From owner-freebsd-net@FreeBSD.ORG Tue Nov 18 21:15:48 2008 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 5809B1065719 for ; Tue, 18 Nov 2008 21:15:48 +0000 (UTC) (envelope-from security@jim-liesl.org) Received: from smtp1.mc.surewest.net (qsmtp.mc.surewest.net [66.60.130.145]) by mx1.freebsd.org (Postfix) with SMTP id 399518FC19 for ; Tue, 18 Nov 2008 21:15:48 +0000 (UTC) (envelope-from security@jim-liesl.org) Received: (qmail 6251 invoked from network); 18 Nov 2008 12:58:40 -0800 Received: by simscan 1.1.0 ppid: 6248, pid: 6249, t: 0.0744s scanners: regex: 1.1.0 attach: 1.1.0 Received: from unknown (HELO smtp.jim-liesl.org) (66.60.173.44) by smtp1 with SMTP; 18 Nov 2008 12:58:40 -0800 Received: from smtp.jim-liesl.org (localhost.static.surewest.net [127.0.0.1]) by smtp.jim-liesl.org (Postfix) with ESMTP id B267B5DBB; Tue, 18 Nov 2008 13:15:46 -0800 (PST) Received: from [IPv6:::1] (daemon.static.surewest.net [192.168.1.15]) by smtp.jim-liesl.org (Postfix) with ESMTP id 36C715DB8; Tue, 18 Nov 2008 13:15:45 -0800 (PST) Message-ID: <49233081.9000900@jim-liesl.org> Date: Tue, 18 Nov 2008 13:15:45 -0800 From: security User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: Jung-uk Kim References: <492302E2.4040907@jim-liesl.org> <200811181344.20092.jkim@FreeBSD.org> In-Reply-To: <200811181344.20092.jkim@FreeBSD.org> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV using ClamSMTP Cc: freebsd-net@FreeBSD.org Subject: Re: bce discard frame w/o leading ethernet header and polling (broken?) 7.1-beta2 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, 18 Nov 2008 21:15:48 -0000 Jung-uk Kim wrote: > On Tuesday 18 November 2008 01:01 pm, security wrote: > >> I'm building a WAN emulation box based on 7.1-beta2-ipfw and >> dummynet. The config is basically a router-on-a-stick. The server >> (FBSD rtr) has two nics which connect to two different switches, >> but both switch ports are in the same untagged interconnected vlan. >> All the other test boxes in the network are also in the same vlan, >> but broken into different nets. The different nets are spread >> across the two nics as primary and alias ip address in different >> nets. I've been getting "bursts" (maybe 8-20 at a time) of the >> discard frame messages. Mostly on bce1 but I've seen them on bce0 >> also. bce1 is probably the busier of the 2 currently. As a shot in >> the dark, I disabled polling system wide and the messages seemed to >> have stopped. >> > > Please try the latest driver from RELENG_7. The following commit > seems interesting: > > http://svn.freebsd.org/viewvc/base?view=revision&revision=184826 > > Jung-uk Kim > Thanks, you're right it does. I noticed he disabled polling as I had done. There are enough other interesting bits that i'll try the driver. jim