Date: Thu, 27 May 2004 14:51:44 -1000 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Robert Watson <rwatson@freebsd.org> Cc: David Magda <dmagda@ee.ryerson.ca> Subject: Re: how to interpret crash? Message-ID: <1085705504.977.118.camel@inchoate.localdomain> In-Reply-To: <Pine.NEB.3.96L.1040527194447.74482A-100000@fledge.watson.org> References: <Pine.NEB.3.96L.1040527194447.74482A-100000@fledge.watson.org>
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--=-V5qowGaoU/dKxg3jbEXt Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2004-05-27 at 13:55, Robert Watson wrote: > I don't debate your basic point that on a stable system, you're least > likely to find the symbols when you most need them, as the system will ru= n > fine for a long time and then run into some edge case, unusual hardware > failure mode, or whatever, and given that it's been stable for years, you > will find yourself with little debugging recourse. That's where tricks > like using nm to track down the symbols, turning on dumps by default, > compiling with the necessary DDB bits to generate a stack trace, etc, can > come in quite handy. I think turning on dumps by default is a good habit for sys admins to get into :) If the system dies and cores then you can rebuild your kernel with debugging symbols and see where it died. At least that's _supposed_ to work from what I've heard :) --=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --=-V5qowGaoU/dKxg3jbEXt Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQBAto0g5ZPcIHs/zowRAiSuAJ9L5MhHAwd838Xo+IPnOpVFIEV7AACfeoYZ aIKdsksrQKrHaFaG2tpT/54= =/Aex -----END PGP SIGNATURE----- --=-V5qowGaoU/dKxg3jbEXt--
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