Problem Description:
----------------------
Customer using IOCP for I/O performance may see their
application hang or may lead to a system crash. 
This problem was introduced in AIX 6.1 Technology Level 4.


Requisites
----------
AIX 6.1 Technology Level 4 Service Pack 1, 2 or 3  with the
bos.iocp.rte fileset at the 6.1.4.1 level.


Installation
------------
- Download IZ74508.epkg.Z for 6.1

- Use one the following command to install the fix

    emgr -e IZ74508.epkg.Z

A system reboot is required after iFix installation to reload
iocp extension.