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From: John Baldwin <jhb@freebsd.org>
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Cc: Randall Stewart <rrs@cisco.com>
Subject: Re: Interesting lock issue mtx_flags = 0x6?
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On Monday 04 September 2006 08:04, Randall Stewart wrote:
> Never mind.. I think I just figiured it out.. its
> a foo-bar on my part :-D

Yeah, that constant is MTX_DESTROYED which is written into mtx_lock in 
mtx_destroy() so that any later mtx_lock's will hang or panic. :)

-- 
John Baldwin