From owner-freebsd-net@FreeBSD.ORG Tue Aug 23 19:10:04 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 686C416A41F for ; Tue, 23 Aug 2005 19:10:04 +0000 (GMT) (envelope-from mgrooms@shrew.net) Received: from mx2-out.seton.org (mx2-out.seton.org [65.118.63.241]) by mx1.FreeBSD.org (Postfix) with ESMTP id 936AB43D76 for ; Tue, 23 Aug 2005 19:10:02 +0000 (GMT) (envelope-from mgrooms@shrew.net) Received: from localhost (unknown [127.0.0.1]) by mx2-out.seton.org (Postfix) with ESMTP id 2AC321119; Tue, 23 Aug 2005 14:10:02 -0500 (CDT) Received: from mx2-out.seton.org ([10.21.254.241]) by localhost (mx2 [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 00889-41; Tue, 23 Aug 2005 14:10:02 -0500 (CDT) Received: from ausexfe02.seton.org (unknown [10.20.10.186]) by mx2-out.seton.org (Postfix) with ESMTP id 1B61710DC; Tue, 23 Aug 2005 14:10:02 -0500 (CDT) Received: from [10.20.160.190] ([10.20.160.190]) by ausexfe02.seton.org with Microsoft SMTPSVC(6.0.3790.211); Tue, 23 Aug 2005 14:10:01 -0500 Message-ID: <430B75DC.9050003@shrew.net> Date: Tue, 23 Aug 2005 14:15:40 -0500 From: Matthew Grooms User-Agent: Mozilla Thunderbird 1.0.5 (Windows/20050711) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Pieter de Boer References: <430B5680.1060506@shrew.net> <430B6785.7040209@thedarkside.nl> In-Reply-To: <430B6785.7040209@thedarkside.nl> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 23 Aug 2005 19:10:02.0015 (UTC) FILETIME=[4333EAF0:01C5A816] X-Virus-Scanned: by amavisd-new at seton.org Cc: freebsd-net@freebsd.org 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 19:10:04 -0000 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. > > Both tcpdump and libpcap are in contrib/, but ENOCLUE if only those > sources (together with the kernel-sources and the makefiles) would be > enough to build a new tcpdump... > 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. Could someone with a stock BETA2 kernel try a tcpdump with a simple filter and see if it they get normal output? -Matthew