From owner-freebsd-current@FreeBSD.ORG Tue Feb 5 10:04:37 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E191416A41A for ; Tue, 5 Feb 2008 10:04:37 +0000 (UTC) (envelope-from krassi@bulinfo.net) Received: from mx.bulinfo.net (mx.bulinfo.net [193.194.156.1]) by mx1.freebsd.org (Postfix) with ESMTP id A201313C447 for ; Tue, 5 Feb 2008 10:04:37 +0000 (UTC) (envelope-from krassi@bulinfo.net) Received: from localhost (localhost [127.0.0.1]) by mx.bulinfo.net (Postfix) with ESMTP id D83071EEC6; Tue, 5 Feb 2008 11:34:31 +0200 (EET) Received: from mx.bulinfo.net ([127.0.0.1]) by localhost (mx.bulinfo.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 09533-07; Tue, 5 Feb 2008 11:34:31 +0200 (EET) Received: from [192.168.2.188] (pythia.bulinfo.net [212.72.195.5]) by mx.bulinfo.net (Postfix) with ESMTP id 0FBAF1EEAE; Tue, 5 Feb 2008 11:34:31 +0200 (EET) Message-ID: <47A82DA5.3060504@bulinfo.net> Date: Tue, 05 Feb 2008 11:34:29 +0200 From: Krassimir Slavchev User-Agent: Thunderbird 2.0.0.9 (X11/20071122) MIME-Version: 1.0 To: qpadla@gmail.com References: <200802042142.38606.qpadla@gmail.com> In-Reply-To: <200802042142.38606.qpadla@gmail.com> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Virus-Scanned: amavisd-new at mx.bulinfo.net Cc: freebsd-current@freebsd.org Subject: Re: IP bad-len 0 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Feb 2008 10:04:38 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, Can you try: net.inet.tcp.rfc1323=0 Nikolay Pavlov wrote: > Did someone knows what's that mean? > > root@cassini:~# tcpdump -n host xx.162.141.1 and port 80 > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on em0, link-type EN10MB (Ethernet), capture size 96 bytes > 17:04:40.734189 IP xx.162.141.1.47484 > xxx.53.51.235.80: S > 3567180455:3567180455(0) win 5840 0,nop,wscale 6> > 17:04:40.734236 IP xx.53.51.235.80 > xx.162.141.1.47484: S > 3608546905:3608546905(0) ack 3567180456 win 8192 5,sackOK,timestamp 709854070 8804899> > 17:04:40.925032 IP xx.162.141.1.47484 > xxx.53.51.235.80: . ack 1 win 92 > > 17:04:40.933559 IP xx.162.141.1.47484 > xxx.53.51.235.80: P 1:935(934) ack > 1 win 92 > 17:04:40.995133 IP bad-len 0 > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > I see quite a lot of this messages on my web server xxx.53.51.235 and the > connection is a bit sluggish sometimes. > It's a em card on 7.0-RC1 GENERIC amd64 kernel: > > em0@pci0:6:0:0: class=0x020000 card=0x109a15d9 chip=0x109a8086 rev=0x00 > hdr=0x00 > vendor = 'Intel Corporation' > device = '82573L Intel PRO/1000 PL Network Adaptor' > class = network > subclass = ethernet > > dev.em.0.%desc: Intel(R) PRO/1000 Network Connection Version - 6.7.3 > dev.em.0.%driver: em > dev.em.0.%location: slot=0 function=0 handle=\_SB_.PCI0.EXP5.PXS5 > dev.em.0.%pnpinfo: vendor=0x8086 device=0x109a subvendor=0x15d9 > subdevice=0x109a class=0x020000 > dev.em.0.%parent: pci6 > dev.em.0.debug: -1 > dev.em.0.stats: -1 > dev.em.0.rx_int_delay: 0 > dev.em.0.tx_int_delay: 66 > dev.em.0.rx_abs_int_delay: 66 > dev.em.0.tx_abs_int_delay: 66 > dev.em.0.rx_processing_limit: 100 > dev.sc.0.%desc: System console > > > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFHqC2lxJBWvpalMpkRAlaWAKCvtt4VFMnf5FaZ5y7ywZP6NBlIGACdGFZ9 /AfMgilwIXpK6nm7wqGycH0= =W61e -----END PGP SIGNATURE-----