-7] > > If you do not have binaries from ealier FreeBSD versions > around, you can skip > these. > FWIW, a FreeBSD 8.0 kernel fails to build without COMPAT_FREEBSD7 so I'd keep that.