From owner-freebsd-hackers Tue Aug 27 20:16:55 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9346137B400 for ; Tue, 27 Aug 2002 20:16:52 -0700 (PDT) Received: from gull.mail.pas.earthlink.net (gull.mail.pas.earthlink.net [207.217.120.84]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5333343E6E for ; Tue, 27 Aug 2002 20:16:52 -0700 (PDT) (envelope-from tlambert2@mindspring.com) Received: from pool0268.cvx40-bradley.dialup.earthlink.net ([216.244.43.13] helo=mindspring.com) by gull.mail.pas.earthlink.net with esmtp (Exim 3.33 #1) id 17jtK3-00079S-00; Tue, 27 Aug 2002 20:16:47 -0700 Message-ID: <3D6C3FDA.90126960@mindspring.com> Date: Tue, 27 Aug 2002 20:13:30 -0700 From: Terry Lambert X-Mailer: Mozilla 4.79 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: "David E. Cross" Cc: freebsd-hackers@freebsd.org Subject: Re: (hopefully) easy NFS question References: <200208280224.g7S2OxO36242@monica.cs.rpi.edu> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG "David E. Cross" wrote: > A tcpdump on the client shows seemingly normal request/reponses from the > server and _lots_ of NFS Null requests from client-->server. I am guessing > this is the client trying to see if the server is back? This is on the order > of many times a second: Null requests are used for two reasons; the first is to determine if the RPC server is there; the second is as part of the support for asynchronous calls (see the RPC Programming Guide for details). > Ethernet card in question is a 3c950C in the server and a FXP 100B in the > client (client is also 4.6.2). I tested another machine with a 3c950C and > the same client with no errors. I would say hardware but this is too > predictable with no dataloss, and this is seemingly initiated on the client. > > Any ideas on where to look? You haven't said why this is actually a problem, at all. If it just did this recently, though, I would look for what has changed on the client. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message