From owner-freebsd-stable@FreeBSD.ORG Sun Nov 26 13:18:04 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 87A6916A403 for ; Sun, 26 Nov 2006 13:18:04 +0000 (UTC) (envelope-from chrcoluk@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.183]) by mx1.FreeBSD.org (Postfix) with ESMTP id DAFB443D5F for ; Sun, 26 Nov 2006 13:17:09 +0000 (GMT) (envelope-from chrcoluk@gmail.com) Received: by py-out-1112.google.com with SMTP id f31so878501pyh for ; Sun, 26 Nov 2006 05:18:03 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=ElEjAYcXdCSD8zry9OgjycUyDMh2TS5J1aEJlMu8N8/+ZO3vD90Fy028UkQW5FGHANWVNltnzOKf70GBBa1WnMYpl0gGEDOSoaOPQDqM5UiKtGoZ6H1+q86fO28IBF/8e77R7mntzlWPWN+XbTMbrZ/z7lr9EalhCdrY22A8lCA= Received: by 10.35.96.7 with SMTP id y7mr10662938pyl.1164547083223; Sun, 26 Nov 2006 05:18:03 -0800 (PST) Received: by 10.35.17.16 with HTTP; Sun, 26 Nov 2006 05:18:03 -0800 (PST) Message-ID: <3aaaa3a0611260518x47ce56acqa45888fbd315e3fd@mail.gmail.com> Date: Sun, 26 Nov 2006 13:18:03 +0000 From: Chris To: "Kris Kennaway" In-Reply-To: <20061123192532.GA81937@xor.obsecurity.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20061123162813.L3026@volte.student.utwente.nl> <20061123192532.GA81937@xor.obsecurity.org> Cc: s.c.sprong@student.utwente.nl, freebsd-stable@freebsd.org Subject: Re: sshfs/nfs cause server lockup X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 26 Nov 2006 13:18:04 -0000 On 23/11/06, Kris Kennaway wrote: > On Thu, Nov 23, 2006 at 04:38:48PM +0100, s.c.sprong@student.utwente.nl wrote: > > Chris wrote: > > >kris a development on this, someone else posted about a nfs problem > > >and reading his post some starkling point he made about network cards, > > >he stated he only gets the bug on sis rl and fxp. > > > > Sorry for the misunderstanding, but I think that the 'NFS via TCP' thread > > covers other bugs, ie the inability to mount NFS v3 over TCP. > > > > I've tested the cards above, and the person I replied to encountered the > > same bug with a bge card. My solution was to remove custom nfs settings > > in sysctl.conf. I don't know which one was the culprit because I don't > > have the time to look into it further. > > > > My poking uncovered a set of crashing bugs and potentially a livelock. > > I would agree that NFS is very fragile in RELENG_6. > > So far I've not run into an NFS server deadlock you > > described. > > Are you sure these are NFS problems and not ethernet driver problems? > > Kris > > > The consistency is the servers that lock up are fine when not using any nfs or sshfs mounts. But the 2 servers that are fine use dc and re network adaptors. I am not able to setup my local bsd box until a new hd arrives next monday and will be a day or so before I get it setup to mirror the production conditions of the servers and I will then mount some nfs on it to repeat the problem. Chris