From owner-freebsd-net@FreeBSD.ORG Fri Jun 18 21:19:58 2004 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7C52816A4CE; Fri, 18 Jun 2004 21:19:58 +0000 (GMT) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 66D7743D1F; Fri, 18 Jun 2004 21:19:58 +0000 (GMT) (envelope-from bright@elvis.mu.org) Received: by elvis.mu.org (Postfix, from userid 1192) id 3324A5C827; Fri, 18 Jun 2004 14:19:17 -0700 (PDT) Date: Fri, 18 Jun 2004 14:19:17 -0700 From: Alfred Perlstein To: Barney Wolff Message-ID: <20040618211917.GF61448@elvis.mu.org> References: <20040618114929.GE58783@empiric.dek.spc.org> <20040618175121.GZ61448@elvis.mu.org> <20040618210840.GA53218@pit.databus.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040618210840.GA53218@pit.databus.com> User-Agent: Mutt/1.4.2.1i cc: Jonathan Lennox cc: freebsd-net@freebsd.org Subject: Re: kern/56461: FreeBSD client rpc.lockd incompatible with Linux server rpc.lockd X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Jun 2004 21:19:58 -0000 * Barney Wolff [040618 14:09] wrote: > On Fri, Jun 18, 2004 at 10:51:21AM -0700, Alfred Perlstein wrote: > > > > *Sigh* make it a sysctl, but can someone please lay the smack > > down on the linuxiots and have them fix thier crap? > > > > * Bruce M Simpson [040618 04:50] wrote: > > > > > > Linux NFS advisory locks are broken and incompatible with the rest > > > of the world. FreeBSD 5.x in particular uses BSD/OS derived NFS code > > > and thus is affected. FreeBSD 4.x does not implement client-side NFS > > > advisory locks. > > > > > > This problem is also documented as existing for MacOS X, IRIX and BSD/OS: > > > http://www.netsys.com/bsdi-users/2002-04/msg00036.html > > > http://www.uwsg.iu.edu/hypermail/linux/kernel/0311.0/0498.html > > > http://lists.freebsd.org/pipermail/freebsd-hackers/2003-July/001833.html > > > http://lists.freebsd.org/pipermail/freebsd-hackers/2003-April/000592.html > > > > > > The patch provided in the PR is verified to solve the problem, but > > > it would be good to make this functionality optional at run-time, > > > as many people are likely to be using Linux NFS shares read/write > > > with advisory locks. > > Pardon an ignorant question, but what happens to unfortunate people who > have to talk to both Linux and non-quirky servers at the same time? Is > there a way to detect what flavor of server you're talking to and adjust > accordingly? That would be far better than a sysctl. Mount option? Can we do that these days? -- - Alfred Perlstein - Research Engineering Development Inc. - email: bright@mu.org cell: 408-480-4684