From owner-freebsd-net@FreeBSD.ORG Tue Aug 23 20:38:14 2005 Return-Path: X-Original-To: freebsd-net@FreeBSD.org Delivered-To: freebsd-net@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B229516A41F for ; Tue, 23 Aug 2005 20:38:14 +0000 (GMT) (envelope-from jkim@FreeBSD.org) Received: from anuket.mj.niksun.com (gwnew.niksun.com [65.115.46.162]) by mx1.FreeBSD.org (Postfix) with ESMTP id 32B4943DC3 for ; Tue, 23 Aug 2005 20:31:47 +0000 (GMT) (envelope-from jkim@FreeBSD.org) Received: from niksun.com (anuket [10.70.0.5]) by anuket.mj.niksun.com (8.13.1/8.13.1) with ESMTP id j7NKZop1004478; Tue, 23 Aug 2005 16:35:50 -0400 (EDT) (envelope-from jkim@FreeBSD.org) From: Jung-uk Kim To: freebsd-net@FreeBSD.org Date: Tue, 23 Aug 2005 16:31:24 -0400 User-Agent: KMail/1.6.2 References: <430B5680.1060506@shrew.net> <430B75DC.9050003@shrew.net> <430B83FB.6020008@thedarkside.nl> In-Reply-To: <430B83FB.6020008@thedarkside.nl> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200508231631.26252.jkim@FreeBSD.org> X-Virus-Scanned: ClamAV 0.85.1/1036/Tue Aug 23 09:55:28 2005 on anuket.mj.niksun.com X-Virus-Status: Clean Cc: Matthew Grooms , Pieter de Boer Subject: Re: odd tcpdump output w/ 6.0-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, 23 Aug 2005 20:38:14 -0000 On Tuesday 23 August 2005 04:15 pm, Pieter de Boer wrote: > Matthew Grooms wrote: > >>> Is anyone else seeing this issue? I get useless output from > >>> tcpdump ( no header or protocol decode ) but only when I > >>> specify a filter on the command line. > >>> listening on xl0, link-type EN10MB (Ethernet), capture size 96 > >>> bytes 11:33:32.920031 [|ether] > >>> 11:33:35.203998 [|ether] > >> > >> I've seen this too and heard from someone else with the same > >> problem. Both 6.0-BETA2 systems. I upgraded mine to a newer > >> version of 6.0-BETA2, using cvsup, but can't remember nor test > >> (at least during this week) if that fixed the problem. > > > > Did you make modifications or are were you running GENERIC? The > > only modifications I made to my kernel were to disable IPV6 and > > to enable pf, pflog, ALTQ and FAST_IPSEC. > > I've made quite some changes, yes: removing drivers I don't need, > adding pf.. Doubt it's a problem in the kernel configuration, > sounds more like a problem in libpcap or bpf.. It should be fixed by this commit: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/net/bpf.c.diff?r1=1.156&r2=1.157 MFC: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/net/bpf.c.diff?r1=1.153.2.2&r2=1.153.2.3 Therefore, it will be available from BETA3. Jung-uk Kim