LISTENER ISSUE, Can't start listener

PROBLEM:

{vis1.nrgc.co.za:}/oracle/product/102_64/network/log ->lsnrctl start LISTENER_DGP

LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 14-APR-2010 11:38:48

Copyright (c) 1991, 2007, Oracle. All rights reserved.

Starting /oracle/product/102_64/bin/tnslsnr: please wait...

TNS-12537: TNS:connection closed
TNS-12560: TNS:protocol adapter error
TNS-00507: Connection closed
Linux Error: 29: Illegal seek

SOLUTION:

I added 127.0.0.1 localhost to /etc/hosts