From owner-freebsd-hackers@FreeBSD.ORG  Fri Dec  2 04:08:21 2005
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
X-Original-To: freebsd-hackers@freebsd.org
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 4398316A41F
	for <freebsd-hackers@freebsd.org>; Fri,  2 Dec 2005 04:08:21 +0000 (GMT)
	(envelope-from imp@bsdimp.com)
Received: from harmony.bsdimp.com (vc4-2-0-87.dsl.netrack.net [199.45.160.85])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 8DCF043D62
	for <freebsd-hackers@freebsd.org>; Fri,  2 Dec 2005 04:08:20 +0000 (GMT)
	(envelope-from imp@bsdimp.com)
Received: from localhost (localhost.village.org [127.0.0.1] (may be forged))
	by harmony.bsdimp.com (8.13.3/8.13.3) with ESMTP id jB248Ac8065480;
	Thu, 1 Dec 2005 21:08:11 -0700 (MST) (envelope-from imp@bsdimp.com)
Date: Thu, 01 Dec 2005 21:08:47 -0700 (MST)
Message-Id: <20051201.210847.88001018.imp@bsdimp.com>
To: craig@tobuj.gank.org
From: "M. Warner Losh" <imp@bsdimp.com>
In-Reply-To: <20051202022014.GC15424@nowhere>
References: <20051202013146.GA15424@nowhere>
	<20051201.191110.19781274.imp@bsdimp.com>
	<20051202022014.GC15424@nowhere>
X-Mailer: Mew version 3.3 on Emacs 21.3 / Mule 5.0 (SAKAKI)
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0
	(harmony.bsdimp.com [127.0.0.1]);
	Thu, 01 Dec 2005 21:08:11 -0700 (MST)
Cc: freebsd-hackers@freebsd.org
Subject: Re: Weird PCI interrupt delivery problem
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 02 Dec 2005 04:08:21 -0000

In message: <20051202022014.GC15424@nowhere>
            Craig Boston <craig@tobuj.gank.org> writes:
: On Thu, Dec 01, 2005 at 07:11:10PM -0700, M. Warner Losh wrote:
: > In message: <20051202013146.GA15424@nowhere>
: >             Craig Boston <craig@tobuj.gank.org> writes:
: > : I suspect that really old 16-bit PCMCIA cards with non-sharable
: > : interrupts wouldn't work, but does NEWCARD even support those anyway?
: > 
: > Yes.  There's no such thing as a PCMCIA card whose interrupts are
: > non-sharable.  NEWCARD works great with them.
: 
: Heh, guess I shouldn't believe what I read on pages hosted at
: microsoft.com :)
: 
: http://www.microsoft.com/whdc/system/bus/cardbus/PCMCIA-IRQrouting.mspx
: (found via google search for "cardbus interrupt routing")
: 
: It's probably talking about legacy device drivers that didn't know how
: to properly share IRQs.

You are right.  It is talking about Legacy drivers that do the wrong
thing when they get an interrupt that's not for them.

Warner