From owner-freebsd-stable@FreeBSD.ORG Fri Jan 9 10:14:36 2009 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 37619106564A for ; Fri, 9 Jan 2009 10:14:36 +0000 (UTC) (envelope-from spry@anarchy.in.the.ph) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.156]) by mx1.freebsd.org (Postfix) with ESMTP id C327E8FC1D for ; Fri, 9 Jan 2009 10:14:35 +0000 (UTC) (envelope-from spry@anarchy.in.the.ph) Received: by fg-out-1718.google.com with SMTP id l26so3076738fgb.35 for ; Fri, 09 Jan 2009 02:14:34 -0800 (PST) Received: by 10.86.74.4 with SMTP id w4mr14805785fga.2.1231496074567; Fri, 09 Jan 2009 02:14:34 -0800 (PST) Received: by 10.86.84.8 with HTTP; Fri, 9 Jan 2009 02:14:34 -0800 (PST) Message-ID: Date: Fri, 9 Jan 2009 18:14:34 +0800 From: "Mars G Miro" To: "Jack Vogel" In-Reply-To: <2a41acea0901090115q6af9f364qac23a8cce444d27a@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <2a41acea0901080844y1c2ad632t12aeadfbe9f34d0a@mail.gmail.com> <2a41acea0901081033h7db7a1aej8399baf5dcbd270f@mail.gmail.com> <2a41acea0901090115q6af9f364qac23a8cce444d27a@mail.gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: igb on a Nehalem system, buildworld stats 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: Fri, 09 Jan 2009 10:14:36 -0000 On Fri, Jan 9, 2009 at 5:15 PM, Jack Vogel wrote: > [snip] >> >> >> >> If you have a back to back connection to another NIC on Port 0, no >> >> switch, >> >> does >> >> it still autoneg to 100? >> >> >> >> Connected back to back w/ another box w/ a GigE NIC, it now does >> 1000baseTX: >> >> igb0: flags=8843 metric 0 mtu 1500 >> options=19b >> ether 00:30:48:c5:db:e2 >> inet6 fe80::230:48ff:fec5:dbe2%igb0 prefixlen 64 scopeid 0x1 >> inet 192.168.70.2 netmask 0xffffff00 broadcast 192.168.70.255 >> media: Ethernet autoselect (1000baseTX ) >> status: active >> >> But still not without problems. I hafta ifconfig down/up it several >> times until I can see the other end. W/c is the same for igb1. > > > OK, so you have some switch issue. What do you mean "see the other end", > if its back to back and boots up I assume it gets link, if you have the > address > assigned in rc.conf, and you run tcpdump on the partner do you see the arp > when it comes online, and at that point can the other side ping it? > By 'see the other end' , I meant that even if It says 1000baseTX, i still can't ping the other end, well not really, as I can now see it gots bad chksums: 1. 001691 00:30:48:c5:db:e2 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 60: arp who-has 192.168.70.2 tell 192.168.70.2 1. 511111 00:30:48:c5:db:e2 > 00:30:48:61:d7:f2, ethertype IPv4 (0x0800), length 98: (tos 0x0, ttl 64, id 20346, offset 0, flags [none], proto ICMP (1), length 84) 192.168.70.2 > 192.168.70.1: ICMP echo request, id 14852, seq 0, length 64 000012 00:30:48:61:d7:f2 > 00:30:48:c5:db:e2, ethertype IPv4 (0x0800), length 98: (tos 0x0, ttl 64, id 3034, offset 0, flags [none], proto ICMP (1), length 84, bad cksum 0 (->617b)!) 192.168.70.1 > 192.168.70.2: ICMP echo reply, id 14852, seq 0, length 64 1. 001611 00:30:48:c5:db:e2 > 00:30:48:61:d7:f2, ethertype IPv4 (0x0800), length 98: (tos 0x0, ttl 64, id 57773, offset 0, flags [none], proto ICMP (1), length 84) 192.168.70.2 > 192.168.70.1: ICMP echo request, id 14852, seq 1, length 64 000011 00:30:48:61:d7:f2 > 00:30:48:c5:db:e2, ethertype IPv4 (0x0800), length 98: (tos 0x0, ttl 64, id 59591, offset 0, flags [none], proto ICMP (1), length 84, bad cksum 0 (->848d)!) 192.168.70.1 > 192.168.70.2: ICMP echo reply, id 14852, seq 1, length 64 and this is back to back w/ another box w/ a GigE NIC (nfe, w/c has been in production for some time) > Oh, and what is the link partner hardware? > The switch? it's a Dlink 48-Port DGS-1248T GigE switch. Thanks. > Jack > > -- cheers mars