From owner-freebsd-current@FreeBSD.ORG Sat Aug 2 18:14:08 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1938837B401 for ; Sat, 2 Aug 2003 18:14:08 -0700 (PDT) Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6E62843FBF for ; Sat, 2 Aug 2003 18:14:06 -0700 (PDT) (envelope-from grog@lemis.com) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id A1F47526A4; Sun, 3 Aug 2003 10:44:02 +0930 (CST) Date: Sun, 3 Aug 2003 10:44:02 +0930 From: Greg 'groggy' Lehey To: Terry Lambert Message-ID: <20030803011402.GK95375@wantadilla.lemis.com> References: <1079.192.168.0.3.1059811884.squirrel@webmail.aminor.no> <3F2B803C.21D38E0B@mindspring.com> <1886375.1059842833@[192.168.0.2]> <3F2C5D2B.F8382BCA@mindspring.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="0qVF/w3MHQqLSynd" Content-Disposition: inline In-Reply-To: <3F2C5D2B.F8382BCA@mindspring.com> User-Agent: Mutt/1.4i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 9A1B 8202 BCCE B846 F92F 09AC 22E6 F290 507A 4223 cc: current@freebsd.org Subject: Re: Yet another crash in FreeBSD 5.1 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Aug 2003 01:14:08 -0000 --0qVF/w3MHQqLSynd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Saturday, 2 August 2003 at 17:54:03 -0700, Terry Lambert wrote: > Eivind Olsen wrote: >> (kgdb) list *(launch_requests+448) >> No symbol "launch_requests" in current context. >> (kgdb) list *(vinumstart+2b2) >> No symbol "vinumstart" in current context. >> (kgdb) >> >> If anyone wants to take a look at this themselves I've put the compressed >> (gzip) debug-kernel available on >> http://eivind.aminor.no/debug/kernel.debug.gz >> NOTE! It's approx. 13MB compressed! > > If this is repeatable for you, it's recommended that you compile > Vinum statically into your kernel, so that you can look at the > other symbols in the traceback and obtain source lines for them, > as well. No. It is explicitly discouraged. > It may be that this will be debuggable without that information, but > in my experience with similar problems, without a list of arguments > to the functions from a live remote debug session and/or a > crashdump, the problem is going to have to be found by an engineer > eyeballing the call graph and seeing how that particular line could > end up with a NULL in bp2 or bp. Terry hasn't read the debug instructions. You can load symbols from klds. See the links I pointed to. Greg -- See complete headers for address and phone numbers --0qVF/w3MHQqLSynd Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (FreeBSD) iD8DBQE/LGHaIubykFB6QiMRAq8gAKCtaHrk+C90oU1PM8IvtahYunR3nACfR5t6 vmm0LMLZQdzqRSxWRb+gHIc= =Klg0 -----END PGP SIGNATURE----- --0qVF/w3MHQqLSynd--