Date: Sun, 3 Aug 2003 10:44:02 +0930 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Terry Lambert <tlambert2@mindspring.com> Cc: current@freebsd.org Subject: Re: Yet another crash in FreeBSD 5.1 Message-ID: <20030803011402.GK95375@wantadilla.lemis.com> In-Reply-To: <3F2C5D2B.F8382BCA@mindspring.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>
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--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--
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