SAMS task was looping.

Document ID : KB000111104
Last Modified Date : 14/08/2018
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Question:
What would be taking up a zIIP engine for SAMS. At some point over the weekend, the SAMS task on SYP2 went into a CPU loop and has consumed almost 70 CPU hours since it was started on 8/4. It is showing up to 50% CPU utilization on SYP2 currently.
Answer:
We have a fix for a loop/hang in zIIP...
PTF SO03859 CA VANTAGE LI MODE DATA COLLECTIONS GETS STUCK WHEN ON ZIIP
 
PROBLEM DESCRIPTION:                                                    
CA Vantage host task running with CA Vantage system parameter ZIIPIT set to Y on LPAR(s) where the zIIP
hardware support is available might experience a problem in data collection in Last Interval mode (LI mode) 
for objects that allow zIIP code execution.