Date: Sat, 19 May 2001 18:31:45 +0200 From: Andre Albsmeier <andre.albsmeier@mchp.siemens.de> To: John Polstra <jdp@polstra.com> Cc: stable@freebsd.org, andre.albsmeier@mchp.siemens.de Subject: Re: NIS/YP problems after cvsupdate Message-ID: <20010519183145.A81016@curry.mchp.siemens.de> In-Reply-To: <200105191618.f4JGIgI97789@vashon.polstra.com>; from jdp@polstra.com on Sat, May 19, 2001 at 09:18:42AM -0700 References: <20010518174206.B50521@curry.mchp.siemens.de> <Pine.BSF.4.33.0105181757030.45582-100000@klima.physik.uni-mainz.de> <20010518180103.B51108@curry.mchp.siemens.de> <200105191618.f4JGIgI97789@vashon.polstra.com>
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On Sat, 19-May-2001 at 09:18:42 -0700, John Polstra wrote: > In article <20010518180103.B51108@curry.mchp.siemens.de>, > Andre Albsmeier <andre.albsmeier@mchp.siemens.de> wrote: > > > > OK, now we need someone who got some idea what is happening here. > > I really don't know how setting some unused stuff in the > > ELF loader affects yppush :-( > > Right. It's not even setting unused stuff. It's setting one location > to a bogus value and then immediately overwriting it with the correct Well, sure, this is more precise and more correct. I wanted to say "It does unused things" :-) A bunch of NOPs probably would have the same effect. > value. This process doesn't even have any side-effects. It probably > doesn't even change the load locations of the shared libraries, though > I haven't checked that. All it does is shift some of the dynamic > linker code up by a few bytes. > > When we looked at this before, I think we decided the NIS code must be > reading from a garbage address that happened to fall into the dynamic > linker. That still seems the most likely explanation. Yes, as I told O. Hartmann in private mail, it probably has nothing to do with the dynamic linker. But I am really clueless of where to look in the NIS code... -Andre To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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