From owner-freebsd-current@FreeBSD.ORG Sun Jun 17 07:33:10 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7C1B516A41F for ; Sun, 17 Jun 2007 07:33:10 +0000 (UTC) (envelope-from youshi10@u.washington.edu) Received: from mxout5.cac.washington.edu (mxout5.cac.washington.edu [140.142.32.135]) by mx1.freebsd.org (Postfix) with ESMTP id 57F6413C48C for ; Sun, 17 Jun 2007 07:33:10 +0000 (UTC) (envelope-from youshi10@u.washington.edu) Received: from smtp.washington.edu (smtp.washington.edu [140.142.32.141] (may be forged)) by mxout5.cac.washington.edu (8.13.7+UW06.06/8.13.7+UW07.05) with ESMTP id l5H7X9Uh032321 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Sun, 17 Jun 2007 00:33:10 -0700 X-Auth-Received: from [192.168.10.45] (c-24-10-12-194.hsd1.ca.comcast.net [24.10.12.194]) (authenticated authid=youshi10) by smtp.washington.edu (8.13.7+UW06.06/8.13.7+UW07.03) with ESMTP id l5H7X9Vn015375 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Sun, 17 Jun 2007 00:33:09 -0700 Message-ID: <4674E3B4.5030103@u.washington.edu> Date: Sun, 17 Jun 2007 00:33:08 -0700 From: Garrett Cooper User-Agent: Thunderbird 2.0.0.4 (Windows/20070604) MIME-Version: 1.0 To: freebsd-current@freebsd.org References: <20070617024935.GU4602@funkthat.com> <20070616.211257.1585999818.imp@bsdimp.com> <20070617053746.GV4602@funkthat.com> <20070616.235659.-1947354616.imp@bsdimp.com> <20070617071303.GG12027@obelix.dsto.defence.gov.au> In-Reply-To: <20070617071303.GG12027@obelix.dsto.defence.gov.au> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-PMX-Version: 5.3.1.294258, Antispam-Engine: 2.5.1.298604, Antispam-Data: 2007.6.17.1433 X-Uwash-Spam: Gauge=IIIIIII, Probability=7%, Report='__CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __HAS_MSGID 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __SANE_MSGID 0, __USER_AGENT 0' Subject: Re: kernel panic with pccard insert on recent 7.0 CURRENT X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Jun 2007 07:33:10 -0000 Wilkinson, Alex wrote: > 0n Sat, Jun 16, 2007 at 11:56:59PM -0600, M. Warner Losh wrote: > > >Yes. I'm pretty sure that's wrong. All ISA and PC Card devices use > >edge triggered interrupts. Also, it is inefficient for level > >triggered interrupts, since two interrupt sources on the same > >interrupt may trigger at about the same time... > > What is meant by "edge triggered interrupts" ? > > -aW > I'd assume 'edge triggered interrupts' mean interrupts which occur on some sort of clock edge, most likely dealing with a clock base required for setup, or predefined by the designers for some other reason. -Garrett