From owner-freebsd-stable  Fri Oct  3 23:35:12 1997
Return-Path: <owner-freebsd-stable>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.7/8.8.7) id XAA00898
          for stable-outgoing; Fri, 3 Oct 1997 23:35:12 -0700 (PDT)
Received: from dfw-ix7.ix.netcom.com (dfw-ix7.ix.netcom.com [206.214.98.7])
          by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id XAA00880
          for <stable@freebsd.org>; Fri, 3 Oct 1997 23:35:07 -0700 (PDT)
Received: (from smap@localhost)
          by dfw-ix7.ix.netcom.com (8.8.4/8.8.4)
	  id XAA08337 for <stable@freebsd.org>; Fri, 3 Oct 1997 23:39:13 -0500 (CDT)
Received: from sjx-ca28-20.ix.netcom.com(204.31.235.116) by dfw-ix7.ix.netcom.com via smap (V1.3)
	id rma008330; Fri Oct  3 23:38:53 1997
Received: (from asami@localhost) by blimp.mimi.com (8.8.7/8.6.9) id VAA00973; Fri, 3 Oct 1997 21:38:51 -0700 (PDT)
Date: Fri, 3 Oct 1997 21:38:51 -0700 (PDT)
Message-Id: <199710040438.VAA00973@blimp.mimi.com>
To: stable@freebsd.org
In-reply-to: <199710022229.PAA24859@vader.cs.berkeley.edu> (asami@cs.berkeley.edu)
Subject: Re: panic (dup alloc) in RELENG_2_2
From: asami@cs.berkeley.edu (Satoshi Asami)
Sender: owner-freebsd-stable@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

Here's another one.  A slightly older RELENG_2_2.  200MHz P6 with 96
MB of memory.  It is an NFS server of our cluster (as you can see
below).

Satoshi
-------
## gdb -k kernel.4 vmcore.4
GDB is free software and you are welcome to distribute copies of it
 under certain conditions; type "show copying" to see the conditions.
There is absolutely no warranty for GDB; type "show warranty" for details.
GDB 4.16 (i386-unknown-freebsd), 
Copyright 1996 Free Software Foundation, Inc...(no debugging symbols found)...
IdlePTD 205000
current pcb at 1e8a28
panic: ufs_ihashget: recursive lock not expected -- pid %d

#0  0xf0114e53 in boot ()
(kgdb) bt
#0  0xf0114e53 in boot ()
#1  0xf0115112 in panic ()
#2  0xf01a0501 in ufs_ihashget ()
#3  0xf019e673 in ffs_vget ()
#4  0xf01a31d7 in ufs_check_export ()
#5  0xf019e93b in ffs_fhtovp ()
#6  0xf01734bc in nfsrv_fhtovp ()
#7  0xf015d120 in nfsrv_write ()
#8  0xf0174730 in nfssvc_nfsd ()
#9  0xf0173e98 in nfssvc ()
#10 0xf01bde73 in syscall ()
#11 0x2945 in ?? ()
#12 0x107e in ?? ()