From owner-freebsd-stable@FreeBSD.ORG  Wed Oct 30 04:59:31 2013
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTP id 4C7BFFCF
 for <freebsd-stable@freebsd.org>; Wed, 30 Oct 2013 04:59:31 +0000 (UTC)
 (envelope-from adrian.chadd@gmail.com)
Received: from mail-qc0-x22c.google.com (mail-qc0-x22c.google.com
 [IPv6:2607:f8b0:400d:c01::22c])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 0D588232B
 for <freebsd-stable@freebsd.org>; Wed, 30 Oct 2013 04:59:30 +0000 (UTC)
Received: by mail-qc0-f172.google.com with SMTP id c9so528650qcz.17
 for <freebsd-stable@freebsd.org>; Tue, 29 Oct 2013 21:59:30 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=mime-version:sender:in-reply-to:references:date:message-id:subject
 :from:to:cc:content-type:content-transfer-encoding;
 bh=M4Ygy8qXpzR4gRQibxldR49CJ8fix5ieZKLf3u3pvF0=;
 b=jJAuqDPCW+cIsC6ZKMHCsGwFfhS8sKLtv71tGPQV8CJIa2YdYT6HxeRp4pwzPKwOfd
 l/wVX9nbPNp9L+1FYOKe6EynJxhZvBq5GLlxku1o/aU6qzR2/DWmdx6eecs4tls2vKOW
 V26ts+zY4o996NYCjeaZiLNQoiNWdTr7qVMKnGMt8lUjrywHcOEoNQjVyeitpuyQvECg
 +I+MW5dotvRP5ScTh027ZMnFxzDQK8Hs6QJdcUXc4785zaw23a1Y61fxpDGtY16byCPC
 uMfrKn4oUEpDmpEjuAeetaHjPuWWoNjE6bvnapCjjHKRXQe7mFV2TBnmoO5ZxqAqE+8c
 mI4w==
MIME-Version: 1.0
X-Received: by 10.224.161.146 with SMTP id r18mr5357629qax.57.1383109170133;
 Tue, 29 Oct 2013 21:59:30 -0700 (PDT)
Sender: adrian.chadd@gmail.com
Received: by 10.224.207.66 with HTTP; Tue, 29 Oct 2013 21:59:30 -0700 (PDT)
In-Reply-To: <E5E8DE91-F977-421E-95AD-EAD1A087BDEA@wallbridge.net>
References: <E5E8DE91-F977-421E-95AD-EAD1A087BDEA@wallbridge.net>
Date: Tue, 29 Oct 2013 21:59:30 -0700
X-Google-Sender-Auth: N5GnTgI7KQ5bhRUBfL2ZGNnLOK4
Message-ID: <CAJ-Vmoke0goQxArD5BPvo1PK4hAd3euVOME4pBCD+douqo6nww@mail.gmail.com>
Subject: Re: 9.2-RELEASE Kernel panic, mbuf underflow
From: Adrian Chadd <adrian@freebsd.org>
To: Shawn Wallbridge <shawn@wallbridge.net>
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: quoted-printable
Cc: FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/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: Wed, 30 Oct 2013 04:59:31 -0000

Hi,

How about adding

options INVARIANTS

.. to the kernel config, compile and reboot?


-adrian



On 29 October 2013 21:37, Shawn Wallbridge <shawn@wallbridge.net> wrote:
> I have a file server that keeps panic=92ing with a mbuf cluster in the 17=
 Quadrillion range (2^64 - 2). I am pretty sure it=92s a buffer underflow.
>
> I have opened a PR, but I haven=92t had any movement on it. This happened=
 while I was running 9.1-RELEASE as well.
>
> Here is the PR..
>
> http://www.freebsd.org/cgi/query-pr.cgi?pr=3D183424
>
> And I have uploaded the crash dumps here..
>
> http://www.wallbridge.net/crash/
>
> If anyone has any ideas, I would be grateful as this is a production box =
and it=92s really impacting us.
>
> shawn
>
>
> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"