From owner-freebsd-stable Mon Apr 17 10:57:21 2000 Delivered-To: freebsd-stable@freebsd.org Received: from tinker.exit.com (exit-gw.power.net [207.151.46.196]) by hub.freebsd.org (Postfix) with ESMTP id 0398C37B770 for ; Mon, 17 Apr 2000 10:57:16 -0700 (PDT) (envelope-from frank@exit.com) Received: from realtime.exit.com (realtime.exit.com [206.223.0.5]) by tinker.exit.com (8.9.3/8.9.3) with ESMTP id KAA71790; Mon, 17 Apr 2000 10:57:14 -0700 (PDT) (envelope-from frank@exit.com) Received: (from frank@localhost) by realtime.exit.com (8.9.3/8.9.3) id KAA00864; Mon, 17 Apr 2000 10:57:13 -0700 (PDT) (envelope-from frank) From: Frank Mayhar Message-Id: <200004171757.KAA00864@realtime.exit.com> Subject: Re: Sound Blaster Live! 4.0 (Re: 4.1 date?) In-Reply-To: <200004171728.KAA27999@freeway.dcfinc.com> from "Chad R. Larson" at "Apr 17, 2000 10:28:02 am" To: chad@DCFinc.com Date: Mon, 17 Apr 2000 10:57:13 -0700 (PDT) Cc: frank@exit.com, crichard-freebsd@wso.williams.edu, freebsd-stable@FreeBSD.ORG, cg@FreeBSD.ORGG Reply-To: frank@exit.com Organization: Exit Consulting X-Copyright0: Copyright 2000 Frank Mayhar. All Rights Reserved. X-Copyright1: Permission granted for electronic reproduction as Usenet News or email only. X-Mailer: ELM [version 2.4ME+ PL68 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Chad R. Larson wrote: > As I recall, Frank Mayhar wrote: > > Well, I'm guessing that it's the card itself generating the NMIs > > because it wasn't initialized correctly by the driver. Of course, > > Cameron should be the one to answer this, and so far I haven't seen > > him chime in. > Except most PC hardware has no trace on the buss for NMI; add in > cards can't generate it. Well, yeah. I guess I left out the word "indirectly" between "itself" and "generating." > > ECC memory seems to be the common denominator; it may be that the card > > is doing Bad Things to the bus during memory accesses. I don't know, > > I don't have specs for the card so I can't really make any kind of > > educated guess, but I certainly hope this helps Cameron figure it out. > That's the big hint. NMIs are generated when error correcting (ECC) > or error detecting (parity) memory has an uncorrected error. > > Does this card have on-board memory? Or is it doing DMA transfers? My bet is it's doing DMA but I don't know for certain. I'm going to try to pry some information out of Creative today. Scream and groan and invoke the name of my employer. "Compaq" has that 800-pound-gorilla effect at times. Claim it's for Linux and therefore it's gotta be open-source. Not entirely misleading, either, we've got a number of Linux projects going on. -- Frank Mayhar frank@exit.com http://www.exit.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message