kern/97595: FreeBSD 6.1-RELEASE - "lockmgr: locking against myself"

[Kris Kennaway]

The following reply was made to PR kern/97595; it has been noted by GNATS.

From: Kris Kennaway <kris at obsecurity.org>
To: Roman Petrukhine <roman at comstar.ru>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: kern/97595: FreeBSD 6.1-RELEASE - "lockmgr: locking against myself"
Date: Thu, 25 May 2006 04:39:00 -0400

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 On Mon, May 22, 2006 at 08:38:50AM +0000, Roman Petrukhine wrote:
 
 > An attempt to use union_fs in 6.1-RELEASE
 > produce a  "panic: lockmgr: locking against myself".
 > I know about union_fs instability, but from early 4.x to 5.3-RELEASE=20
 > all of this works fine and stable, and used by me to manage read-only sys=
 tem
 > binary tree under user's jails.
 
 This will not be fixed as such, since the CVS implementation of
 unionfs is dead and broken.  However you should try the rewrite that
 is available as an uncommitted patch (search the fs@ mailing list
 archives), and report further problems to the authors.
 
 Kris
 
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