Date: Sat, 30 Oct 1999 21:26:56 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: imp@village.org (Warner Losh) Cc: doconnor@gsoft.com.au, chris@netmonger.net, freebsd-arch@freebsd.org Subject: Re: Racing interrupts Message-ID: <199910302126.OAA00988@usr06.primenet.com> In-Reply-To: <199910271627.KAA64604@harmony.village.org> from "Warner Losh" at Oct 27, 99 10:27:34 am
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> In message <XFMail.991027174158.doconnor@gsoft.com.au> "Daniel > O'Connor" writes: > : Doesn't powering down the card work? > : Or does that pull the rug too? > > It depends. You need to detach the driver from the system, and then > you can safely remove power from the card. This usually will generate > an unfielded interrupt (since the card will have detached its ISR from > the vector), but that's usually the worst of it. Why will this generate an unfielded interrupt? Specifically, if the card has been correctly shut down before (or as a part of) the detach process, why would it generate an interrupt? Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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