From owner-freebsd-fs@FreeBSD.ORG Tue Sep 5 15:42:27 2006 Return-Path: X-Original-To: freebsd-fs@FreeBSD.ORG Delivered-To: freebsd-fs@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id F26E316A4DA for ; Tue, 5 Sep 2006 15:42:27 +0000 (UTC) (envelope-from lehmann@ans-netz.de) Received: from avocado.salatschuessel.net (avocado.salatschuessel.net [83.136.81.184]) by mx1.FreeBSD.org (Postfix) with ESMTP id 73B8343D68 for ; Tue, 5 Sep 2006 15:42:25 +0000 (GMT) (envelope-from lehmann@ans-netz.de) Received: (qmail 31594 invoked by uid 89); 5 Sep 2006 15:42:20 -0000 Received: from unknown (HELO kartoffel.salatschuessel.net) (83.136.81.185) by avocado.salatschuessel.net with SMTP; 5 Sep 2006 15:42:20 -0000 Date: Tue, 5 Sep 2006 17:41:56 +0200 From: Oliver Lehmann To: Oliver Fromme Message-Id: <20060905174156.ed8550e3.lehmann@ans-netz.de> In-Reply-To: <200609051138.k85BcjqO059008@lurza.secnetix.de> References: <20060904201220.a2707581.lehmann@ans-netz.de> <200609051138.k85BcjqO059008@lurza.secnetix.de> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.20; amd64-portbld-freebsd6.1) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: freebsd-fs@FreeBSD.ORG, freebsd-amd64@FreeBSD.ORG Subject: Re: NFS lockup when copying a "special" file X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Sep 2006 15:42:28 -0000 Oliver Fromme wrote: > Did you try any of the suggestions in my previous mail? > E.g.: use TCP NFS transport instead of UDP, and/or force > NFSv2 instead of NFSv3. You could also try lowering the > MTU (although I think it's not the cause of the problem > in your case, but it might be worth a try nonetheless). I now switched to TCP NFS. > What are your NFS mount options? What is the size of the > file on which the mount became stuck? Do the contents of > the file matter? i.e. when you create a file of the same > size with dd(1) that contains only zeroes, can you copy > it to the NFS share? Mount options are: tcp,soft,nfsv3,bg,rw This time it was during playing music from nfs and scping a large file from nfs to another system - so I can't tell this time what exactly caused it. At least the 1st appearence of the problems two month ago happend when copying a file which was reproduceable. The file is still online in that tar file: http://pofo.de/tmp/file.tar - yang.xchatlog > > A bit of tcpdump output might be helpful, too. Please use > the options "-vv -s1600", otherwise it's useless. My initial mail only contained a standard tcpdump 19:18:39.582342 IP kartoffel.salatschuessel.net.2033686372 > dill.salatschuessel.net.nfs: 1472 write [|nfs] 19:18:39.582344 IP kartoffel.salatschuessel.net > dill.salatschuessel.net: udp 19:18:39.582346 IP kartoffel.salatschuessel.net > dill.salatschuessel.net: udp 19:18:39.582348 IP kartoffel.salatschuessel.net > dill.salatschuessel.net: udp -- Oliver Lehmann http://www.pofo.de/ http://wishlist.ans-netz.de/