Callback failed

[Ashwini Athalye]

Hi

Am trying to make use of NFSv4 delegation. However the callback is not
getting registered.
Am working on Fedora Core 6 kernel 2.6.18.I have disabled firewall and
SeLinux both on my machine.

I am restricting to client and server on the same machine. My mount command
is:

mount -t nfs4 -o clientaddr=127.0.0.1 localhost:/ /mnt/NFS4/

I checked my log files. It shows that callback is not getting registered.

  66737 Feb  8 12:52:00 mylinux kernel: MNTPATH: /
  66738 Feb  8 12:52:00 mylinux kernel: --> nfs4_create_server()
  66739 Feb  8 12:52:00 mylinux kernel: --> nfs4_set_client()
  66740 Feb  8 12:52:00 mylinux kernel: --> nfs_get_client(localhost,
127.0.0.1:264,4)
  66741 Feb  8 12:52:00 mylinux kernel: *Callback port = 0xaa5c*

  67151 Feb  8 12:52:53 mylinux kernel: nfsv4 compound op #1: 35
  67152 Feb  8 12:52:53 mylinux kernel: NFSD: nfs4_make_rec_clidname for
/127.0.0.1 AUTH_UNIX 0
  67153 Feb  8 12:52:53 mylinux kernel: NFSD: this client (clientid
45cacf7a/00000001) will not receive delegations

  67178 Feb  8 12:52:54 mylinux kernel: nfsv4 compound op #2: 32
  67179 Feb  8 12:52:54 mylinux kernel: nfsv4 compound op #3: 18
  67180 Feb  8 12:52:54 mylinux kernel: NFSD: nfsd4_open filename makefile07
op_stateowner 00000000
  67181 Feb  8 12:52:54 mylinux kernel: renewing client (clientid
45cacf7a/00000001)
  67182 Feb  8 12:52:54 mylinux kernel: NFSD: nfs4_cb_null task->tk_status
-13
  67183 Feb  8 12:52:54 mylinux kernel: NFSD: callback establishment to
client /127.0.0.1 AUTH_UNIX 0 failed

The above message indicated something going wrong in the function  ....
gen_callback
Looks like clp->cl_ipaddr in function nfs4_set_client (file: nfs/client.c )
is returning an empty string.

I am working on kernel - kernel-2.6.18-1.2798.fc6.src on base FC 6.

Could anyone tell me what is going wrong.

Cheers
Ashwini
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