From: "Christian G. Warden" Subject: Re: nfs3/krb5 mounts fail Date: Tue, 12 Dec 2006 15:38:13 -0800 Message-ID: <20061212233813.GD21890@xerus.org> References: <20061211185547.GD25219@xerus.org> <4d569c330612120920g3d36cfe6j8baaf3054fec6ac3@mail.gmail.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="a8Wt8u1KmwUX3Y2C" Cc: nfs@lists.sourceforge.net Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1GuHCd-0000Nc-It for nfs@lists.sourceforge.net; Tue, 12 Dec 2006 15:38:27 -0800 Received: from sage.xerus.org ([64.74.153.194] ident=Debian-exim) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1GuHCd-0007Hu-JJ for nfs@lists.sourceforge.net; Tue, 12 Dec 2006 15:38:29 -0800 To: Kevin Coffman In-Reply-To: <4d569c330612120920g3d36cfe6j8baaf3054fec6ac3@mail.gmail.com> List-Id: "Discussion of NFS under Linux development, interoperability, and testing." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfs-bounces@lists.sourceforge.net Errors-To: nfs-bounces@lists.sourceforge.net --a8Wt8u1KmwUX3Y2C Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Dec 12, 2006 at 12:20:33PM -0500, Kevin Coffman wrote: > On 12/11/06, Christian G. Warden wrote: > >I'm having a problem where nfs3 filesystems mounted with krb5 fail after > >about 2 hours. In userspace, I get a permission denied error when > >trying to access such a filesystem. Restarting rpc.svcgssd on the > >server fixes the problem. > > > >Below is the debugging output from the client and server? Does anything > >indicate where the problem might be? > > > >Thanks, > >Christian > > I'm not sure what is going on. What kernel version is on the server? It's 2.6.17 (Debian kernel 2.6.17-2-xen-686) on the server and 2.6.18 (Debian kernel 2.6.18-3-xen-686) on the client. > The svcgssd messages indicate it is happy and sending down a context, > but it appears that the kernel is dropping the request? > > >Dec 11 10:18:35 fs01 kernel: svc: got len=532 > >Dec 11 10:18:35 fs01 kernel: svc: svc_authenticate (6) > >Dec 11 10:18:35 fs01 kernel: RPC: svcauth_gss: argv->iov_len = 504 > >Dec 11 10:18:35 fs01 kernel: Want update, refage=120, age=0 > >Dec 11 10:18:35 fs01 kernel: svc: svc_process dropit > >Dec 11 10:18:35 fs01 kernel: svc: socket e6db9240 dropped request > > Followed by: > > >Dec 11 10:18:35 fs01 kernel: RPC: Succesfully imported new context. > > Could you send a network trace containing the conversation between > client and server when this happens? The dump is attached. Thanks for your help. 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