Date: Mon, 17 Apr 2000 10:57:13 -0700 (PDT) From: Frank Mayhar <frank@exit.com> To: chad@DCFinc.com Cc: frank@exit.com, crichard-freebsd@wso.williams.edu, freebsd-stable@FreeBSD.ORG, cg@FreeBSD.ORGG Subject: Re: Sound Blaster Live! 4.0 (Re: 4.1 date?) Message-ID: <200004171757.KAA00864@realtime.exit.com> In-Reply-To: <200004171728.KAA27999@freeway.dcfinc.com> from "Chad R. Larson" at "Apr 17, 2000 10:28:02 am"
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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
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