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IC79555: WHEN AN INVALID XID OF THE XATRANSACTION IS PASSED TO DB2 THE DB2 ENGINE WILL BE INTO PANIC.

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • If the application or user passes  an invalid XID of the
    XAtransaction to the DB2 engine the DB2 engine will be into
    PANIC.  You may see the following entry in the db2diag.log file:
    
    2011-06-13-18.51.10.604936-300 I738275A1461       LEVEL: Severe
    PID     : 610488               TID  : 10778       PROC : db2sysc
    INSTANCE: SAMPLE               NODE : 000         DB   : SAMPLE
    APPHDL  : 0-15624              APPID: x.x.x.x.yyyy.110613235110
    AUTHID  : SAMPLE
    EDUID   : 10778                EDUNAME: db2agent (SAMPLE) 0
    FUNCTION: DB2 UDB, SQO Latch Tracing,
    sqlo_xlatch::releaseConflict, probe:10
    DATA #1 : String, 27 bytes
    unlocking an unlatched lock
    DATA #2 : Pointer, 8 bytes
    0x0700000040501f80
    DATA #3 : String, 99 bytes
    {
       lock          = { 0x00000000 [ unlocked ] }
       identity      = SQLP_TENTRY::applLatch (351)
    }
    DATA #4 : Hexdump, 8 bytes
    0x0700000040501F80 : 0000 0000 015F 0000
    ....._..
    CALLSTCK:
      [0] pdLog + 0x88
      [1] pdLog@glue354 + 0x128
      [2] sqloSpinLockReleaseConflict + 0x190
      [3] sqloSpinLockReleaseConflict@glue79 + 0x74
      [4] sqlpxend__FP8sqeAgentP15SQLXA_CALL_INFOiP14SQLP_XEND_INFO
      [5] sqlrxend__FP8sqlrr_cbP15SQLXA_CALL_INFOi + 0x764
      [6] sqlrr_xend__FP14db2UCinterface + 0x1B8
      [7] sqljsSyncEnd__FP14db2UCinterface + 0x540
      [8] sqljs_ddm_syncctl__FP14db2UCinterfaceP13sqljDDMObject
      [9] sqljsParseRdbAccessed__FP13sqljsDrdaAsCbP13sqljDDMObjectP1
    

Local fix

  • Pass the valid XID to the DB2 engine.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to v9.7.6.                                           *
    ****************************************************************
    

Problem conclusion

  • Upgrade to v9.7.6.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC79555

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    970

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-11-01

  • Closed date

    2012-07-20

  • Last modified date

    2012-07-20

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

    IV04713

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

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R970 PSN

       UP

  • R970 PSY

       UP



Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 9.7

Reference #: IC79555

Modified date: 20 July 2012