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2047774 - Non-Fatal Error at s_bm_priv.h with stack at v2s_bmcontext::bmselfcpytail1 - SAP IQ

Symptom

  • Suddenly any DML query (Insert, Update, Delete) on a specific table was returned Error  's_bm_priv.h: .'.
  • The table has more than 20 billion rows. Dropping HG & LF indexes on the table didn't helpful from the error.
  • sp_iqcheckdb of the table returned "No Errors Detected".
  • Following error messages and Stack maybe reported in the iqmsg file:

  • Example 1:
    ********************************************************
    **       Non-Fatal IQ Internal Error Detected
    **       at /cm/iqa/include/s_bm_priv.h:1215  on thread 1196 (TID 1187)
    **       Bitmap failed verify checks. ...
    ********************************************************         
    v2s_bmcontext..bmselfcpytail1
    v2s_bmcontext..bmselfsetrng
    s_bm..SetBitsEyyi
    s_bmTSCursor..FlushEv
    hs_dpInsert..Insert..s_IndexIteratoriiPKc
    hs_dpUpdate..Update s_IndexIterator_UpdatePageSetiPK
    ...
    Bitmap failed internal checks. You may have a damaged index. Please check your IQ message file for additional information.  -- (/cm/iqa/include/s_bm_priv.h 1215)

  • Example 2:
    ********************************************************
    **
    ** Non-Fatal IQ Internal Error Detected
    ** at /home/iqabuild/views/links/r16.0.0_sp11_nbld_linux_64/gitsrc/cm/iqa/include/s_bm_priv.h:1257 on thread 140685555537664 (TID 2303)
    ** with Query_Name: query1
    ** Bitmap failed verify checks. ...
    ********************************************************
    sbm_exception::sbm_exception
    v2s_bmcontext::bmselfcpytail1
    v2s_bmcontext::bmselfunion
    s_bm::SetBits
    s_workingGroup::Complete
    s_gInsertCursor::CompleteOneGroup
    hs_ohcInsert::CompleteGroup
    hs_ohcInsert::DoInsert
    dfo_HGIndexInsert::FetchOpus
    df_CombinerFetchContext::Fetch
    hc_dfrun::FillRun
    hc_dmfrun::InitNextWorkUnit
    ...
    Bitmap failed internal checks. Please check your IQ message file for additional information.


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Environment

SAP IQ 

Product

SAP IQ 16.0 ; SAP IQ 16.1

Keywords

Bitmap failed verify checks ,CR 818612,CR 824681,CR 824507,bmselfcpytail1,SetBits,s_bm_priv.h,v2s_bmcontext..bmselfcpytail , KBA , BC-SYB-IQ , Sybase IQ , Known Error

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