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PK94150: KO2OMEMB+D82 ABEND0C4-4, ABEND0C4-4 AT X'834' IN O2OMEM. APPLY FOR ANY OMEM STORAGE ISSUES AND ABENDS

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Dump Title: OMEGAMON II FOR DB2: COMPID=5655OPE00, JOB=OMDB2   ,
    LMOD=KO2OCNTB#L, CSECT=O2OMEM  , OFFSET=000D88
    ABEND0C4-4 KO2OMEMB+D82 (at PK75710 level) on a D20F1000A3B4
    (MOVE) instruction with R1 containing zeros.
    ABEND0C4 can also occur at KO2OMEMB+101A (at PK77656 level).
    The JOBLOG showed
     OMEGAMON:   >> OB0930: Unexpected Program Check - OMEM+0D88
     IEA794I SVC DUMP HAS CAPTURED:
     DUMPID=003 REQUESTED BY JOB (OMDB2   )
     OMEGAMON:  OB0933 OMEGAMON resource cleanup initiated for abend
                       U0930
     OMEGAMON:  OB0935 OMEGAMON resource cleanup complete
    KO2OCMCB called KO2OMEMB to reset the DYNAMIC WORK areas, the
    area passed in R1 was not a valid WORK area and led to the
    ABEND0C4.
    Other symptoms:
    Looking at the Server job log:
    01.00.49 STC61562 ---- MONDAY,    12 OCT 2009 ----
    2009/10/12 01:00:49 KO2X0453I UNSUBSCRIBING COMMON SERVICES
    2009/10/12 01:00:49 KO2I0170U S0C4  ABEND IN MODULE KO2OCNTB
    PERCOLATED
    TO D5API MODULE KO2ACONB
    2009/10/12 01:00:52 IEA794I SVC DUMP HAS CAPTURED:  336
    336             DUMPID=014 REQUESTED BY JOB (OMXEO2  )
    336             DUMP TITLE=OMEGAMON II FOR DB2 DUMP:
    TASK=COMMCOLL,ID=V410
    336
    ,MOD=KO2OCNTB,OFFSET=002F18,CODE=S0C4/00000004
    2009/10/12 01:01:52 KO2I0157I D5API COLLECTOR DISCONNECTED FROM
    DB2 DB2J
    AS REQUESTED BY AGENT OMXED5
    2009/10/12 01:01:52 KO2X0451I SUBSCRIBING COMMON SERVICES
    2009/10/12 01:01:53 KO2I0154I D5API COLLECTOR CONNECTED TO DB2
    DB2J ON
    BEHALF OF AGENT OMXED5
    
    Looking at the dump, RECDEBUG area shows 17 abend S0C4's
    at offset X'20C4' in O2XTHS (V410510 03/26/09 12:06.PK76938
    DB2810),
    followed by an S0C4 at offseet X'834' in O2OMEM (V41021003/06/09
    16:18..PK77656), followed by 6 more of the O2XTHS S0C4's.
    
    In the RETRY table we see 256 pairs of retries attempted at:
    X'20C4' in O2XTHS
    X'1B62' in O2XTHS
    
    In the call trace table, we see many:
    C |<---------CALLER-------->| |<---------CALLED-------->|
    / |            2ndary       | |            2ndary       |
    R |EP Name  SAC ASID    R13 | |EP Name  SAC ASID    R13 |   R1
    ----------------------------------------------------------------
    --
    C CITHDMAX 0100 00A3 19DB0A40 XDDSLKUP 0100 00A3 19DB08D0
    19DB091C
    R CITHDMAX 0100 00A3 19DB0A40 XDDSLKUP 0100 00A3 19DB08D0
    19DB091C
    
    Other Symptoms:
    
