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LI74171: DB2 crash with SIGSEGV in sqlnq_qtbqunchild2 or sqlnq_qtboprparent2

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • DB2 instance abend with SIGSEGV (signal 11) in either
    sqlnq_qtbqunchild2 or sqlnq_qtboprparent2 function during query
    processing.
    
    Here are some examples of the SIGSEGV traps -
    
    Example #1 -
    
    _ZN17sqlnq_qtbqunchild2ppEv
    _Z17sqlnr_sop_fix_hxpP9sqlnq_oprPiP3loc
    _Z21sqlnr_setophxp_actionP10sqlnr_qrwaPiP14sqlnr_progress
    _Z10sqlnr_compPiiP16sqlnr_rule_stateP10sqlnr_qrwaP14sqlnr_progre
    ss
    _Z9sqlnr_seqPiP10sqlnr_qrwaP14sqlnr_progressP12sqlnr_rclass
    ...
    
    Example #2 -
    
    _ZN18sqlnq_qtboprparent2opEv
    _Z17sqlnr_sop_fix_hxpP9sqlnq_oprPiP3loc
    _Z21sqlnr_setophxp_actionP10sqlnr_qrwaPiP14sqlnr_progress
    _Z10sqlnr_compPiiP16sqlnr_rule_stateP10sqlnr_qrwaP14sqlnr_progre
    ss
    _Z9sqlnr_seqPiP10sqlnr_qrwaP14sqlnr_progressP12sqlnr_rclass
    ...
    

Local fix

  • n/a
    

Problem summary

  • Users affected:
    All.
    
    Problem Description:
    See "ERROR DESCRIPTION" section for more details.
    
    Problem Summary:
    Without this APAR, customer is exposed to the issue
    as described in the "ERROR DESCRIPTION" section.
    

Problem conclusion

  • First fixed in DB2 UDB Version V9.1, FixPak 8.
    

Temporary fix

Comments

APAR Information

  • APAR number

    LI74171

  • Reported component name

    DB2 UDE ESE LIN

  • Reported component ID

    5765F4104

  • Reported release

    910

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-01-28

  • Closed date

    2009-10-14

  • Last modified date

    2009-10-14

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

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

    LI74231 LI74250 IC63968

Fix information

  • Fixed component name

    DB2 UDE ESE LIN

  • Fixed component ID

    5765F4104

Applicable component levels

  • R910 PSY

       UP

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"910","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
17 October 2021