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IT33057: MULTIPLE EXPLICIT REBIND OF SAME PACKAGE MAY ENCOUNTER DEADLOCK

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APAR status

  • Closed as fixed if next.

Error description

  • Multiple rebind package may encounter deadlock.
    
    Here is a sample from db2diag.log
    020-04-10-16.32.36.347796+540 I355336A2956         LEVEL: Event
    PID     : 19005480             TID : 13809          PROC :
    db2sysc 0
    INSTANCE: e105q4sa             NODE : 000           DB   :
    DEADLOCK
    APPHDL  : 0-3365               APPID:
    *LOCAL.e105q4sa.200410074339
    AUTHID  : E105Q4SA             HOSTNAME: athena
    EDUID   : 13809                EDUNAME: db2agent (DEADLOCK) 0
    FUNCTION: DB2 UDB, lock manager, sqlplWaitOnWP, probe:999
    MESSAGE : ZRC=0x80100002=-2146435070=SQLP_LDED "Dead lock
    detected"
              DIA8002C A deadlock has occurred, rolling back
    transaction.
    DATA #1 : <preformatted>
    Caught rc 0x80100002.  Dumping stack trace.
    CALLSTCK: (Static functions may not be resolved correctly, as
    they are resolved to the nearest symbol)
      [0] 0x090000009E5FE2B0 pdLogPrintf + 0x28
      [1] 0x090000009DA78FF8
    sqlplWaitOnWP__FCP9sqeBsuEduCP14SQLP_LOCK_INFOCP8SQLP_LRBCP15SQL
    P_LTRN_CHAINCbN25 + 0xD28
      [2] 0xFFFFFFFFFFFFFFFC ?unknown + 0xFFFFFFFF
      [3] 0x090000009DACCEE4
    sqlplWaitOnWP__FCP9sqeBsuEduCP14SQLP_LOCK_INFOCP8SQLP_LRBCP15SQL
    P_LTRN_CHAINCbN25 + 0x29A4
      [4] 0x090000009DD2CDFC sqlplrq__FP9sqeBsuEduP14SQLP_LOCK_INFO
    + 0x1AE8
      [5] 0x090000009DD2DB74 sqlplrq__FP9sqeBsuEduP14SQLP_LOCK_INFO
    + 0x2860
      [6] 0x090000009DD33910
    sqlrr_get_lock__FP8sqlrr_cbP14SQLP_LOCK_INFOUiPUi + 0x1BC
      [7] 0x090000009D686AB4
    sqlra_pkg_lock__FP8sqlrr_cbPUcsT2T3T2UlUiiP14SQLP_LOCK_INFO +
    0x170
      [8] 0x090000009B64B644
    sqlra_execute_event__FP8sqlrr_cbP20SQLR_RPC_APM_REQUEST + 0xF3C
      [9] 0x090000009B645EC8
    sqlra_execute_event__FP8sqlrr_cbP20SQLR_RPC_APM_REQUEST + 0x274
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * all                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to V11.1 M4 FP6                                      *
    ****************************************************************
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    IT33057

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    A50

  • Status

    CLOSED FIN

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-06-02

  • Closed date

    2021-02-18

  • Last modified date

    2021-02-18

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

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

    IT34671 IT35954

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

[{"Line of Business":{"code":"LOB10","label":"Data and AI"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"10.5"}]

Document Information

Modified date:
27 February 2021