We just had a production lpar lockup due to a SPIN LOOP. With the dumps taken it appears to be waiting for CA PDSMAN.

Document ID : KB000016997
Last Modified Date : 14/02/2018
Show Technical Document Details
Introduction:

We just had a production lpar lockup due to a SPIN LOOP. 

With the dumps taken it appears to be waiting for CA PDSMAN. 

Question:

After an upgrade of the operating system a spin loop seemed to occur and it was waiting on CA PDSMAN SVCs.

Environment:
z/OS 2.2CA PDSMAN 7.7
Answer:

The appearance that CA PDSMAN was the cause is not accurate. IBM discovered the rel problem and it was resolved by the following :

IBM PTF UA93670