Return-Path: linux-nfs-owner@vger.kernel.org Received: from fieldses.org ([174.143.236.118]:46253 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752972Ab2CWNbM (ORCPT ); Fri, 23 Mar 2012 09:31:12 -0400 Date: Fri, 23 Mar 2012 09:31:11 -0400 From: "J. Bruce Fields" To: Jeff Layton Cc: linux-nfs@vger.kernel.org Subject: Re: [PATCH v10 3/8] sunrpc: create nfsd dir in rpc_pipefs Message-ID: <20120323133111.GA2991@fieldses.org> References: <1332337929-18580-1-git-send-email-jlayton@redhat.com> <1332337929-18580-4-git-send-email-jlayton@redhat.com> <20120323121208.GA3219@fieldses.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20120323121208.GA3219@fieldses.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Fri, Mar 23, 2012 at 08:12:08AM -0400, J. Bruce Fields wrote: > On Wed, Mar 21, 2012 at 09:52:04AM -0400, Jeff Layton wrote: > > Add a new top-level dir in rpc_pipefs to hold the pipe for the clientid > > upcall. > > After applying this patch, my tests consistently hang. The hang happens > in excltest (of the special connectaton tests), over nfs4.1 and krb5. > Looking at the wire traffic, I'm seeing DELAY returned from a setattr > for mode on a newly-created (with EXCLUSIVE4_1) file. That open got a > delegation, so presumably that's what's causing the DELAY, though I'm > not seeing the server send a recall. That could be a krb5 bug. > > Whatever bug there is here, it's hard to tell why this patch in > particular would make it more likely. > > So, still investigating! Reproduceable by: mount -osec=krb5,minorversion=1 server:/export/ /mnt/ cp cthon04/special/excltest /mnt/ cd /mnt ./excltest --b.