From owner-freebsd-stable@FreeBSD.ORG Wed Nov 10 12:41:07 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A5CB51065670 for ; Wed, 10 Nov 2010 12:41:07 +0000 (UTC) (envelope-from ykirill@yahoo.com) Received: from nm1.bullet.mail.ne1.yahoo.com (nm1.bullet.mail.ne1.yahoo.com [98.138.90.64]) by mx1.freebsd.org (Postfix) with SMTP id 68B338FC16 for ; Wed, 10 Nov 2010 12:41:07 +0000 (UTC) Received: from [98.138.90.53] by nm1.bullet.mail.ne1.yahoo.com with NNFMP; 10 Nov 2010 12:28:34 -0000 Received: from [98.138.89.164] by tm6.bullet.mail.ne1.yahoo.com with NNFMP; 10 Nov 2010 12:28:34 -0000 Received: from [127.0.0.1] by omp1020.mail.ne1.yahoo.com with NNFMP; 10 Nov 2010 12:28:34 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 558616.43830.bm@omp1020.mail.ne1.yahoo.com Received: (qmail 74042 invoked by uid 60001); 10 Nov 2010 12:21:12 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1289391672; bh=kqC7vp9WEXxLN5bwO+5L+2gPC90xYzZtBpqOyfxKGNs=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=5aJbjFJCMpb3owtuRNjaGr18ofm1Uy2Ntr1Yz8Y70DDNKIRNveni59avDEafESUTymqyljbY8P3wpGIgbbrKW39YOhYzBxxJsZnbby3TCDDxTvqstnw0rkP0q8e5KxaqgbOjsm8nUC2EU2MkrlxG990VMtVTmf/3x4Mk34mkugM= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=2FLOWj+l4t4Bh6K7Bp3KY0pFw+1JtsGeXlVzj6KIRioE6zn/wiya9QVUmZAIqZKNXix/ZrqWYz30/RqxtcUhEyF5RbX5k3+PU2w8C16jMzCQ5kdRqoDvLmrgHVVa/ybmY8aH3prTKM/pKr/m4h3qa78hqvzjgLPNPyNTivAKiPg=; Message-ID: <889823.70463.qm@web120506.mail.ne1.yahoo.com> X-YMail-OSG: jieGeCQVM1mkLVNzf8x8.2L3O5gcwoiJhHB.aMw6ZuO2jH6 xL1J28YEziwrQw_Skc7djNC35uG821g.ynqcGUdvEdTls9hoYVFYR6wrTfEy rKF6tWdlTRLOmPTHvl4aAh6TfSySo2e68vHWG2HTcqdagBQLWurskt5tyU6r 6UUNSs1M6QtkM.ZWkPwHrY1xufBrkpFx0n8uzOfGdQb6BDEZPQDtnIkDe0cn Yyo5fQFkUDcFOjL7c8fG2A3Nyz3N8kHiwhFOXq3Ku.5Zjf3UA1qDXAZbpVMW T0WIwq_toP4j0qoGoXzXlGfb7h2QABblrl0MD8g-- Received: from [212.74.229.235] by web120506.mail.ne1.yahoo.com via HTTP; Wed, 10 Nov 2010 04:21:12 PST X-Mailer: YahooMailClassic/11.4.7 YahooMailWebService/0.8.107.285259 Date: Wed, 10 Nov 2010 04:21:12 -0800 (PST) From: Kirill Yelizarov To: freebsd-stable@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: icmp packets on em larger than 1472 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Nov 2010 12:41:07 -0000 Hi, All my em cards running 8.1 stable don't reply to icmp echo requests packets larger than 1472 bytes. On stable 7.2 the same hardware works as expected: # ping -s 1500 192.168.64.99 PING 192.168.64.99 (192.168.64.99): 1500 data bytes 1508 bytes from 192.168.64.99: icmp_seq=0 ttl=63 time=1.249 ms 1508 bytes from 192.168.64.99: icmp_seq=1 ttl=63 time=1.158 ms Here is the dump on em interface 15:06:31.452043 IP 192.168.66.65 > *****: ICMP echo request, id 28729, seq 5, length 1480 15:06:31.452047 IP 192.168.66.65 > ****: icmp 15:06:31.452069 IP **** > 192.168.66.65: ICMP echo reply, id 28729, seq 5, length 1480 15:06:31.452071 IP *** > 192.168.66.65: icmp Same ping from same source (it's a 8.1 stable with fxp interface) to em card running 8.1 stable #pciconf -lv em0@pci0:3:4:0: class=0x020000 card=0x10798086 chip=0x10798086 rev=0x03 hdr=0x00 vendor = 'Intel Corporation' device = 'Dual Port Gigabit Ethernet Controller (82546EB)' class = network subclass = ethernet # ping -s 1472 192.168.64.200 PING 192.168.64.200 (192.168.64.200): 1472 data bytes 1480 bytes from 192.168.64.200: icmp_seq=0 ttl=63 time=0.848 ms ^C # ping -s 1473 192.168.64.200 PING 192.168.64.200 (192.168.64.200): 1473 data bytes ^C --- 192.168.64.200 ping statistics --- 4 packets transmitted, 0 packets received, 100.0% packet loss And here is it's dump on em card 5:11:15.191496 IP 192.168.66.65 > *****: ICMP echo request, id 33593, seq 0, length 1480 15:11:15.191534 IP 192.168.66.65 > *****: icmp 15:11:16.192119 IP 192.168.66.65 > *****: ICMP echo request, id 33593, seq 1, length 1480 15:11:16.192156 IP 192.168.66.65 > ******: icmp igb cards on 8.1 stable are not affected Regards, Kirill