From owner-freebsd-stable Wed Feb 12 9:10:11 2003 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 76A0137B401 for ; Wed, 12 Feb 2003 09:10:09 -0800 (PST) Received: from lurza.secnetix.de (lurza.secnetix.de [212.66.1.130]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3A68443F75 for ; Wed, 12 Feb 2003 09:10:08 -0800 (PST) (envelope-from olli@lurza.secnetix.de) Received: from lurza.secnetix.de (localhost [IPv6:::1]) by lurza.secnetix.de (8.12.6/8.12.5) with ESMTP id h1CHA4dK038387 for ; Wed, 12 Feb 2003 18:10:05 +0100 (CET) (envelope-from oliver.fromme@secnetix.de) Received: (from olli@localhost) by lurza.secnetix.de (8.12.6/8.12.5/Submit) id h1CHA465038386; Wed, 12 Feb 2003 18:10:04 +0100 (CET) Date: Wed, 12 Feb 2003 18:10:04 +0100 (CET) Message-Id: <200302121710.h1CHA465038386@lurza.secnetix.de> From: Oliver Fromme To: freebsd-stable@FreeBSD.ORG Reply-To: freebsd-stable@FreeBSD.ORG Subject: Re: PCI oddity In-Reply-To: <3E4A6FFE.409@mitre.org> X-Newsgroups: list.freebsd-stable User-Agent: tin/1.5.4-20000523 ("1959") (UNIX) (FreeBSD/4.7-RELEASE (i386)) MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Jason Andresen wrote: > Bill Moran wrote: >> Jason Andresen wrote: >>> I'm still curious if this is a problem with FreeBSD, with my >>> motherboard, or with the Cards themselves. Is it unusual for a card >>> to share nicely? Not one manual for any of my cards even mentions IRQ >>> sharing. >> >> >> Then they probably don't. IRQ sharing is one of those things that cards >> usually brag about if they support. >> >> If you have non-sharing cards trying to use a shared interrupt, it won't >> work. Crashes don't surprise me under these circumstances. > > What would I be looking for on the box/datasheet/whitepaper to find if a > card supports sharing? Interrupt-sharing is a standard PCI feature. If a card claims PCI conformance, it must support interrupt sharing. If it doesn't support it, I'd consider it broken (either the card or the mainboard). I've seen interrupt sharing a lot on various machines, and never had any problems so far. Regards Oliver -- Oliver Fromme, secnetix GmbH & Co KG, Oettingenstr. 2, 80538 München Any opinions expressed in this message may be personal to the author and may not necessarily reflect the opinions of secnetix in any way. "All that we see or seem is just a dream within a dream" (E. A. Poe) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message