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IT17361: FODC_TRAP, DROP() HIT SEGV DURING SQLNR_SPLIT_AND_GBPD

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APAR status

  • Closed as program error.

Error description

  • Certain query could cause db2 server to generate FODC_trap.
    Subsequently db2 server fails the query and suspends its
    associated db2agent EDU.
    
    The trap has the following stack:
    
    DB2 build information: DB2 v10.1.0.5 special_35237 SQL10015
    timestamp: 2016-06-28-04.50.06.763552
    instance name: db2test1.999
    EDU name     : db2agent (SAMPLE) 999 [-]
    EDU ID       : 97052
    Signal #11
    uname: S:AIX R:1 V:6 M:00F630294C00 N:host01
    
    .......
    
    0x090000000AE6D9C4 drop__9sqlnq_qtbFP13sqlnq_memPool + 0x11FC
    0x0900000009D17884 box_drop_ts__9sqlnq_qtbFiN21 + 0x1154
    0x090000000C8526CC
    sqlnr_split_and_gbpd__FP9sqlnq_qtb20sqlnr_partition_modeRiPP13sq
    lnq_deplist + 0x368
    0x090000000C852188
    sqlnr_gbpd_action__FP10sqlnr_qrwaPiP14sqlnr_progress + 0xD0
    0x0900000009A34520
    .sqlnr_comp.fdpr.clone.1423__FPiiP16sqlnr_rule_stateP10sqlnr_qrw
    aP14sqlnr_progress + 0x300
    0x0900000009A33FFC
    sqlnr_seq__FPiP10sqlnr_qrwaP14sqlnr_progressP12sqlnr_rclass +
    0xBC
    0x0900000009A33D1C sqlnr_rcc__FiP10sqlnr_qrwaPiP14sqlnr_progress
    + 0xC4
    0x0900000009A34848
    sqlnr_endqtb_action__FP10sqlnr_qrwaPiP14sqlnr_progress + 0x15C
    0x0900000009A34520
    .sqlnr_comp.fdpr.clone.1423__FPiiP16sqlnr_rule_stateP10sqlnr_qrw
    aP14sqlnr_progress + 0x300
    0x0900000009A33FFC
    sqlnr_seq__FPiP10sqlnr_qrwaP14sqlnr_progressP12sqlnr_rclass +
    0xBC
    0x0900000009A33D1C sqlnr_rcc__FiP10sqlnr_qrwaPiP14sqlnr_progress
    + 0xC4
    0x0900000009A392A0
    sqlnr_start_action__FP10sqlnr_qrwaPiP14sqlnr_progress + 0x2F4
    0x0900000009A34520
    .sqlnr_comp.fdpr.clone.1423__FPiiP16sqlnr_rule_stateP10sqlnr_qrw
    aP14sqlnr_progress + 0x300
    0x0900000009A33FFC
    sqlnr_seq__FPiP10sqlnr_qrwaP14sqlnr_progressP12sqlnr_rclass +
    0xBC
    0x0900000009A33D1C sqlnr_rcc__FiP10sqlnr_qrwaPiP14sqlnr_progress
    + 0xC4
    0x090000000C933C68 sqlnr_exe__FP9sqlnq_qur + 0x188
    0x090000000986C85C
    sqlnn_cmpl__FP8sqeAgentP11sqlrrstrings17sqlnn_compileModeT3P14sq
    lrr_cmpl_enviT7PP9sqlnq_qur + 0x4C0
    0x090000000987275C
    sqlnn_cmpl__FP8sqeAgentP11sqlrrstrings17sqlnn_compileModeT3P14sq
    lrr_cmpl_env + 0x50
    ........
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 11.1 Mod1 Fix pack1 or higher                 *
    ****************************************************************
    

Problem conclusion

  • First fixed in Db2 11.1 Mod1 Fix pack1
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT17361

  • 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

    2016-10-05

  • Closed date

    2017-10-10

  • Last modified date

    2017-10-10

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

    IT15987

  • 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

[{"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":"11.1","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
29 June 2020