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PM32126: ABEND0C1 ABEND0C4 PERCOLATED TO KO2ACONB. SOME REGS AT TIME OF ABEND CONTAIN X'20202020' UNICODE BLANKS. ABEND0C4 IN KO2APCSB.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • After PC call to Storage release in KO2STOBB, overlay occured
    following offset +276. R13 save area was overlayed by x'20'
    unicode blank and thus 0C1 abend in KO2STOBB. 20202020
    
    Thiis abend symptom from address space joblog:
    16.20.09 KO2X0453I UNSUBSCRIBING COMMON SERVICES
       761   DUMPID=008 REQUESTED BY JOB (PAJ0OMEG)
       761   DUMP TITLE=OMEGAMON II FOR DB2: COMPID=5655W3700,
             JOB=PAJ0OMEG, LMOD=#UNKNOWN#L, CSECT=SNAPDATA, OFFSET=
    16.20.09 KO2I0170U S0C1  ABEND IN MODULE ........ PERCOLATED TO
             D5API MODULE KO2ACONB
    16.20.11 IEA794I SVC DUMP HAS CAPTURED:  780
       780   DUMPID=009 REQUESTED BY JOB (PAJ0OMEG)
       780   DUMP TITLE=OMEGAMON II FOR DB2 DUMP:
             TASK=COMMCOLL,ID=V510 ,MOD=UNKNOWN ,OFFSET=
             ,CODE=S0C1/00000001
    
    Additional symptoms:
    14.26.33 KO2S0500E OSNP SDUMPx Failure. RC: 00000B08
    14.26.33 KO2S0508E OSNP LMOD:#UNKNOWN,CSECT:SNAPDATA,OFFSET:0000
    14.26.33 KO2X0453I UNSUBSCRIBING COMMON SERVICES
    14.26.33 KO2I0170U S0C2 ABEND IN MODULE ........ PERCOLATED TO
                       D5API MODULE KO2ACONB
    14.26.39 IEA794I  SVC DUMP HAS CAPTURED:  671
       671            DUMPID=002 REQUESTED BY JOB (OMD2COL )
       671            DUMP TITLE=OMEGAMON II FOR DB2 DUMP:
    TASK=COMMCOLL,ID=V510 ,MOD=UNKNOWN ,OFFSET= ,CODE=S0C2/00000002
    14.27.18 STC23425 KO2I0157I D5API COLLECTOR DISCONNECTED FROM
                      DB2 DY0T AS REQUESTED BY AGENT OMD5XE
    14.27.18 STC23425 KO2X0451I SUBSCRIBING COMMON SERVICES
    14.27.19 STC23425 KO2I0154I D5API COLLECTOR CONNECTED TO DB2
                      DY0T ON BEHALF OF AGENT OMD5XE
    .
    DUMP TITLE=OMEGAMON II FOR DB2 DUMP: TASK=OBJ-PAJ0,ID=EGX1
               ,MOD=KO2EC01F,OFFSET=002564,CODE=S0C4/00000010
    Reg7 is bad with x40404040 with storage overlay with Unicode
    blank x20s with eyecatcher of 'DPTHEXC'.
    .
    Dump Title: OMEGAMON II FOR DB2: COMPID=5655W3700, JOB=OMD2COL ,
    LMOD=KO2OCNTB#L, CSECT=O2OPCN  , OFFSET=0008D6
    Save area pointed to by register 13 was overlaid by words of
    20202020.
    .
    .
    ABEND0C4-4 in KO2APCSB+1102
    DUMP TITLE=OMEGAMON II FOR DB2: COMPID=5655W3700,
                LMOD=KO2CAPI2#L, CSECT=#UNKNOWN, OFFSET=00C082
    KO2I0170U S0C4  ABEND IN MODULE KO2CAPI2 PERCOLATED TO D5API
    MODULE KO2ACONB
    
    DUMP TITLE=OMEGAMON II FOR DB2 DUMP:  TASK=COMMCOLL, ID=V510
               ,MOD=KO2CAPI2,OFFSET=00C082, CODE=S0C4/00000011
    KO2I0157I D5API COLLECTOR DISCONNECTED FROM DB2 D98T AS
    REQUESTED BY AGENT OMD5X
    
    Additional posssible symptom:
    TIME OF DAY CLOCK: C812DF92 F797D3AC  07/15/2011 15:56:14.677373
    local
    SEARCH ARGUMENT ABSTRACT
    
