From owner-freebsd-hackers  Thu Dec  6 20:52: 6 2001
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To: Alfred Perlstein <bright@mu.org>
Subject: Re: Tracking down system freeze 
Cc: "PSI, Mike Smith" <mlsmith@mitre.org>, hackers@FreeBSD.ORG
In-reply-to: Your message of "Thu, 06 Dec 2001 13:14:24 CST."
		<20011206131424.T92148@elvis.mu.org> 
References: <20011206131424.T92148@elvis.mu.org>  <20011205144450.L92148@elvis.mu.org> <3C0E641B.F65BAC6@mitre.org> <20011205144450.L92148@elvis.mu.org> <200112060500.fB650MM86929@harmony.village.org> 
Date: Thu, 06 Dec 2001 21:52:00 -0700
From: Warner Losh <imp@harmony.village.org>
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In message <20011206131424.T92148@elvis.mu.org> Alfred Perlstein writes:
: * Warner Losh <imp@harmony.village.org> [011205 23:00] wrote:
: > In message <20011205144450.L92148@elvis.mu.org> Alfred Perlstein writes:
: > : What you do is fold a paperclip then use it to make the last
: > : two pins of the ISA bus short:
: > 
: > and it doesn't work on PCI bus, or any other bus than ISA (except
: > maybe EISA).  I have a small ISA card that I have connected to the
: > parallel port for remote NMI generation/reset.  But it is a gross
: > hack.
: 
: It will work so long as none of the busses leading from ISA to the
: cpu are locked up.  So it will work on a PCI system so long as the
: PCI bus or system bus is not locked.

No, I was saying that the PCI bus can't generate an NMI with a
paperclip.  That's all :-)

Warner

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