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

Db2 Version 11.1 Mod 4 Fix Pack 5 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 6 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 6 for Linux, UNIX, and Windows

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 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

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