From owner-cvs-all@FreeBSD.ORG Sun Sep 11 21:49:26 2005 Return-Path: X-Original-To: cvs-all@FreeBSD.org Delivered-To: cvs-all@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D4DCB16A41F; Sun, 11 Sep 2005 21:49:26 +0000 (GMT) (envelope-from nate@root.org) Received: from www.cryptography.com (li-22.members.linode.com [64.5.53.22]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7F93443D46; Sun, 11 Sep 2005 21:49:26 +0000 (GMT) (envelope-from nate@root.org) Received: from [10.0.0.250] (adsl-64-171-185-177.dsl.snfc21.pacbell.net [64.171.185.177]) by www.cryptography.com (8.12.8/8.12.8) with ESMTP id j8BLnTo5000962 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sun, 11 Sep 2005 14:49:30 -0700 Message-ID: <4324A665.3070405@root.org> Date: Sun, 11 Sep 2005 14:49:25 -0700 From: Nate Lawson User-Agent: Mozilla Thunderbird 1.0.6 (Windows/20050716) X-Accept-Language: en-us, en MIME-Version: 1.0 To: obrien@FreeBSD.org References: <20050911002229.51F4916A471@hub.freebsd.org> <432382BC.5080105@root.org> <20050911023622.GA51877@dragon.NUXI.org> In-Reply-To: <20050911023622.GA51877@dragon.NUXI.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/conf kern.post.mk X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Sep 2005 21:49:27 -0000 David O'Brien wrote: > On Sat, Sep 10, 2005 at 06:05:00PM -0700, Nate Lawson wrote: > >>David E. O'Brien wrote: >> >>>obrien 2005-09-11 00:22:21 UTC >>> >>> FreeBSD src repository >>> >>> Modified files: >>> sys/conf kern.post.mk >>> Log: >>> For HEAD, install a kernel with debug information if DEBUG is a kernel >>> config option. It is too easy to loose the build directory and not have >>> symbols for kgdb to read. >>> >>> Revision Changes Path >>> 1.84 +4 -17 src/sys/conf/kern.post.mk >> >>I disagree with this change. We do not need to waste the space in /. >>If I'm running a debug kernel, it is based on the latest version of >>kernel.debug in my kernel compile dir and I know to find it there. > > > We do need this. The panic I posted yesterday happened in the 'make' > stage of the below sequence: > > cd /sys//conf > config FOO > cd ../compile/FOO > make clean > make > > Note that the kernel.debug matching the running kernel was blown away at > this point. > > I was going to just install kernel.sym instead of a kernel with symbols, > but kgdb's usage doesn't claim to support '-s' as the previous kgdb did. > kernel.sym would be better since it wouldn't have the duplication that kernel and kernel.debug have. Alternately, we can make loader(8) skip symbol sections when booting and just install kernel.debug -- Nate