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2440971 - Update on table results in BUFMAN_BLOCKMAP_INFO_ERROR -- SAP IQ 16

Symptom

Update statement which is part of a stored procedure results in BUFMAN_BLOCKMAP_INFO_ERROR on nBit FP index after couple of hours of processing.

  • The procedure execution terminates with a Non-Fatal stacktrace
  • sp_iqcheckdb on FP index shows 'No Errors Detected'
  • sp_iqcheckfpconsistency on table also is clean with 'No Errors Detected'
  • The thread resulting in stacktrace has the following functions calls:
    s_blockmap::GetBlockmapEntryInfo
    s_blockmap::FindAndMakeDirtiable
    s_bArrayCursor::FindForMerge
    s_mergeFINALWriter::LoadPageForMerge
    s_mergeFINALWriter::DoInsert()
    hs_dpInsert::Insert
    hs_dpUpdate::Update
    db_sqlinsert::UpdateIndex
    db_UpdateIterator::LocalExecWork
    db_UpdateIterator::ExecWork
    workAllocator::DoWork
    hos_thread::Main
    hos_lwtask::Start
    IQWorkerStarter


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Environment

SAP IQ 16.0 SP11 PL06

Product

SAP IQ 16.0

Keywords

 CR805722, CR#805722, 805722, stacktrace, stktrc, non fatal, corruption, checkdb, fp consistency , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed

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