PM35580: ABENDU920 AT OFFSET X'38C6' IN OMINT1 LOOP INVOLVING OFFSET X'3F6' IN O2CNAP LMOD KOBAS510#L CSECT UNKNOWN HIGH CPU

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Dump title indicates:
  LMOD=KOBAS510#L, CSECT=UNKNOWN , OFFSET=019540
  This U920 abend occured at offset X'38C6' in OMINT1 (UA41428 )
  No TCAs appear in the dump.
  This happened during NTH data collection.
  
  Offset X'3F6' (CLC) in O2CNAP  (PK27397)
  is heavily involved in the loop (EXT, I/O,
  DSP)
  Also involved are:
  X'37C' in  CO2PUSI ( PK59975 )
  X'C40' in  IEAVEDDR ( 04314 HBB7720 )
  An NTH chain being run in O2CNAP has over 408,000 entries.
  
  HIGH CPU  Near Term History
  

Local fix

• Lower NTH Collection Interval in ICAT panel KD261P8f  (V410).
  ( INTERVAL value in member COPTxxx in RKD2PAR)
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: OMEGAMON XE for DB2 PE/DB2PM                 *
  *                 users of component:                          *
  *                 -   Classic Interface                        *
  ****************************************************************
  * PROBLEM DESCRIPTION: U920 abend time-out of HAGP commands.   *
  *                      Loop in O2CNAP.                         *
  *                                                              *
  *                      In addition for V510 only:  Parallel    *
  *                      task wait time on ZHTTASK panel is zero *
  *                      or near zero.                           *
  *                                                              *
  ****************************************************************
  * RECOMMENDATION: Apply this PTF                               *
  *                                                              *
  ****************************************************************
  PROBLEM SUMMARY:
  NTH summary records were inefficiently accessed via a linked
  list.
  
  In addition for V510 only:  Wait times for parallel tasks were
  summed up incorrectly.
  
  PROBLEM CONCLUSION:
  Use contiguous above-the-bar storage for NTH summary records.
  
  In addition for V510 only:  Add all wait times for parallel
  tasks correctly.
  

Problem conclusion

• Use contiguous above-the-bar storage for NTH summary records.
  
  In addition for V510 only:  Add all wait times for parallel
  tasks correctly.
  
  KEYWORDS : NTH SUMMARY RECORDS HAGP U920 O2CNAP
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  UK75681 UK75682 UK75683

Modules/Macros

•    HKDB510J KDB510J  KO2APC5A KO2APC5K KO2APC5S
  KO2APC52 KO2APC6A KO2APC6K KO2APC6S KO2APC62 KO2APC7A KO2APC7K
  KO2APC7S KO2APC72 KO2APC8A KO2APC8K KO2APC8S KO2APC82 KO2CNAPB
  KO2CNASB KO2ODINB KO2ONAGB KO2ONAPB KO2ONASB KO2ONTAB KO2OSORB
  KO2OZM2B KO2WGETB
  

Fix information

• Fixed component name

  OM XE DB2PE/PM

• Fixed component ID

  5655OPE00

Applicable component levels

• R410 PSY UK75681

     UP12/01/26 P F201

• R420 PSY UK75682

     UP12/01/26 P F201

• R510 PSY UK75683

     UP12/01/27 P F201

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.