Return-Path: Received: from mx2.netapp.com ([216.240.18.37]:53937 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756451Ab1DLSnM (ORCPT ); Tue, 12 Apr 2011 14:43:12 -0400 Message-ID: <4DA49D3A.7090800@netapp.com> Date: Tue, 12 Apr 2011 14:43:06 -0400 From: Bryan Schumaker To: Jiri Slaby CC: Trond Myklebust , Jiri Slaby , linux-kernel@vger.kernel.org, akpm@linux-foundation.org, mm-commits@vger.kernel.org, ML netdev , linux-nfs@vger.kernel.org Subject: Re: [PATCH] NFS: Fix infinite loop in gss_create_upcall() References: <201103312224.p2VMOA5g000983@imap1.linux-foundation.org> <4D96E4C5.2080302@suse.cz> <1302122693.16786.0.camel@lade.trondhjem.org> <4D9D5CC9.2040002@suse.cz> <4DA36722.2020402@suse.cz> <4DA36758.4070203@suse.cz> <4DA36DB6.8060108@suse.cz> <4DA48EB0.40600@netapp.com> <4DA4946D.5020403@suse.cz> <1302633088.4801.48.camel@lade.trondhjem.org> <4DA49B49.1020005@suse.cz> In-Reply-To: <4DA49B49.1020005@suse.cz> Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 On 04/12/2011 02:34 PM, Jiri Slaby wrote: > On 04/12/2011 08:31 PM, Trond Myklebust wrote: >>> Yes, it fixes the problem. But it waits 15s before it times out. This is >>> inacceptable for automounted NFS dirs. >> >> I'm still confused as to why you are hitting it at all. In the normal >> autonegotiation case, the client should be trying to use AUTH_SYS first >> and then trying rpcsec_gss if and only if that fails. >> >> Are you really exporting a filesystem using AUTH_NULL as the only >> supported flavour? > > I don't know, I connect to a nfs server which is not maintained by me. > It looks like that. How can I find out? If you're not using gss for anything, you could try rmmod-ing rpcsec_gss_krb5 (and other rpcsec_gss_* modules). - Bryan > > thanks,