From owner-freebsd-stable@FreeBSD.ORG  Mon Dec 15 02:02:11 2003
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id DA3ED16A4CE
	for <stable@freebsd.org>; Mon, 15 Dec 2003 02:02:11 -0800 (PST)
Received: from atlas.informatik.rwth-aachen.de
	(atlas.Informatik.RWTH-Aachen.DE [137.226.194.2])
	by mx1.FreeBSD.org (Postfix) with ESMTP id CEAAF43D31
	for <stable@freebsd.org>; Mon, 15 Dec 2003 02:02:09 -0800 (PST)
	(envelope-from stolz@i2.informatik.rwth-aachen.de)
Received: from menelaos.informatik.rwth-aachen.de
	(menelaos.Informatik.RWTH-Aachen.DE [137.226.194.73])
	8.11.1-0.5-michaelw-20030918) with ESMTP id hBFA28e29927
	for <stable@freebsd.org>; Mon, 15 Dec 2003 11:02:08 +0100
Received: (from stolz@localhost)hBFA28k4009090
	for stable@freebsd.org; Mon, 15 Dec 2003 11:02:08 +0100 (CET)
	(envelope-from stolz)
Date: Mon, 15 Dec 2003 11:02:08 +0100
From: Volker Stolz <stolz@i2.informatik.rwth-aachen.de>
To: stable@freebsd.org
Message-ID: <20031215100208.GA9079@i2.informatik.rwth-aachen.de>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
X-PGP-Key: finger vs@foldr.org
X-PGP-Id: 0x3FD1B6B5
User-Agent: Mutt/1.5.4i
Subject: invalid wire count-panic on invalid media
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Production branch of FreeBSD source code
	<freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 15 Dec 2003 10:02:12 -0000

This crash was caused while copying from a zonked floppy to NFS.
Should a read error really be able to cause this?

FreeBSD menelaos.informatik.rwth-aachen.de 4.9-STABLE FreeBSD 4.9-STABLE #12: Mon Dec  8 15:14:27 CET 2003     root@menelaos.informatik.rwth-aachen.de:/usr/obj/usr/src/sys/MENELAOS  i386

IdlePTD at physical address 0x0042f000
initial pcb at physical address 0x0035dbc0
panicstr: vm_page_free: invalid wire count (4), pindex: 0x3
panic messages:
---
panic: vm_page_free: invalid wire count (4), pindex: 0x3
                                                                                                                             
syncing disks... 67 13 11 11 11 11 11 11 11 11 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
giving up on 1 buffers
Uptime: 6d15h42m23s
                                                                                                                             
dumping to dev #ad/0x20001, offset 2065696
dump ata0: resetting devices .. done
1023..0
---
#0  0xc017f152 in dumpsys ()
(kgdb) bt
#0  0xc017f152 in dumpsys ()
#1  0xc017ef1c in boot ()
#2  0xc017f350 in poweroff_wait ()
#3  0xc0284e1f in vm_page_free_toq ()
#4  0xc027ccf1 in vm_fault ()
#5  0xc02caa8f in trap_pfault ()
#6  0xc02ca6df in trap ()
#7  0xc02c96d1 in generic_copyin ()
#8  0xc0221c95 in nfs_write ()
#9  0xc01b590e in vn_write ()
#10 0xc018e972 in dofilewrite ()
#11 0xc018e823 in write ()
#12 0xc02cb0f5 in syscall2 ()
#13 0xc02bc475 in Xint0x80_syscall ()
#14 0x8048aa5 in ?? ()
#15 0x8048566 in ?? ()
#16 0x804813e in ?? ()