HIgh CPU Use under z/OS 2.5

Products

• Top Secret

Issue/Introduction

Seeing high CPU utilization after upgrading to z/OS 2.5.

Environment

Release : 16.0

Component : Top Secret for z/OS

Resolution

Apar LU4265 will correct the problem.

**NOTE*** This PTF corrects PE PTF LU04152
 
 
****   HIGH IMPACT NOTIFICATION ALERT   ****
 
 
PROBLEM DESCRIPTION:
After PTF LU04152, password lengths are invalid for ACIDs that are created
using the TSS CREATE USING command when a password is not supplied and
AES password encryption is in effect.
 
SYMPTOMS:
New ACIDs created with TSS CREATE USING may experience hangs or S0C4 abends
during logon or batch job execution.
 
IMPACT:
Any ACID generated by TSS CREATE USING without a password supplied contains
an invalid password length.
If an ACID was created with TSS CREATE USING and a password
was not supplied, the ACID contains a password with an invalid length.