From owner-freebsd-current@FreeBSD.ORG Thu Aug 19 16:55:54 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 305D716A4CE for ; Thu, 19 Aug 2004 16:55:54 +0000 (GMT) Received: from mail6.speakeasy.net (mail6.speakeasy.net [216.254.0.206]) by mx1.FreeBSD.org (Postfix) with ESMTP id 03E9143D46 for ; Thu, 19 Aug 2004 16:55:54 +0000 (GMT) (envelope-from jmg@hydrogen.funkthat.com) Received: (qmail 9024 invoked from network); 19 Aug 2004 16:55:53 -0000 Received: from gate.funkthat.com (HELO hydrogen.funkthat.com) ([69.17.45.168]) (envelope-sender ) by mail6.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 19 Aug 2004 16:55:53 -0000 Received: from hydrogen.funkthat.com (zklyvw@localhost.funkthat.com [127.0.0.1])i7JGtnuU074854; Thu, 19 Aug 2004 09:55:53 -0700 (PDT) (envelope-from jmg@hydrogen.funkthat.com) Received: (from jmg@localhost) by hydrogen.funkthat.com (8.12.10/8.12.10/Submit) id i7JGtnTC074853; Thu, 19 Aug 2004 09:55:49 -0700 (PDT) Date: Thu, 19 Aug 2004 09:55:48 -0700 From: John-Mark Gurney To: Jeffrey Katcher Message-ID: <20040819165548.GP99980@funkthat.com> Mail-Followup-To: Jeffrey Katcher , freebsd-current@FreeBSD.org References: <20040818162215.30029.qmail@web41105.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040818162215.30029.qmail@web41105.mail.yahoo.com> User-Agent: Mutt/1.4.1i X-Operating-System: FreeBSD 4.2-RELEASE i386 X-PGP-Fingerprint: B7 EC EF F8 AE ED A7 31 96 7A 22 B3 D8 56 36 F4 X-Files: The truth is out there X-URL: http://resnet.uoregon.edu/~gurney_j/ X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html cc: freebsd-current@FreeBSD.org Subject: Re: Lots of collisions on em0 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: John-Mark Gurney List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Aug 2004 16:55:54 -0000 Jeffrey Katcher wrote this message on Wed, Aug 18, 2004 at 09:22 -0700: > My network performance is a little spotty under -current lately so I looked at > netstat -i: > > netstat -i > Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll > em0 0 00:0d:60:2d:b0:c2 0 5722 0 0 > 5803493 > em0 0 192.168.168 clio 6445 - 5680 - - > lo0* 0 0 0 0 0 0 > lo0* 0 your-net localhost 0 - 0 - - > > With only a short uptime, I'm seeing insane numbers of collisions on em0, which > is connected via a known-good cable to a known-good switch which shows no > collisions on any of its ports. Is there something going on with the em > driver? I've been seeing this too, but I believe this is a software problem.. if you look at the second em0 line, you'll see that the Ierrs isn't much more than the Opkts.... I'll be investigating this shortly... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."