From owner-freebsd-bugs@FreeBSD.ORG  Wed Apr 18 04:10:09 2007
Return-Path: <owner-freebsd-bugs@FreeBSD.ORG>
X-Original-To: freebsd-bugs@hub.freebsd.org
Delivered-To: freebsd-bugs@hub.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 9FF2A16A401
	for <freebsd-bugs@hub.freebsd.org>;
	Wed, 18 Apr 2007 04:10:09 +0000 (UTC)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (freefall.freebsd.org [69.147.83.40])
	by mx1.freebsd.org (Postfix) with ESMTP id 517DD13C44B
	for <freebsd-bugs@hub.freebsd.org>;
	Wed, 18 Apr 2007 04:10:09 +0000 (UTC)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1])
	by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id l3I4A9r7040414
	for <freebsd-bugs@freefall.freebsd.org>; Wed, 18 Apr 2007 04:10:09 GMT
	(envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.13.4/8.13.4/Submit) id l3I4A9RP040413;
	Wed, 18 Apr 2007 04:10:09 GMT (envelope-from gnats)
Date: Wed, 18 Apr 2007 04:10:09 GMT
Message-Id: <200704180410.l3I4A9RP040413@freefall.freebsd.org>
To: freebsd-bugs@FreeBSD.org
From: Rong-En Fan <rafan@FreeBSD.org>
Cc: 
Subject: Re: kern/111766: "panic: ffs_blkfree: freeing free block" during
	disk activity
X-BeenThere: freebsd-bugs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: Rong-En Fan <rafan@FreeBSD.org>
List-Id: Bug reports <freebsd-bugs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-bugs>
List-Post: <mailto:freebsd-bugs@freebsd.org>
List-Help: <mailto:freebsd-bugs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 18 Apr 2007 04:10:09 -0000

The following reply was made to PR kern/111766; it has been noted by GNATS.

From: Rong-En Fan <rafan@FreeBSD.org>
To: Kris Kennaway <kris@obsecurity.org>
Cc: FreeBSD-gnats-submit@FreeBSD.org
Subject: Re: kern/111766: "panic: ffs_blkfree: freeing free block" during
	disk activity
Date: Wed, 18 Apr 2007 12:01:53 +0800

 On Tue, Apr 17, 2007 at 11:39:41PM -0400, Kris Kennaway wrote:
 > On Wed, Apr 18, 2007 at 11:19:08AM +0800, Rong-En Fan wrote:
 > > On our NFS server, this usually happens when one of the exported partitions
 > > gets full. I have seen this on 4.x, 5.x and 6.x. And I'm pretty sure the
 > > filesystem is in good state (I do fsck -fy every time after crash). The
 > > disk in question is an external raid box.
 > 
 > Interesting, can you repeat this on demand?
 
 I think I tried once but in vain. Some previous backtrace
 at http://www.rafan.org/FreeBSD/panic/freeing_free_block/
 I haven't see this since last Oct, but the filesystem does not
 get full recently (we got larger disks).
 
 From previous experience, usually the panic is triggered on
 the full partition but I saw once or twice that it's triggered
 on another non-full filesystem.
 
 Rong-En Fan