From owner-freebsd-net@FreeBSD.ORG Tue Sep 25 03:06:31 2012 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3FF801065677 for ; Tue, 25 Sep 2012 03:06:31 +0000 (UTC) (envelope-from crapsh@monkeybrains.net) Received: from lavash.monkeybrains.net (mail.monkeybrains.net [208.69.40.9]) by mx1.freebsd.org (Postfix) with ESMTP id 20C9E8FC1B for ; Tue, 25 Sep 2012 03:06:30 +0000 (UTC) Received: from invalid-dns.RFC1918.monkeybrains.net (199-116-74-151-v301.PUBLIC.monkeybrains.net [199.116.74.151]) (authenticated bits=0) by lavash.monkeybrains.net (8.14.4/8.14.4) with ESMTP id q8P36Thh020410 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Mon, 24 Sep 2012 20:06:30 -0700 (PDT) (envelope-from crapsh@monkeybrains.net) Message-ID: <50611FAE.7060809@monkeybrains.net> Date: Mon, 24 Sep 2012 20:06:22 -0700 From: "Rudy (bulk)" User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.5; rv:15.0) Gecko/20120907 Thunderbird/15.0.1 MIME-Version: 1.0 To: Ryan Stone References: <5060884C.3050709@monkeybrains.net> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.97.5 at lavash.monkeybrains.net X-Virus-Status: Clean Cc: freebsd-net Subject: Re: ping: sendto: No buffer space available 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, 25 Sep 2012 03:06:31 -0000 On 9/24/12 5:01 PM, Ryan Stone wrote: > Can you get the output of netstat -I emX -d? ... > > I suspect that you are seeing the em TX queue fill up. If so you > should see output drops reported by the em interface. > I do see 205 in the 'Drop' column. I ran the command twice two hours apart... I am seeing Ierrsincrement in a 2 hours window... #date && netstat -I em1 -d Mon Sep 24 17:47:14 PDT 2012 Name Mtu Network Address Ipkts Ierrs Idrop Opkts Oerrs Coll Drop em1 1500 00:25:90:26:62:01 110170687801 4738950 0 85411108876 0 0 205 em1 1500 X.X.X.X coconut.coconut-g 111858 - - 6536889 - - - em1 1500 fe80::225:90f fe80::225:90ff:fe 0 - - 0 - - - # date && netstat -I em1 -d Mon Sep 24 19:48:44 PDT 2012 Name Mtu Network Address Ipkts Ierrs Idrop Opkts Oerrs Coll Drop em1 1500 00:25:90:26:62:01 110723416486 4768451 0 85861866459 0 0 205 em1 1500 X.X.X.X coconut.coconut-g 119244 - - 6558411 - - - em1 1500 fe80::225:90f fe80::225:90ff:fe 0 - - 0 - - - Checking all the interfaces, there are a lot more drops/Ierrs on em2... The igb devices (PCIe card) seem a lot better than the Supermicro motherboard em devices. Is this an on-board vs mb thing, or em vs igb thing? # date && netstat -id Mon Sep 24 19:53:49 PDT 2012 Name Mtu Network Address Ipkts Ierrs Idrop Opkts Oerrs Coll Drop em0 1500 00:25:90:26:62:00 6887931271 844 0 18966954063 0 0 0 em0 1500 X.X.X.X coconut 1804123 - - 1962796 - - - em0 1500 fe80::225:90f fe80::225:90ff:fe 0 - - 1 - - - em1 1500 00:25:90:26:62:01 110745957108 4770615 0 85882005650 0 0 205 em1 1500 X.X.X.Xcoconut.coconut-g 119573 - - 6559700 - - - em1 1500 fe80::225:90f fe80::225:90ff:fe 0 - - 0 - - - igb0 1500 00:1b:21:af:54:4e 53194278790 1169 0 85861440371 0 0 0 igb0 1500 fe80::21b:21f fe80::21b:21ff:fe 0 - - 1 - - - igb1 1500 00:1b:21:af:54:4f 43905355772 0 0 24817874325 0 0 0 igb1 1500 fe80::21b:21f fe80::21b:21ff:fe 0 - - 1 - - - usbus 0 0 0 0 0 0 0 0 usbus 0 0 0 0 0 0 0 0 usbus 0 0 0 0 0 0 0 0 usbus 0 0 0 0 0 0 0 0 em2 1500 00:25:90:26:62:02 2458414787 580252415422 0 1640052168 0 0 37284 em2 1500 X.X.X.Xcoconut.guava-coc 93119 - - 209407 - - - em2 1500 fe80::225:90f fe80::225:90ff:fe 0 - - 2 - - - em3 1500 00:25:90:26:62:03 57160105 0 0 87941536 0 0 0 em3 1500 X.X.X.XAS32329.weed-mb.c 1014267 - - 1208726 - - - em3 1500 fe80::225:90f fe80::225:90ff:fe 0 - - 1 - - - Rudy