From owner-freebsd-mobile@FreeBSD.ORG Tue Jul 25 10:54:57 2006 Return-Path: X-Original-To: freebsd-mobile@freebsd.org Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 12E8F16A4DF for ; Tue, 25 Jul 2006 10:54:57 +0000 (UTC) (envelope-from jhs@flat.berklix.net) Received: from thin.berklix.org (thin.berklix.org [194.246.123.68]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6F3A943D45 for ; Tue, 25 Jul 2006 10:54:56 +0000 (GMT) (envelope-from jhs@flat.berklix.net) Received: from js.berklix.net (p549A51C1.dip.t-dialin.net [84.154.81.193]) (authenticated bits=128) by thin.berklix.org (8.12.11/8.12.11) with ESMTP id k6PAsqGd037164; Tue, 25 Jul 2006 12:54:53 +0200 (CEST) (envelope-from jhs@flat.berklix.net) Received: from fire.jhs.private (fire.jhs.private [192.168.91.41]) by js.berklix.net (8.12.11/8.12.11) with ESMTP id k6PAsnEs002234; Tue, 25 Jul 2006 12:54:50 +0200 (CEST) (envelope-from jhs@flat.berklix.net) Received: from fire.jhs.private (localhost.jhs.private [127.0.0.1]) by fire.jhs.private (8.13.1/8.13.1) with ESMTP id k6PAsnSD004602; Tue, 25 Jul 2006 12:54:49 +0200 (CEST) (envelope-from jhs@fire.jhs.private) Message-Id: <200607251054.k6PAsnSD004602@fire.jhs.private> To: Ian Smith In-Reply-To: Message from Ian Smith of "Tue, 25 Jul 2006 18:46:21 +1000." Date: Tue, 25 Jul 2006 12:54:49 +0200 From: "Julian H. Stacey" Cc: "Douglas W. Goodall" , freebsd-mobile@freebsd.org Subject: Re: Doug's method for suppressing stray interrupt logging X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Jul 2006 10:54:57 -0000 Ian Smith wrote: > Hi Doug, > Hmm, perhaps I'm misremembering, but I was pretty sure the AT 2nd PIC > was connected to IRQ _2_ on the first, Yes. > thus elevating the priority of > irqs 8-15 above those of irq 3-7, generally (then at least) used for > slower devices like serial comms and lpt? Hence IRQ2/IRQ9 confusion? According to the back of my business card :-) http://berklix.com/~jhs/cv/#card High Pri.: 0, 1, 2, 8, 9, 10, 11, 12, 13, 14, 15, 3, 4, 5, 6, 7 Low Pri. Ref. page 53 of "Open Technologies Service Group" handbook ISBN 0-929392-36-1 otsgroup@knoware.nl IRQ 2 is fed by 2nd IRQ controller http://www.rtcbooks.com/internalpc.php -- Julian Stacey. Consultant Unix Net & Sys. Eng., Munich. http://berklix.com Mail in Ascii, HTML=spam. Ihr Rauch = mein allergischer Kopfschmerz.