From owner-freebsd-current@FreeBSD.ORG Fri Apr 2 15:43:43 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 3787716A4CE for ; Fri, 2 Apr 2004 15:43:43 -0800 (PST) Received: from ms-smtp-02-eri0.socal.rr.com (ms-smtp-02-qfe0.socal.rr.com [66.75.162.134]) by mx1.FreeBSD.org (Postfix) with ESMTP id 13F2D43D1F for ; Fri, 2 Apr 2004 15:43:41 -0800 (PST) (envelope-from sean@mcneil.com) Received: from mail.mcneil.com (rrcs-west-24-199-45-54.biz.rr.com [24.199.45.54])i32NhZSa025513; Fri, 2 Apr 2004 15:43:35 -0800 (PST) Received: from localhost (localhost.mcneil.com [127.0.0.1]) by mail.mcneil.com (Postfix) with ESMTP id C3B34FD2AB; Fri, 2 Apr 2004 15:43:34 -0800 (PST) Received: from mail.mcneil.com ([127.0.0.1]) by localhost (server.mcneil.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 03313-07; Fri, 2 Apr 2004 15:43:34 -0800 (PST) Received: from [24.199.45.54] (mcneil.com [24.199.45.54]) by mail.mcneil.com (Postfix) with ESMTP id 34709FD268; Fri, 2 Apr 2004 15:43:34 -0800 (PST) From: Sean McNeil To: Dan Nelson In-Reply-To: <20040402215745.GB49311@dan.emsphone.com> References: <1080882894.5980.26.camel@server.mcneil.com> <20040402163353.GC6724@dan.emsphone.com> <1080940409.3711.1.camel@server.mcneil.com> <20040402215745.GB49311@dan.emsphone.com> Content-Type: text/plain Message-Id: <1080949413.49158.27.camel@server.mcneil.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Fri, 02 Apr 2004 15:43:34 -0800 Content-Transfer-Encoding: 7bit X-Virus-Scanned: Symantec AntiVirus Scan Engine X-Virus-Scanned: by amavisd-new at mcneil.com cc: freebsd-current@freebsd.org Subject: Re: nfs server issues X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Apr 2004 23:43:43 -0000 On Fri, 2004-04-02 at 13:57, Dan Nelson wrote: > In the last episode (Apr 02), Sean McNeil said: > > On Fri, 2004-04-02 at 08:33, Dan Nelson wrote: > > > "tcpdump -s0" output might help here, I think. Do it from both > > > machines and make sure no packets are being dropped, and then check > > > to see what NFS request the client is trying to make that isn't > > > getting processed. > > > > OK, here is a tcpdump. It is confusing. It looks like after the > > first fragment is received it is looking up some bazaar IP > > address.... > > > > 13:02:57.566952 free.mcneil.com.1360032988 > server.mcneil.com.nfs: 136 readdir fh 1002,54097/7890231 4096 bytes @ 0x000000000 (DF) > > 13:02:57.567266 server.mcneil.com.nfs > free.mcneil.com.1360032988: reply ok 1472 readdir (frag 1645:1480@0+) > > 13:02:57.567268 0.0.0.1 > 0.0.10.7: (frag 1645:4@1480) > > 13:03:01.766943 arp who-has server.mcneil.com tell free.mcneil.com > > 13:03:01.767040 arp reply server.mcneil.com is-at 0:d:61:27:4d:6b > > Weird. Is this at the server or the client? This is a client-side dump. Both server and client have MTU of 1500. Server side says: 15:37:44.292564 IP free.mcneil.com.851449566 > server.mcneil.com.nfs: 136 readdir fh 1002,54097/7890231 4096 bytes @ 0x0 15:37:44.292705 IP server.mcneil.com.nfs > free.mcneil.com.851449566: reply ok 1472 readdir 15:37:44.292711 IP server.mcneil.com > free.mcneil.com: udp Is there something in a packet that tells rpc/nfs to reassemble with something other than the source/destination info? Sean