Date: Mon, 14 Sep 1998 15:26:21 +0200 (CEST) From: Andrzej Bialecki <abial@nask.pl> To: Peter Wemm <peter@netplex.com.au> Cc: Poul-Henning Kamp <phk@critter.freebsd.dk>, Andrzej Bialecki <abial@FreeBSD.ORG>, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/i386/i386 machdep.c Message-ID: <Pine.BSF.4.02A.9809141524120.22825-100000@korin.warman.org.pl> In-Reply-To: <199809141225.UAA10464@spinner.netplex.com.au>
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On Mon, 14 Sep 1998, Peter Wemm wrote: > Poul-Henning Kamp wrote: > > In message <199809141147.EAA18800@freefall.freebsd.org>, Andrzej Bialecki wri > te > > s: > > >abial 1998/09/14 04:47:41 PDT > > > > > > Modified files: > > > sys/i386/i386 machdep.c > > > Log: > > > This implements retrieving the contents of message buffer via sysctl(3) > > > as "machdep.msgbuf". It's needed in case of using stripped kernels, where > > > normal dmesg (which has to use kvm) doesn't work. > > > > > > The buffer is unwound, meaning that the data will be linear, possibly > > > with some leading NULLs. > > > > Now dmesg should be changed to use this interface, so that one less > > program needs access to /dev/kmem... > > I've found dmesg's ability to extract the msgbuf from a crashdump to be > invalueable.. ie: "dmesg -N kernel.41 -M vmcore.41". It would be a shame > to loose this ability without some other replacement. The same goes for > ps(1). Me too. When this sysctl started working, I thought I'd suggest the same what Poul-Hennig suggested, but then looked at the manpage... Andrzej Bialecki -------------------- ++-------++ ------------------------------------- <abial@nask.pl> ||PicoBSD|| FreeBSD in your pocket? Go and see: Research & Academic |+-------+| "Small & Embedded FreeBSD" Network in Poland | |TT~~~| | http://www.freebsd.org/~picobsd/ -------------------- ~-+==---+-+ -------------------------------------
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