From owner-freebsd-stable@FreeBSD.ORG Wed Nov 16 04:03:44 2005 Return-Path: X-Original-To: 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 AE86C16A41F for ; Wed, 16 Nov 2005 04:03:44 +0000 (GMT) (envelope-from jmg@hydrogen.funkthat.com) Received: from hydrogen.funkthat.com (gate.funkthat.com [69.17.45.168]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4180A43D45 for ; Wed, 16 Nov 2005 04:03:44 +0000 (GMT) (envelope-from jmg@hydrogen.funkthat.com) Received: from hydrogen.funkthat.com (localhost.funkthat.com [127.0.0.1]) by hydrogen.funkthat.com (8.13.3/8.13.3) with ESMTP id jAG41sZB022567; Tue, 15 Nov 2005 20:01:55 -0800 (PST) (envelope-from jmg@hydrogen.funkthat.com) Received: (from jmg@localhost) by hydrogen.funkthat.com (8.13.3/8.13.3/Submit) id jAG41qQ7022566; Tue, 15 Nov 2005 20:01:52 -0800 (PST) (envelope-from jmg) Date: Tue, 15 Nov 2005 20:01:52 -0800 From: John-Mark Gurney To: Kris Kennaway Message-ID: <20051116040152.GE79020@funkthat.com> Mail-Followup-To: Kris Kennaway , David Wolfskill , stable@freebsd.org References: <20051115103821.GJ39882@cirb503493.alcatel.com.au> <20051116020933.72951.qmail@web36209.mail.mud.yahoo.com> <20051116031835.GS69015@bunrab.catwhisker.org> <20051116033539.GA57529@xor.obsecurity.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051116033539.GA57529@xor.obsecurity.org> User-Agent: Mutt/1.4.2.1i X-Operating-System: FreeBSD 5.4-RELEASE-p6 i386 X-PGP-Fingerprint: B7 EC EF F8 AE ED A7 31 96 7A 22 B3 D8 56 36 F4 X-Files: The truth is out there X-URL: http://resnet.uoregon.edu/~gurney_j/ X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html Cc: stable@freebsd.org, David Wolfskill Subject: Re: Swapfile problem in 6? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: John-Mark Gurney List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Nov 2005 04:03:44 -0000 Kris Kennaway wrote this message on Tue, Nov 15, 2005 at 22:35 -0500: > > > What is this "serial BREAK"? > > > How do I "send a serial BREAK" at the serial > > > console? Is this some magic key combination? > > > > I'm probably saying something about my age by doing this.... :-} > > > > A "BREAK" (in serial communications) is an absence of start or stop > > bits for more than a character's worth of bits, is handled as a > > "framing error," and is distinct from any character. > > If your serial program has trouble sending a break, you can use the > ALT_BREAK_TO_DEBUGGER config option which instead listens for a > sequence of ascii input: > > #define KEY_CR 13 /* CR '\r' */ > #define KEY_TILDE 126 /* ~ */ > #define KEY_CRTLB 2 /* ^B */ ALT_BREAK_TO_DEBUGGER has an advantage over break is that some terminal servers and computers when you turn them off (or power is disconnected) will send a BREAK down the line, which can cause your machine to stop when you didn't want to.. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."