Date: Sun, 11 Sep 2005 14:49:25 -0700 From: Nate Lawson <nate@root.org> To: obrien@FreeBSD.org Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/conf kern.post.mk Message-ID: <4324A665.3070405@root.org> In-Reply-To: <20050911023622.GA51877@dragon.NUXI.org> References: <20050911002229.51F4916A471@hub.freebsd.org> <432382BC.5080105@root.org> <20050911023622.GA51877@dragon.NUXI.org>
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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/<arch>/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
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