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To: Garry Belka <garry@NetworkPhysics.COM>
References: <42F3DC53.1060506@networkphysics.com>
From: des@des.no (=?iso-8859-1?q?Dag-Erling_Sm=F8rgrav?=)
Date: Tue, 16 Aug 2005 14:22:38 +0200
In-Reply-To: <42F3DC53.1060506@networkphysics.com> (Garry Belka's message of
	"Fri, 05 Aug 2005 14:38:27 -0700")
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Cc: freebsd-stable@freebsd.org
Subject: Re: 5.4-STABLE panic in propagate_priority() and a tentative patch
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Garry Belka <garry@NetworkPhysics.COM> writes:
> We saw several panics of the same kind on different systems running
> 5.4-STABLE. The panic was in propagate_priority() and was ultimately
> traced to vget() call in pfs_vncache_alloc(). vget() is called under
> global pfs mutex. When vget() sleeps, propagate_priority() in a
> different thread comes across a sleeping thread that owns a blocked
> mutex, and that causes a panic.

Could you please file a PR about this issue, with the patch attached?
(use 'send-pr -a /path/to/patch' to avoid clobbering whitespace)

DES
--=20
Dag-Erling Sm=F8rgrav - des@des.no