    2010/01/14 15:50:39 OMEGAMON:   >> OB0930: Unexpected Program
    Check -
    OMEM+0380 <<
    2010/01/14 15:50:42 IEA794I SVC DUMP HAS CAPTURED:  745
        745             DUMPID=006 REQUESTED BY JOB (CANSO2  )
        745             DUMP TITLE=SLIP DUMP ID=0003
    2010/01/14 15:50:42 OMEGAMON:   >> OB0930: Unexpected Program
    Check -
    OMEM+0380 <<
    2010/01/14 15:50:42 IEA995I SYMPTOM DUMP OUTPUT  747
        747               USER COMPLETION CODE=0930
        747              TIME=15.50.42  SEQ=18716  CPU=0000
    ASID=019B
        747              PSW AT TIME OF ERROR  077D0000   8D3D91C8
    ILC 2
    INTC 0D
        747                ACTIVE LOAD MODULE
    ADDRESS=0D3B7000
    OFFSET=000221C8
        747                NAME=KOBAS510
        747                DATA AT PSW  0D3D91C2 - 181217FF
    0A0D58E0
    D9C89801
        747                GR 0: 00000000   1: 800003A2
        747                   2: 800003A2   3: 00000064
        747                   4: 0D1CCC20   5: 0D643100
        747                   6: 0D417000   7: 0D4171C8
        747                   8: 8D3D91A8   9: 00000174
        747                   A: 8D3C74C4   B: 0D1D2000
        747                   C: 0D37E000   D: 00114648
        747                   E: 8D3C7572   F: 00000000
        747              END OF SYMPTOM DUMP
    
    The PSW points to offset X'66" in OMINT1 (V550COM 03/18/09
    06:02..
    UA46402)  Looks as if OMINT1 is for Omegamon Base.
    
    Looking at other similar issues (Abend U930), this is normally
    caused by
    region storage issues.  Here's storage use by TCB in this dump:
    ****************************************************************
    *******
    >>>      List of Storage Used by ASID 019B
    >>> in Descending Order of Below-the-Line Region Used.
    ****************************************************************
    *******
    
        Total bytes available below the 16M line :           1192K
        Total bytes available above the 16M line :          31008K
        Total bytes available (above and below)  :          32200K
    
                                % of Avail.                   % of
    Avail.
                 Storage Used   Storage Used   Storage Used
    Storage Used
    TCB Address   Below 16M      Below 16M      Above 16M     Above
    16M
    008FF020             892K        74               8244K
    26
    008CDE88             152K        12               3116K
    10
    008FFB00             100K         8               1080K
    3
    008FE030              56K         4                676K
    2
    008C9468              56K         4               2272K
    7
    008D51A8              40K         3                248K
    0
    008D53C8              36K         3               5264K
    16
    008C1E88              28K         2                964K
    3
    008C12B8              16K         1               1904K
    6
    008D5970              12K         1               9316K
    30
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: OMEGAMON XE for DB2 PE/DB2PM                 *
    *                 users of component:                          *
    *                 -   OMEGAMON collector                       *
    *                 -   Classic Interface                        *
    ****************************************************************
    * PROBLEM DESCRIPTION: ABEND0C4 - LMOD=KO2OCNTB#L,             *
    *                      CSECT=O2OMEM, OFFSET=001020 and         *
    *                      OFFSET=000D82                           *
    ****************************************************************
    * RECOMMENDATION: Apply this PTF                               *
    *                                                              *
    ****************************************************************
    PROBLEM SUMMARY:
    Secondary and FREE storage extents are not being managed
    correctly.
    
    PROBLEM CONCLUSION:
    Improve management of Secondary and FREE storage extents
    

Problem conclusion

  • Improve management of Secondary and FREE storage extents
    
    KEYWORDS : SECONDARY FREE STORAGE EXTENTS S80A S878 SB78 SA78
    

Temporary fix

Comments

APAR Information

  • APAR number

    PK94150

  • Reported component name

    OM XE DB2PE/PM

  • Reported component ID

    5655OPE00

  • Reported release

    410

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-08-18

  • Closed date

    2009-11-16

  • Last modified date

    2010-01-20

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

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

    UK51960 UK51961

Modules/Macros

  • B390SPA1 B390SPA2
    

Fix information

  • Fixed component name

    OM XE DB2PE/PM

  • Fixed component ID

    5655OPE00

Applicable component levels

  • R410 PSY UK51960

       UP09/11/20 P F911

  • R420 PSY UK51961

       UP09/11/20 P F911

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:
20 January 2010