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2564305 - AMD2CICS causing storage overlays in CICS

Symptom

  • AMD2 transaction Program AMD2CICS causes a storage violation.
  • The program tried to overlay ECDSA storage.
  • AMD2CICS ABEND's OC4 when processing  a 255 byte varchar.
  • AMD2CICS ABEND 0C4 dump shows:

    CICS Error Data
    PSW............ 07951400 80000000 00000000_45841ECA
    Program........ AMD2CICS                Instruction Length... 0006
    Offset......... 00038ECA                   Interrupt Code....... 0004
    EXEC Key....... 9                             Reason............... 0004

    PSW Points:
    Address   Offset    Object Code      Mnemonic and Operands
    45841EC4 -00000006  D2FF 1000 2000   MVC    0(256,R1),0(R2)
    45841ECA  00000000  4110 1100           LA      R1,256(,R1)
    45841ECE  00000004  4120 2100           LA      R2,256(,R2)
    45841ED2  00000008  4650 F034           BCT    R5,52(,R15)


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Environment

  • Mainframe Connect DB2 UDB Option Version 15 SP05 and SP06

Product

SAP Sybase Mainframe Connect 15.7

Keywords

memory overlay , KBA , BC-SYB-MFC , Mainframe Connect (MFC) , Problem

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