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From: Lowell Gilbert <freebsd-current-local@be-well.ilk.org>
To: Boris Kochergin <spawk@acm.poly.edu>
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In-Reply-To: <4D2CC06A.8080408@acm.poly.edu> (Boris Kochergin's message of
	"Tue, 11 Jan 2011 15:41:14 -0500")
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Cc: David DEMELIER <demelier.david@gmail.com>, freebsd-current@freebsd.org,
	freebsd-chat@freebsd.org
Subject: Re: why panic(9) ?
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[Replies redirected.]

Boris Kochergin <spawk@acm.poly.edu> writes:

> All modern operating systems? Maybe some niche ones, like the ones
> that run on Mars rovers, have made progress towards formal
> verification and are believed not to crash given correctly-functioning
> hardware.

The Mars rovers run on VxWorks.  Which is a system I like, but it
isn't anything like formally verifiable.  And it certainly does the
equivalent of FreeBSD panic() under some circumstances.