AIX system error 0509-136 when starting Unix Agent. (NETIQKB54686)

The different causes listed above have different resolutions.  Please follow the steps provided to address your particular cause.

Fix #1: To turn on asynchronous I/O:

1. Run smitty chgaio and set STATE to be configured at system restart from defined to available
2. Press Enter
3. Do one of the following:
   • Restart your system
   • Run smitty aio and move the cursor to Configure defined Asynchronous I/O and then press Enter

Fix #2: Upgrade xlC.aix50.rte to a minimum of 6.0.0.13.

1.asynchronous I/O is turned off or disabled.

2.xlC.aix50.rte is a version earlier than 6.0.0.13.

Formerly known as NETIQKB54686