From owner-freebsd-questions Mon May 20 05:39:31 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id FAA14953 for questions-outgoing; Mon, 20 May 1996 05:39:31 -0700 (PDT) Received: from mail.rwth-aachen.de (mail.RWTH-Aachen.DE [137.226.144.9]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id FAA14948 for ; Mon, 20 May 1996 05:39:20 -0700 (PDT) Received: from gilberto.physik.rwth-aachen.de (gilberto.physik.rwth-aachen.de) by mail.rwth-aachen.de (PMDF V5.0-4 #13110) id <01I4XFT65YVK001FUQ@mail.rwth-aachen.de>; Mon, 20 May 1996 12:21:31 +0100 Received: (from kuku@localhost) by gilberto.physik.rwth-aachen.de (8.6.11/8.6.9) id MAA26738; Mon, 20 May 1996 12:27:57 +0200 Date: Mon, 20 May 1996 12:27:55 +0200 (MET DST) From: "Christoph P. Kukulies" Subject: Re: Possible BUG In-reply-to: <31A03369.41C67EA6@cimio.co.uk> To: martin@cimio.co.uk (Martin Miles) Cc: questions@FreeBSD.ORG Reply-to: Christoph Kukulies Message-id: <199605201027.MAA26738@gilberto.physik.rwth-aachen.de> MIME-version: 1.0 X-Mailer: ELM [version 2.4ME+ PL16 (25)] Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7bit Sender: owner-questions@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > Can you help me diagnose a problem that I seem to have with Free BSD. > > I installed FreeBSD from src.doc.ic.ac.uk early in May and have used it for > the past few weeks. My problem is this: at seemingly random times and > without notice the computer reboots. (As if the reset button was pressed). Are you running X11? Are you running certain sort of programs under which this reboot happens? Is it a VLB or ISA wd controller? Cheap wd controllers are often cause for instabilities. > > This problem does NOT occur in DOS, and so I think that there may be a > software problem in BSD. This conclusion is not quite justified. A unix system like FreeBSD imposes another dimension of load to your hardware. It uses a lot more of the hardware than DOS normally does. Fully utilizes all the memory you have. Uses DMA, interrupts etc. > > Do you know of any bug which may cause this, or have you had any similar > reports ? > > Free BSD is installed on a brand new hard drive, set up to be the slave drive > in a two drive IDE system. The hard drive, being new, is a potential source > of the problem. Do you have any thoughts on this ? If I can't solve the > problem then I'm going to have to remove the BSD partitions and see if the > drive behaves itself in DOS. IDE hardware is nothing you should build reliable unix systems upon. Especially adding a drive later, possibly of another vendor might be the cause for incompatibilities. > > Thank you very much for any help which you can offer. > > Martin Miles. > > -- > > ---------------------------------------------------------------------- > | ==.===.== Computer Aided Design Brunel Science Park | > | C l M l O Software Coopers Hill Lane | > | --------- Englefield Green | > | M a r t i n M i l e s Surrey | > | TW20 OJZ | > | Tel : +44 (0)1784 438038 Fax : +44 (0)1784 472870 | > | Email : martin@cimio.co.uk Url : http://www.cimio.co.uk/~martin | > ---------------------------------------------------------------------- > --Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de