PQ80735: U3325 WHEN USING HDC V2.2 WITH FAST PATH DB'S

APAR status

• Closed as program error.

Error description

• U3325 using HDC V2.2.0 AND FAST PATH DEDBS
  WITH FAST PATH VARIABLE LENGTH SEGMENT RECORDS
  AND THE NEW HDCE DRIVER, HCOZLDXV.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: ALL HSDC/E R2.2.0 USERS WHO HAVE APPLIED     *
  *                 APAR/PTF PQ59024/UQ69716 FOR PROCESSING      *
  *                 OF FAST PATH DEDBS WITH VARIABLE LENGTH      *
  *                 SEGMENTS.                                    *
  ****************************************************************
  * PROBLEM DESCRIPTION: ABENDU3325-0C RECEIVED FROM HCOZLDXV    *
  *                      COMPRESSION DRIVER ON RE-EXPANSION OF   *
  *                      COMPRESSED FAST PATH DEDB VARIABLE      *
  *                      LENGTH SEGMENT RECORDS WHICH WERE NOT   *
  *                      TRULY COMPRESSED BY THE HARDWARE        *
  *                      COMPRESSION INSTRUCTION AT THE TIME OF  *
  *                      THE COMPRESSION REQUEST. OTHER ABENDS   *
  *                      THAT OCCUR ARE: ABENDU0840, ABENDU1026. *
  *                                                              *
  *                                                              *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  ABENDU3325-0C AND U0840 OR U1026 OCCURRING ON RE-EXPANSION OF
  FAST PATH DEDB VARIABLE LENGTH SEGMENT RECORDS WHICH WERE
  PROCESSED BY THE NEW COMPRESSION DRIVER, HCOZLDXV, FOR A
  COMPRESSION REQUEST, BUT WERE NOT TRULY COMPRESSED BY THE
  HARDWARE COMPRESSION INSTRUCTION DUE TO A FAILURE OF THE
  HARDWARE ALGORITHM ITSELF. THESE TYPES OF FAILURES ARE NOTED
  IN THE OUTPUT SEGMENT RECORD IN THE COMPRESSION FLAG BYTE,
  WHICH IS ADDED TO THE SEGMENT RECORD DURING THE COMPRESSION
  PROCESS. AT RE-EXPANSION TIME THIS FLAG BYTE WAS NOT BEING
  CHECKED EARLY ENOUGH, THUS AN ABENDU3325-0C OCCURRED.
  

Problem conclusion

• CORRECTION CODE ADDED TO RE-EXPANSION SECTION OF FAST PATH DEDB
  VARIABLE LENGTH SEGMENT COMPRESSION DRIVER, HCOZLDXV, TO SOLVE
  ISSUE OF ABENDU3325-0C WHICH CAUSES ABENDU0840 AND ABENDU1026
  FAILURES OR FABC3700 FAILURES.
  
  ONCE THIS PTF IS APPLIED, THE HCOZLDXV COMPRESSION DRIVER MOD
  WILL HAVE TO BE RE-LINKEDITTED WITH THE DICTIONARY MOD TO
  RECREATE THE COMP ROUTINE AS DEFINED IN THE DBDLIB DEFINITION.
  

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:

  UQ82878

Modules/Macros

•    HCOZLDXV
  

Fix information

• Fixed component name

  IMS HDCE

• Fixed component ID

  5655E0200

Applicable component levels

• R220 PSY UQ82878

     UP03/12/09 P F312