From owner-freebsd-current Sat Oct 18 08:57:35 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id IAA23056 for current-outgoing; Sat, 18 Oct 1997 08:57:35 -0700 (PDT) (envelope-from owner-freebsd-current) Received: from eclogite.eps.nagoya-u.ac.jp (eclogite.eps.nagoya-u.ac.jp [133.6.57.67]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id IAA23049 for ; Sat, 18 Oct 1997 08:57:31 -0700 (PDT) (envelope-from kato@eclogite.eps.nagoya-u.ac.jp) Received: from gneiss.eps.nagoya-u.ac.jp (gneiss.eps.nagoya-u.ac.jp [133.6.57.99]) by eclogite.eps.nagoya-u.ac.jp (8.8.7/3.3W9) with ESMTP id AAA04787; Sun, 19 Oct 1997 00:59:18 +0900 (JST) Received: from marble.eps.nagoya-u.ac.jp (localhost [127.0.0.1]) by gneiss.eps.nagoya-u.ac.jp (8.8.7/3.5Wpl5) with ESMTP id AAA04904; Sun, 19 Oct 1997 00:57:11 +0900 (JST) Message-Id: <199710181557.AAA04904@gneiss.eps.nagoya-u.ac.jp> To: bde@zeta.org.au Cc: freebsd-current@freebsd.org, j@uriah.heep.sax.de Subject: Re: lockmgr panic From: KATO Takenori In-Reply-To: Your message of "Thu, 16 Oct 1997 15:09:25 +1000" References: <199710160509.PAA08005@godzilla.zeta.org.au> X-Mailer: Mew version 1.70 on Emacs 19.28.1 / Mule 2.3 X-PGP-Fingerprint: 03 72 85 36 62 46 23 03 52 B1 10 22 44 10 0D 9E Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Date: Sun, 19 Oct 1997 00:57:10 +0900 Sender: owner-freebsd-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > I think it substitutes panics with deadlock possibilities. Perhaps > the deadlocks are rare. I agree about possiblity of deadlock. The vn driver and ufs/ffs stuff are called recursively to operate one vnode. But, I cannot find condition where deadlock happens. ---- KATO Takenori Dept. Earth Planet. Sci., Nagoya Univ., Nagoya, 464-01, Japan PGP public key: finger kato@eclogite.eps.nagoya-u.ac.jp ------------------- Powered by FreeBSD(98) -------------------