Date: Sun, 15 Aug 2004 07:24:19 +0930 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Eirik =?iso-8859-1?Q?=D8verby?= <ltning@anduin.net> Cc: current@freebsd.org Subject: Re: How to find the cause of a hang Message-ID: <20040814215419.GF19643@wantadilla.lemis.com> In-Reply-To: <26ECE35D-EDDB-11D8-945B-000D9335BCEC@anduin.net> References: <26ECE35D-EDDB-11D8-945B-000D9335BCEC@anduin.net>
next in thread | previous in thread | raw e-mail | index | archive | help
--zEb7RLSLB1wmPVHT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Saturday, 14 August 2004 at 12:17:31 +0200, Eirik verby wrote: > Hi all, > > I'm currently experiencing frequent (about once per week) hangs of a > server that is about 1500 kilometers away from me. I have a serial > cable on the box, and using minicom on the neighbor box I am now in the > kernel debugger - but I'm at a complete loss as to what to do to figure > out what is, in fact, wrong. > > Calling panic or boot doesn't work - it just stops at "syncing > disks..." and never actually reboots. I suspect something fishy going > on with disk I/O, but I can't be certain of that. > The box responds to ping - until I call panic or boot - but no other > services are working. > > What can I do? I'm now at the db> prompt ... Help :) Well, one possibility would be to debug online. But dumping seems to be broken on recent versions of -CURRENT--see my message on the topic yesterday. Try 'call doadump' instead of 'panic'. Greg -- Note: I discard all HTML mail unseen. Finger grog@FreeBSD.org for PGP public key. See complete headers for address and phone numbers. --zEb7RLSLB1wmPVHT Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (FreeBSD) iD8DBQFBHooLIubykFB6QiMRAgKLAKCyS+PPJTJkZ4Rp9q9PQbdrSjECFgCffG53 rzhh9MLfh7fTrItgLAO4Z4s= =caJD -----END PGP SIGNATURE----- --zEb7RLSLB1wmPVHT--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040814215419.GF19643>