PM49650: ABEND0C4 IPI4PROC NEAR X'1108' ON ATF EXTRACT WITH INFLIGHT / OUTFLIGHT PROCESSING

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• When ATF Inflight records are read, IMS PA transaction queue
  entries are created for each "transaction" processed. A
  transaction entry will consist of several primary records with
  several chains of buffers containing the actual data entries.
  The buffers containing the data must be uniquely keyed or
  "cross-chaining" of entries can occur. At IMS PA EOF these
  buffers are released and the transaction entry deleted, when a
  second transaction tries to release one of these "cross-chained"
  buffers it will fail as the buffer address is no longer valid.
  
  Keywords: ABENDS0C4 S0C4
  
  Note: It is okay to have this IMSPA maintenance on without
  having the OMEGAMON IF3 maintenance (OA36278) on.  There is
  no adverse affect if this is the case.  The reverse is not
  true though (if the OMEGAMON maintenance is on, for IMSPA
  support of IF3, this APAR must be on).
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of IMS Performance Analyzer V4.2       *
  ****************************************************************
  * PROBLEM DESCRIPTION: S0C4 abend in IPI4PROC+1108 on ATF      *
  *                      extract with Inflight/Outflight         *
  *                      processing                              *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  When ATF Inflight records are read, IMS PA transaction queue
  entries are created for each "transaction" processed.
  A transaction entry will consist of several primary records
  with several chains of buffers containing the actual data
  entries. The buffers containing the data must be uniquely
  keyed or "cross-chaining" of entries can occur.
  At IMS PA EOF these buffers are released and the transaction
  entry deleted, when a second transaction tries to release
  one of these "cross-chained" buffers it will fail as the
  buffer address is no longer valid.
  

Problem conclusion

• 1. Re-work the randomiser for ATF buffer selection.
  2. More comprehensive checking of buffers to ensure they are
     available for use.
  

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:

  UK73304

Modules/Macros

• IPIOINFL IPIOPROC IPISAPAR
  

Fix information

• Fixed component name

  IMS PERF ANALYZ

• Fixed component ID

  5655E1500

Applicable component levels

• R420 PSY UK73304

     UP11/11/02 P F111

Fix is available

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