      RIDS/KO2CAPIA#L RIDS/#UNKNOWN AB/S00C4 PRCS/00000004
    REGS/0A486
    
      Symptom             Description
      -------             -----------
      RIDS/KO2CAPIA#L     Load module name: KO2CAPIA
      RIDS/#UNKNOWN       Csect name: #UNKNOWN
      AB/S00C4            System abend code: 00C4
      PRCS/00000004       Abend reason code: 00000004
      REGS/0A486          Register/PSW difference for R0A: 486
    
    Time of Error Information
    
      PSW: 07750000 80000000 00000000 1F32D2E6
      Instruction length: 04   Interrupt code: 0004
      Failing instruction text: D1084430 A47C47F0 A48E41F0
    
      Breaking event address: 00000000_1F32D2D8
      AR/GR 0-1    00000000/00000000_00000000
    00000000/00000000_1F18F098
      AR/GR 2-3    00000000/00000008_00D00078
    00000000/00000000_FFFFFFFF
      AR/GR 4-5    00000000/00000000_1F2EE39C
    00000000/00000008_00000100
      AR/GR 6-7    00000000/00000000_9FEEFF40
    00000000/00000008_1F18E0F0
      AR/GR 8-9    00000000/00000000_1F31CCE8
    00000000/00000008_1765DF28
      AR/GR 10-11  00000000/00000000_1F32CE60
    00000000/00000000_1692A8C8
      AR/GR 12-13  00000000/00000000_1FEEFBE8
    00000000/00000000_1F18EDD8
      AR/GR 14-15  00000000/00000000_1F18EEE0
    00000000/00000000_00000000
    
      Home ASID: 0124    Primary ASID: 0124    Secondary ASID: 0124
      PKM: FFFF          AX: 0001              EAX: 0000
    
      RTM was entered because of a program check interrupt.
      The error occurred while an enabled RB was in control.
      No locks were held.
      No super bits were set.
    
    The SYSTRACE shows:
    00 0124 007F82E0  PGM    004 077D0000 9F32D2E6  00040004
    00000000
       00000000 00000000 0124 0124 15:56:13.074666  32
    
    00000000
    00000000
    00 0124 007F82E0  *RCVY PROG                    940C4000
    00000004
    00000000  00000000 00000000 0124 0124 15:56:13.074710  32
    
    00000000
    
    The S0C4 happened at X'1102' in KO2APCSB( V510210 02/07/11
    16:36..
    D2510).  The last instruction (EX) failed:
    EBC20300 DS    0H
             ST    R15,DV_RC SAVE RETCODE
             L     R5,DV_AFCONVLEN
             $EX   MVC,R3,0(R6),DV_AFCONV
             BCT   R3,*+4+6
             MVC   0(*-*,R6),DV_AFCONV
             EX    R3,*-6
    
    R3 is FFFFFFFF.
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: OMEGAMON XE for DB2 PE/DB2PM                 *
    *                 users of component:                          *
    *                 -   The component that transfers DB2         *
    *                     monitoring data collected by the         *
    *                     OMEGAMON collector to the TEMA           *
    ****************************************************************
    * PROBLEM DESCRIPTION: Storage overlay with Unicode blank      *
    *                      x'20' can result in ABEND0C1 or         *
    *                      ABEND0C4 in thread exception processing *
    *                      for TEP.  An ABEND0C4 can occur in      *
    *                      KO2APCSB.                               *
    *                                                              *
    ****************************************************************
    * RECOMMENDATION: Apply this PTF                               *
    *                                                              *
    ****************************************************************
    PROBLEM SUMMARY:
    An invalid length value was used in Unicode conversion.
    
    PROBLEM CONCLUSION:
    Ensure the correct length value is always used.
    

Problem conclusion

  • Ensure the correct length value is always used.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM32126

  • Reported component name

    OM XE DB2PE/PM

  • Reported component ID

    5655OPE00

  • Reported release

    510

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2011-02-07

  • Closed date

    2011-07-27

  • Last modified date

    2017-02-04

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

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

    UK70198

Modules/Macros

  •    KO2APCOA KO2APCOK KO2APCO2 KO2APCSB
    

Fix information

  • Fixed component name

    OM XE DB2PE/PM

  • Fixed component ID

    5655OPE00

Applicable component levels

  • R510 PSY UK70198

       UP11/07/29 P F107

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.

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Document Information

Modified date:
04 February 2017