From owner-freebsd-hackers Mon May 22 10:57:54 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id KAA00683 for hackers-outgoing; Mon, 22 May 1995 10:57:54 -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 KAA00677 for ; Mon, 22 May 1995 10:57:50 -0700 Received: (from rgrimes@localhost) by gndrsh.aac.dev.com (8.6.11/8.6.9) id KAA05233; Mon, 22 May 1995 10:57:23 -0700 From: "Rodney W. Grimes" Message-Id: <199505221757.KAA05233@gndrsh.aac.dev.com> Subject: Re: Diagnostics for a hanging machine? To: mmead@Glock.COM (matthew c. mead) Date: Mon, 22 May 1995 10:57:23 -0700 (PDT) Cc: hackers@FreeBSD.org In-Reply-To: <199505221427.KAA09095@Glock.COM> from "matthew c. mead" at May 22, 95 10:27:15 am X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Length: 1173 Sender: hackers-owner@FreeBSD.org Precedence: bulk > > The ACM student chapter at Virginia Tech has a FreeBSD machine for > our members use which I administrate. Recently FreeBSD was installed on > this machine in favor of NetBSD, and we are experiencing frequent machine > hangs. It appears the hangs are hardware related, as they also occurred in > NetBSD. Unfortunately what happens is the machine gets frozen on a vty, > and does not go through a clean reboot. Does anyone know of a diagnostic > utility that could either constantly spew information to disk, or > (preferably) across the net to a machine that's more stable so we can find > out what's going on? Any help whatsoever is appreciated; we really need to > get the machine stable. Thanks! Infinite network copy: rcp /dev/zero someremotehost:/someremotedir/someremotefile Infinite disk copy: dd if=/dev/zero of=/somedir/somefile Could you go into gory details about what the hardware is so that I might be able to spot something that might lay a hand on just what it is that might be broken? -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Custom computers for FreeBSD