From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261240AbVGYObY (ORCPT ); Mon, 25 Jul 2005 10:31:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261239AbVGYObY (ORCPT ); Mon, 25 Jul 2005 10:31:24 -0400 Received: from host27-37.discord.birch.net ([65.16.27.37]:7698 "EHLO EXCHG2003.microtech-ks.com") by vger.kernel.org with ESMTP id S261240AbVGYObO (ORCPT ); Mon, 25 Jul 2005 10:31:14 -0400 From: "Roger Heflin" To: "'Timothy Miller'" , "'Trond Myklebust'" Cc: Subject: RE: HELP: NFS mount hangs when attempting to copy file Date: Mon, 25 Jul 2005 09:34:05 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook, Build 11.0.5510 In-Reply-To: <9871ee5f05072319523528f2de@mail.gmail.com> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 thread-index: AcWP8jX0Tct7tFw6QCygRlzj32b54ABM1GFA Message-ID: X-OriginalArrivalTime: 25 Jul 2005 13:29:06.0736 (UTC) FILETIME=[D4ED4B00:01C5911C] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org A kde and gnome are well above MTU they don't know anything about MTU and neither does NFS, if those hang it up you have a network configuration problem, and should probably fix it, as a number of other things will show the problem also. Routers almost always have hard coded MTU limits, and they are almost never the default 1500, so everything needs to be properly told what your networks MTU is, or some external device needs to be taking care of it properly. Roger > -----Original Message----- > From: linux-kernel-owner@vger.kernel.org > [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of > Timothy Miller > Sent: Saturday, July 23, 2005 9:52 PM > To: Trond Myklebust > Cc: linux-kernel@vger.kernel.org > Subject: Re: HELP: NFS mount hangs when attempting to copy file > > On 7/23/05, Trond Myklebust wrote: > > > I beg to disagree. A lot of these VPN solutions are > unfriendly to MTU > > path discovery over UDP. Sun uses TCP by default when mounting NFS > > partitions. Have you tried this on your Linux box? > > I changed the protocol to TCP and changed rsize and wsize to > 1024. I don't know which of those fixed it, but I'm going to > leave it for now. > > As for MTU, yeah, the Watchguard box seems to have some > hard-coded limits, and for whatever reason KDE and GNOME > graphical logins do something that exceeds those limits, > completely independent of NFS, and hang up hard. > > Thanks. > - > To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in the body of a message to > majordomo@vger.kernel.org More majordomo info at > http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >