From owner-svn-src-head@FreeBSD.ORG Tue Sep 1 21:50:41 2009 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 52DC7106568B; Tue, 1 Sep 2009 21:50:41 +0000 (UTC) (envelope-from ivoras@gmail.com) Received: from ey-out-2122.google.com (ey-out-2122.google.com [74.125.78.27]) by mx1.freebsd.org (Postfix) with ESMTP id 668868FC16; Tue, 1 Sep 2009 21:50:39 +0000 (UTC) Received: by ey-out-2122.google.com with SMTP id 4so123777eyf.9 for ; Tue, 01 Sep 2009 14:50:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:from:date:x-google-sender-auth:message-id:subject:to:cc :content-type:content-transfer-encoding; bh=1GzrWZFii7U33PcHKbtIzu41/LkGzOF6AfMPxVxyGJQ=; b=RlDtTGxJTlosWWZNuj2gXU8gAhz6sq6ZZNRnHrP+oVnyK0f+Gt/9lxd+l8Xolnyimj KdYwtUFXddZlunSILBhxJuLVi9jTbFcdc+0WxeDFKc8Rno1W86t+bT+He3xZaC7zssKP NI9+uXfM/bvdzrOxQUlKufnr1ZdJTMsS66X50= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type :content-transfer-encoding; b=BMTEgEeke+pEbdqn4ECqPKpTgyndfg8PIL6bXlxtgMnh6er9C0tnPe4HiN10aCz3H5 3OyHtzUojSFH3z1I9BnZqQspGFuE93DAJhe6sjVYxIeSGsG2wtycRhHOe2NGl88Q5Vn3 2LPlA8oEeQ+xG/aFF7Ik6HYM8EoljSEtVVddU= MIME-Version: 1.0 Sender: ivoras@gmail.com Received: by 10.210.35.10 with SMTP id i10mr6818730ebi.92.1251841839160; Tue, 01 Sep 2009 14:50:39 -0700 (PDT) In-Reply-To: <20090901202659.GA1495@arthur.nitro.dk> References: <200909011753.n81Hr1AV068295@svn.freebsd.org> <20090901202659.GA1495@arthur.nitro.dk> From: Ivan Voras Date: Tue, 1 Sep 2009 23:50:19 +0200 X-Google-Sender-Auth: 6797f404b8f25607 Message-ID: <9bbcef730909011450t37582b50pecf87bb9927faf18@mail.gmail.com> To: "Simon L. Nielsen" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r196738 - head/sys/netinet X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Sep 2009 21:50:41 -0000 2009/9/1 Simon L. Nielsen : > On 2009.09.01 17:53:01 +0000, Bjoern A. Zeeb wrote: >> Author: bz >> Date: Tue Sep =C2=A01 17:53:01 2009 >> New Revision: 196738 >> URL: http://svn.freebsd.org/changeset/base/196738 >> >> Log: >> =C2=A0 In case an upper layer protocol tries to send a packet but the >> =C2=A0 L2 code does not have the ethernet address for the destination >> =C2=A0 within the broadcast domain in the table, we remember the >> =C2=A0 original mbuf in `la_hold' in arpresolve() and send out a >> =C2=A0 different packet with an arp request. > > [...] > > Thanks! > > In case anybody is interested, this was the issue which indirectly > killed the FreeBSD mail system for some hours recently. =C2=A0It was caus= ed > by ns1.FreeBSD.org stopped responding to network traffic due to it > running out of mbuf's. > > Feel free to guess when bz's patch was applied ;-) : > http://people.freebsd.org/~simon/misc/mbuf_leak_ns1_200908.png . =C2=A0Th= e > final spike on the graph is me running 'arp -da' a bunch of times. Interesting :) I assume this is 8 / HEAD -specific due to work done in ARP code?