From owner-freebsd-bugs  Thu Jan 10 11:21:14 2002
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Date: Thu, 10 Jan 2002 11:12:09 -0800 (PST)
From: <silby@FreeBSD.org>
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To: jfh@cise.ufl.edu, silby@FreeBSD.org, freebsd-bugs@FreeBSD.org
Subject: Re: kern/26896: Kernel panic during ktrace (vrele: negative ref cnt)
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Synopsis: Kernel panic during ktrace (vrele: negative ref cnt)

State-Changed-From-To: open->closed
State-Changed-By: silby
State-Changed-When: Thu Jan 10 11:11:54 PST 2002
State-Changed-Why: 
kern_ktrace 1.57 sounds like it fixes this problem:

Fix ktrace enablement/disablement races that can result in a vnode
ref count panic.

Bug noticed by: ps
Reviewed by:    ps
MFC after:      1 day

If somehow this can still be reproduced, the PR can be reopened.

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=26896

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