/kanta/product/11.1.0/db_2/bin/dbstart: Starting Oracle Net Listener

LSNRCTL for Linux: Version 11.1.0.6.0 - Production on 28-DEC-2007 05:51:57

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

Starting /kanta/product/11.1.0/db_2/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 11.1.0.6.0 - Production
System parameter file is /kanta/product/11.1.0/db_2/network/admin/listener.ora
Log messages written to /kanta/product/11.1.0/diag/tnslsnr/dsl-hkigw8-fe00f800-87/listener/alert/log.xml
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
TNS-12555: TNS:permission denied
 TNS-12560: TNS:protocol adapter error
  TNS-00525: Insufficient privilege for operation
   Linux Error: 1: Operation not permitted

Listener failed to start. See the error message(s) above...