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IT22580: CRASH MAY BE ENCOUNTERED WHILE COLLECTING EXPLAIN ON A QUERY.

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • DB2 may encounter crash signal 11 when collecting an explain on
    a query.
    The below stack will be seen.
    
    0        ossDumpStackTraceInternal
    1        ossDumpStackTraceV98
    2        OSSTrapFile::dumpEx
    3        sqlo_trce
    4        sqloEDUCodeTrapHandler
    5        _IO_ftrylockfile
    6        __intel_avx_rep_memcpy
    7        sqliBuildKeyRec
    8        sqlipcPrepareForNewKey
    9        sqliGetInsertSpaceInfo
    10       sqliNormalAddKey
    11       sqliakn
    12       addkeyToLeaf
    13       procLeaf2Add
    14       sqlischa
    15       sqliaddk
    16       sqldKeyInsert
    17       sqldRowInsert
    18       sqlrinsr
    19       sqlnx_exp_insert_row
    20       sqlrkexp
    21       sqlrr_rpc_router
    22       sqlrr_subagent_router
    23       sqleSubRequestRouter
    24       sqleProcessSubRequest
    25       sqeAgent::RunEDU
    26       sqzEDUObj::EDUDriver
    27       sqloEDUEntry
    28       __nptl_setxid
    29       clone
    

Local fix

  • Drop and re-create the Explain tables using
    SYSPROC.SYSINSTALLOBJECTS().
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 11.1 Mod 3 Fix Pack 3 or higher               *
    ****************************************************************
    

Problem conclusion

  • First fixed in Db2 11.1 Mod 3 Fix Pack 3
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT22580

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-09-28

  • Closed date

    2018-03-19

  • Last modified date

    2018-03-19

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

  • 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

  • RB10 PSN

       UP

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEPGG","label":"DB2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
19 March 2018