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IT28258: TRAP ON IBM_CDE::TYPES::BITSTRING::COMPACTANDAPPENDCPU

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APAR status

  • Closed as program error.

Error description

  • After upgrading to DB2 v11.1Mod4 and Fix Pack 4, queries might
    crash the instance with the following stack:
    
    Stack:
     ======================
    
     00007FF983DCB7D8
    <ibm_cde::types::BitString::compactAndAppendCPU>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\cde\types\BitStringSIMD
    Impl.hpp:913>
      00007FF97F2FD840 <compactAndAppendInlined>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\cde\services\tools\Coun
    tedPtrWithCopyImpl.hpp:95>
      00007FF97F2EBC62
    <ibm_cde::types::VectorBase<ibm_cde::types::NullIndIncluded,
    ibm_cde::types::PolicySIMPLE>::compactAndAppendGeneral>
      00007FF982DEA301
    <ibm_cde::query::LookupGroupingHashTableEvaluator::processInputs
    Synchronously_helper>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\cde\groupby\LookupGroup
    ingHashTableEvaluator.cpp:3093>
      00007FF982DE5774 <processInputsSynchronously_helper1>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\cde\groupby\LookupGroup
    ingHashTableEvaluator.cpp:1698>
      00007FF982DDDB1E
    <ibm_cde::query::LookupGroupingHashTableEvaluator::processInputs
    Synchronously>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\cde\groupby\LookupGroup
    ingHashTableEvaluator.cpp:1437>
      00007FF97F98D2D4 <ibm_cde::query::Evaluator::evaluate>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\cde\services\tools\Gene
    ralTimer.hpp:71>
      00007FF97F6EF885 <ibm_cde::query::EvaluationRoutine::evaluate>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\cde\query\EvaluationRou
    tine.cpp:11274>
      00007FF97F5792AA <ibm_cde::query::Scheduler::evaluateChain>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\cde\query\Scheduler.cpp
    :2858>
      00007FF97F57E361 <ibm_cde::query::Scheduler::runWorkerThread>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\cde\query\Scheduler.cpp
    :3077>
      00007FF97F590A60 <ibm_cde::query::cdeEntryPointImpl>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\cde\query\Scheduler.cpp
    :3889>
      00007FF97F5E9C67 <cdeInterface::startCdeSubagent>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\cde\query\cde_interface
    .C:7680>
      00007FF97D8B7BD2 <sqlriInvokeCde>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\sqri\sqlri_smp.C:4810>
      00007FF97D865BE3 <sqlriSectInvoke>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\include\sqlriManageSect
    ions.h:1570>
      00007FF97D4394DC <sqlrr_subagent_router>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\sqr\sqlrr_subagent_rout
    er.C:3088>
      00007FF97B240BC2 <sqleSubRequestRouter>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\sqe\sqlesagt.C:1449>
      00007FF97B23F6DB <sqleProcessSubRequest>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\sqe\sqlesagt.C:1919>
      00007FF97B0C7C06 <sqeAgent::RunEDU>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\sqe\sqle_agent.C:5139>
      00007FF97E5CD2AF <sqlzRunEDU>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\sqz\sqlz_edu_obj.C:450>
      00007FF9B6021D56 <sqloEDUEntry>
    <S:\db2_v111m4fp4\ntx64\s1811091400\engn\sqo\sqloedu.C:3834>
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 11.1 Mod 4 Fixpack 5 or higher                *
    ****************************************************************
    

Problem conclusion

  • First fixed in Db2 11.1 Mod 4 Fixpack 5
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT28258

  • 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

    2019-02-28

  • Closed date

    2020-01-16

  • Last modified date

    2020-01-16

  • 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":"BU058","label":"IBM Infrastructure w\/TPS"},"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:
04 May 2022