From owner-freebsd-net@FreeBSD.ORG Tue May 11 13:56:01 2010 Return-Path: Delivered-To: freebsd-net@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 874EC1065672; Tue, 11 May 2010 13:56:01 +0000 (UTC) (envelope-from gallatin@cs.duke.edu) Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by mx1.freebsd.org (Postfix) with ESMTP id 46E9A8FC22; Tue, 11 May 2010 13:56:01 +0000 (UTC) Received: from [172.31.193.10] (rrcs-98-101-145-84.midsouth.biz.rr.com [98.101.145.84]) (authenticated bits=0) by duke.cs.duke.edu (8.14.2/8.14.2) with ESMTP id o4BDtx56009313 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 11 May 2010 09:56:00 -0400 (EDT) X-DKIM: Sendmail DKIM Filter v2.8.3 duke.cs.duke.edu o4BDtx56009313 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=cs.duke.edu; s=mail; t=1273586160; bh=IHj1FoctcFXiXYQBCObrrQUEP5QvOs9dpS9hc6wLxww=; h=Message-ID:Date:From:MIME-Version:To:CC:Subject:References: In-Reply-To:Content-Type:Content-Transfer-Encoding; b=L76c7vDYh8wmvZaYLLSfZC1JFIYPkxUpmPC9SymZwGMWgtAa4DxQwbBpnbz5T91yy 0nrb8j8IlVegrMWonjURXdQDkis7nM6U8bXOIfiYzyM4szuH42LQhLToNTFbsMkBGA Qw5nEXa++6HxZcQweRK11NnIT3sQ08YTWxgsX0X8= Message-ID: <4BE961EA.2060806@cs.duke.edu> Date: Tue, 11 May 2010 09:55:54 -0400 From: Andrew Gallatin User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: David Malone References: <4BD885C6.10600@FreeBSD.org> <20100429204544.GC1286@arthur.nitro.dk> <1272998683.2406.38.camel@localhost.localdomain> <20100504190328.GC31196@valentine.liquidneon.com> <4BE80F07.8090309@cs.duke.edu> <4BE82011.6050009@cs.duke.edu> <20100511092000.GA12735@walton.maths.tcd.ie> In-Reply-To: <20100511092000.GA12735@walton.maths.tcd.ie> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: FreeBSD net mailing list , Ivan Voras , developers@FreeBSD.org Subject: Re: FreeBSD.org IPv6 issue - AAAA records disabled X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 May 2010 13:56:01 -0000 David Malone wrote: > On Mon, May 10, 2010 at 11:02:41AM -0400, Andrew Gallatin wrote: >> I think something may be holding onto an mbuf after free, >> then re-freeing it. But only after somebody else allocated >> it. I was hoping that the mbuf double free referenced >> above was the smoking gun, but it turns out that there isn't >> even a bge interface in my pr (just bce and mxge). > > Weren't there some bugs fixed recently that alowed the arp/ndp code > to free packets that weren't previously being freed? They'd be good > candidates for something that holds onto an mbuf for a while and > then frees it. Unfortunately, I think at least the PR I'm looking into pre-dates those fixes -- these problems started in r202120 (early Jan). I need to ask what he upgraded from. When did IPv6 become unstable for others? Drew