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Date:      Thu, 7 Aug 2003 14:16:19 -0400 (EDT)
From:      Robert Watson <rwatson@freebsd.org>
To:        Ted Unangst <tedu@stanford.edu>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: possible deadlocks?
Message-ID:  <Pine.NEB.3.96L.1030807141440.20722A-100000@fledge.watson.org>
In-Reply-To: <Pine.GSO.4.44.0308061506120.29218-100000@saga0.Stanford.EDU>

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On Wed, 6 Aug 2003, Ted Unangst wrote:

> My advisor Dawson Engler has written a deadlock detector, and we'd like
> some verification. They look like bugs, unless there is some other
> reason why two call chains cannot happen at the same time. 

Neat -- sounds like two good catches given the responses so far.  Can we
expect more such reports forthcoming?  This kind of help will be
invaluable in finishing up the fine-grained locking work.  Alternatively,
do you plan to post the software?  Is this static or dynamic analysis? 
etc, etc?  :-)

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert@fledge.watson.org      Network Associates Laboratories




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