From owner-freebsd-hackers Tue Jan 16 21: 6:27 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from netau1.alcanet.com.au (ntp.alcanet.com.au [203.62.196.27]) by hub.freebsd.org (Postfix) with ESMTP id 3B58B37B400 for ; Tue, 16 Jan 2001 21:06:07 -0800 (PST) Received: from mfg1.cim.alcatel.com.au (mfg1.cim.alcatel.com.au [139.188.23.1]) by netau1.alcanet.com.au (8.9.3 (PHNE_22672)/8.9.3) with ESMTP id QAA02734; Wed, 17 Jan 2001 16:05:55 +1100 (EDT) Received: from gsmx07.alcatel.com.au by cim.alcatel.com.au (PMDF V5.2-32 #37645) with ESMTP id <01JZ0PXJHX5CGKU73L@cim.alcatel.com.au>; Wed, 17 Jan 2001 16:05:55 +1100 Received: (from jeremyp@localhost) by gsmx07.alcatel.com.au (8.11.0/8.11.0) id f0H55mZ07348; Wed, 17 Jan 2001 16:05:48 +1100 (EST envelope-from jeremyp) Content-return: prohibited Date: Wed, 17 Jan 2001 16:05:48 +1100 From: Peter Jeremy Subject: Re: What to do if a box is just "frozen" To: thierry.herbelot@free.fr Cc: freebsd-hackers@FreeBSD.ORG Message-id: <20010117160547.C98607@gsmx07.alcatel.com.au> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-disposition: inline User-Agent: Mutt/1.2.5i Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, 15 Jan 2001 23:01:15 +0100, Thierry Herbelot wrote: >I've got a little application at work which can "just freeze" a >4.2-Release : the purpose of the application is just a packet blaster >used for telecom equipement test (send as many UDP packets as ordered, >on as many interfaces as there are on a machine). > >So, on my 4.2-R test box (no-thrills BX, P-III 700 intel box), I have >some tens (around 30 of them) of such processes sending their packets, >and after some time (I have to more precisely determine this "some >time"), the box simply locks. >I do not see any message on console. What network card(s) are you using? What other cards/devices are in the box? Can you send an NMI to the box? (NMI can usually be generated by pulling I/0 channel check on the ISA bus low. I/0 channel check is pin A1 (and there's a convenient ground on pin B1). ([AB]1 is the pins closest to the rear of the machine). NMI should trap to DDB. Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message