From owner-freebsd-current Mon Jul 3 03:04:14 1995 Return-Path: current-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id DAA27868 for current-outgoing; Mon, 3 Jul 1995 03:04:14 -0700 Received: from gndrsh.aac.dev.com (gndrsh.aac.dev.com [198.145.92.241]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id DAA27862 for ; Mon, 3 Jul 1995 03:04:09 -0700 Received: (from rgrimes@localhost) by gndrsh.aac.dev.com (8.6.11/8.6.9) id DAA18112; Mon, 3 Jul 1995 03:02:02 -0700 From: "Rodney W. Grimes" Message-Id: <199507031002.DAA18112@gndrsh.aac.dev.com> Subject: Re: spontaneous reboots ? To: imb@scgt.oz.au (michael butler) Date: Mon, 3 Jul 1995 03:02:02 -0700 (PDT) Cc: msmith@atrad.adelaide.edu.au, current@freebsd.org In-Reply-To: <199507030944.TAA12138@asstdc.scgt.oz.au> from "michael butler" at Jul 3, 95 07:44:46 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Length: 840 Sender: current-owner@freebsd.org Precedence: bulk > > Michael Smith writes: > > > > Just like those "fail-safe" circuits, I have a pair of machines which, > > > when I power up one of them, causes the other, adjacent to it and > > > running -current, to panic with a "trap 12: page not present" :-(. > > > At the instant that you power it up, or during the boot process? > > During the boot process shortly after the network card is initialised, > although I'm not sure precisely when as they share one display. > > > tcpdump on a third system would help if you suspect network interference. > > On a busy ethernet, that's going to be difficult :-( Not really, have tcpdump filter on the MAC address of the problem machine. -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Reliable computers for FreeBSD