Return-Path: Received: from mx2.netapp.com ([216.240.18.37]:49136 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752320Ab1CWRHR convert rfc822-to-8bit (ORCPT ); Wed, 23 Mar 2011 13:07:17 -0400 Subject: Re: different kernels mean NFS4/GSSAPI works or doesn't From: Trond Myklebust To: "Brian J. Murrell" Cc: linux-nfs@vger.kernel.org, Kevin Coffman In-Reply-To: <4D8A0C9F.8090300@interlinx.bc.ca> References: <4D89D36D.3090207@interlinx.bc.ca> <4D8A0C9F.8090300@interlinx.bc.ca> Content-Type: text/plain; charset="UTF-8" Date: Wed, 23 Mar 2011 13:07:15 -0400 Message-ID: <1300900035.11677.12.camel@lade.trondhjem.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Please don't remove people from the Cc list. On Wed, 2011-03-23 at 11:07 -0400, Brian J. Murrell wrote: > On 11-03-23 10:29 AM, Kevin Coffman wrote: > > > > However, that doesn't appear to be the case from looking at the > > gssd/svcgssd output. Have you checked the server's syslog for > > messages about rpc.gssd not running? > > Yup. Nothing there. > > > OK. Thanks. There is enough info there, even with the redaction. > > Ahhh. Good. > > > This shows that a des (enctype 4) session key is being negotiated and > > delivered to both kernels, so I don't think any of the Kerberos issues > > should be involved here. (At least from the user-land perspective.) > > Hrm. So this gets even more interesting (for some values of "interesting"). > > > I'm not sure what kernel change would be causing your hang ... > > Thanks for looking though. > > I'm open to any more ideas, debugging info requests, etc. that anyone > might have. You said this happens only with RPCSEC_GSS? Have you tried bisecting, to see which changes caused it? You can probably restrict yourself to bisecting changes to include/linux/sunrpc, net/sunrpc and net/sunrpc/auth_gss. Cheers Trond -- Trond Myklebust Linux NFS client maintainer NetApp Trond.Myklebust@netapp.com www.netapp.com