From owner-freebsd-stable@FreeBSD.ORG Sat Jul 16 16:57:18 2005 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9496016A41C for ; Sat, 16 Jul 2005 16:57:18 +0000 (GMT) (envelope-from rmk@toad.rmkhome.com) Received: from toad.rmkhome.com (toad.rmkhome.com [216.17.154.226]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2FC1043D45 for ; Sat, 16 Jul 2005 16:57:18 +0000 (GMT) (envelope-from rmk@toad.rmkhome.com) Received: (from rmk@localhost) by toad.rmkhome.com (8.11.6p2/8.11.6) id j6GGuv611492; Sat, 16 Jul 2005 10:56:57 -0600 (MDT) From: Rick Kelly Message-Id: <200507161656.j6GGuv611492@toad.rmkhome.com> In-Reply-To: <20050716150302.GA7695@wjv.com> To: bv@wjv.com Date: Sat, 16 Jul 2005 10:56:57 -0600 (MDT) X-Mailer: ELM [version 2.4ME+ PL93 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII Cc: freebsd-stable@freebsd.org, David Magda Subject: Re: dangerous situation with shutdown process X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: rmk@rmkhome.com List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 16 Jul 2005 16:57:18 -0000 Bill Vermillion said: >Actually I saw that documented a very very long time ago in >an Intel Unix manual. And Intel got out of Unix in the mid to late >1980s. I don't recall if that was the one that was sold to Kodak - >the picture people - which then was sold to Interactive ?? - and >eventually wound up at Sun. There were so many Unix variants >in those days you had to have a chart to keep up with them. Each >HW manufacturer had their own version and name, and at that time >the only time you could call your OS Unix was if you compiled >it directly from the AT&T tapes with no changes on a Vax [if I >recall the scenario correctly]. The main reason for sync;sync;sync on V7 UNIX was because you couldn't do a shutdown, only a halt to the hardware monitor, on the PDP11. You can verify that behavior with SIMH. :-) -- Rick Kelly rmk@rmkhome.com - the right to keep and bear arms - firearm forums