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PM83578: ABENDS S0C4 DBFCMP11 DEDB 64-BIT FPBP64=Y SYSTEM WITH COMPRESSEDDB, HIGH HALF R0 NONZERO IN MOVESEG3 ( NON ZERO ENTRY DBFCMP11 )

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APAR status

  • Closed as program error.

Error description

  • S0C4-4B DBFCMP11 MOVESEG3 on 64-bit DEDB buffering system
( FPBP64 = Y ) and DEDB with segment compression.
R0 is used in MOVESEG3 to reference 31-bit work area by MVCL
in 64-bit mode, but R0 at entry to DBFCMP11 as x'00000001'
and it is never cleared in DBFCMP11 before MOVESEG3 is called.
It appears the caller, PL/X module DBFMCSS2, may have corrupted
the register. It should be cleared before use in DBFCMP11.

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED: IMSFP V11 DEDB users with 64-BIT, FPBP64=Y   *
*                 system with compressed DBs.                  *
****************************************************************
* PROBLEM DESCRIPTION: Abend S0C4 in DBFCMP11 DEDB 64-BIT,     *
*                      FPBP64=Y system with compressed DBs.    *
*                      The HIGH HALF of R0 is NONZERO upon     *
*                      entry to MOVESEG2 routine.              *
****************************************************************
* RECOMMENDATION: INSTALL CORRECTIVE SERVICE FOR APAR/PTF      *
****************************************************************
Register 0, R0 has residual data in the HI-HALF before we use
it in 64-bit mode routine MOVESEG2. It needs to be cleared.

    



Problem conclusion


    

  • GEN:
KEYWORDS:

*** END IMS KEYWORDS ***

DBFCMP11 - Code has been added to clear the HI-HALF R0 in
           MOVESEG2.

    



Temporary fix


    

  • *********
* HIPER *
*********

    



Comments


    

  • 



APAR Information




    

  • APAR number
    PM83578
    • 

  • Reported component name
    IMS V11
    • 

  • Reported component ID
    5635A0200
    • 

  • Reported release
    100
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    YesHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2013-02-25
    • 

  • Closed date
    2013-03-07
    • 

  • Last modified date
    2013-04-02
    • 





    

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

    
PM79175
    

    • 

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

    
UK92354
    

    • 



Modules/Macros


    

  • DBFCMP11

    



Fix information


    

  • Fixed component name
    IMS V11
    • 

  • Fixed component ID
    5635A0200
    • 



Applicable component levels


    

  • R100  PSY  UK92354
       UP13/03/12  P  F303  Ž
    • 



Fix is available


    

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Document Information


            

            


                        

            Modified date:
            

            02 April 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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