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Date:      Thu, 16 Oct 1997 15:09:25 +1000
From:      Bruce Evans <bde@zeta.org.au>
To:        freebsd-current@FreeBSD.ORG, j@uriah.heep.sax.de
Subject:   Re: lockmgr panic
Message-ID:  <199710160509.PAA08005@godzilla.zeta.org.au>

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>Speaking of bandaids, would anybody mind me committing Mr. KATO's
>fix/hack?  (Of course, unless he's going to commit it himself.)  The
>patch seems to solve the vn(4) lockmgr problem.

I think it substitutes panics with deadlock possibilities.  Perhaps
the deadlocks are rare.

>I haven't made a release on a 2.2.5-BETA system lately.  If the
>problem there is the same, i would vote for moving the fix there as

I think the problem is the same but the symptoms are worse - endless
recursion and at best a panic for a double fault.

Bruce



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