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To: ma@dt.e-technik.uni-dortmund.de
From: "M. Warner Losh" <imp@bsdimp.com>
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cc: current@freebsd.org
Subject: Re: Deadlock problems with 'kill PID' on CURRENT
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In message: <m3wtwmtyh4.fsf@merlin.emma.line.org>
            Matthias Andree <ma@dt.e-technik.uni-dortmund.de> writes:
: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au> writes:
: 
: > Robert, what is an NMI button ?
: 
: A button - usually on server and high-availability hardware,
: next to the RESET button. NMI is a non-maskable interrupt,
: i. e. one that software cannot opt out of.

Or you take a paperclip, and short out A1 and B1 together on the ISA
bus.  I have an old, cast off ISA card that I have rigged up in two
ways.  One: I have a switch, and two I have a one shot detector on the
// port that also brings #IOCHK low and then high...

Warner