On Mon, Sep 20, 2010 at 12:47:31PM +0300, George Mamalakis wrote: > Hi Bruce and thanx for the reply, > > to your questions now: > > On 17/09/2010 20:43, J. Bruce Fields wrote: > > > >># mount -t nfs -o sec=krb5 fbsdserver:/exports /mnt > >> > >Was there supposed to be some error output there? Or did the mount just > >hang? > > > The mount command stalls and no output is presented; only the > messages on /var/log/messages. > >>Sep 17 16:06:01 linuxclient kernel: svc: failed to register lockdv1 > >>RPC service (errno 111). > >111 is ECONNREFUSED. I'm not sure why that's failing. (Should failure > >to register lockd fail the whole mount? I thought it would at worst > >result in ENOLCK on lock requests?) Do you get better results if you > >mount with nolock? > > > Now this is peculiar. If run mount -o nolock then gssd segfaults. > This is because it creates a /tmp/krb5cc_machine_REALM ticket, and > when it access it, it segfaults. Ouch. Well, that's a problem. (And have you checked the log files to make sure it's gssd segfaulting and not some kind of crash in the kernel?) --b. > To overcome this issue I deleted > the temporary file, and ran gssd manually to see its output. So, > mount returned the following: > > [root@linuxclient ~]# mount -t nfs -o sec=krb5,nolock > fbsdserver:/exports /mnt > mount.nfs: access denied by server while mounting fbsdserver:/exports > > and gssd console output read: > > destroying client /var/lib/nfs/rpc_pipefs/nfs/clnt110 > handling gssd upcall (/var/lib/nfs/rpc_pipefs/nfs/clnt112) > handle_gssd_upcall: 'mech=krb5 uid=0 enctypes=18,17,16,23,3,1,2 ' > handling krb5 upcall (/var/lib/nfs/rpc_pipefs/nfs/clnt112) > process_krb5_upcall: service is '<null>' > getting credentials for client with uid 0 for server fbsdserver > WARNING: Failed to create krb5 context for user with uid 0 for > server fbsdserver > doing error downcall > destroying client /var/lib/nfs/rpc_pipefs/nfs/clnt113 > handling gssd upcall (/var/lib/nfs/rpc_pipefs/nfs/clnt112) > handle_gssd_upcall: 'mech=krb5 uid=0 enctypes=18,17,16,23,3,1,2 ' > handling krb5 upcall (/var/lib/nfs/rpc_pipefs/nfs/clnt112) > process_krb5_upcall: service is '<null>' > getting credentials for client with uid 0 for server fbsdserver > WARNING: Failed to create krb5 context for user with uid 0 for > server fbsdserver > doing error downcall > handling gssd upcall (/var/lib/nfs/rpc_pipefs/nfs/clnt112) > handle_gssd_upcall: 'mech=krb5 uid=0 enctypes=18,17,16,23,3,1,2 ' > handling krb5 upcall (/var/lib/nfs/rpc_pipefs/nfs/clnt112) > process_krb5_upcall: service is '<null>' > getting credentials for client with uid 0 for server fbsdclient.ee.auth.gr > WARNING: Failed to create krb5 context for user with uid 0 for > server fbsdserver > doing error downcall > destroying client /var/lib/nfs/rpc_pipefs/nfs/clnt112 > destroying client /var/lib/nfs/rpc_pipefs/nfs/clnt111 > > /var/log/messages shows nothing. > > > I think that's all regarding your questions. > > Thanx again, > > mamalos. > > -- > George Mamalakis > > IT Officer > Electrical and Computer Engineer (Aristotle Un. of Thessaloniki), > MSc (Imperial College of London) > > Department of Electrical and Computer Engineering > Faculty of Engineering > Aristotle University of Thessaloniki > > phone number : +30 (2310) 994379 > -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
