2014467 - Server hang after internal error at s_bm:1376 "Bitmap result bitcount not in legal range" - SAP IQ | SAP Knowledge Base Article

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2014467 - Server hang after internal error at s_bm:1376 "Bitmap result bitcount not in legal range" - SAP IQ

Symptom

Loading a table in SAP IQ returns an internal error at s_bm.cxx:1376.   The server may become unresponsive or hang after this error is returned.

The stack trace header includes the following error:

Non-Fatal IQ Internal Error Detected at s_bm.cxx:1376  on thread 416 (TID 407)
Bitmap result bitcount not in legal range.
Bitmap failed internal checks. You may have a damaged index
   

The stack trace itself includes the following function calls:

sbm_exception::sbm_exception
s_bm::SetBits(
s_VersioningBlockmap::Deallocate
s_buf::DirtyInternal
s_bufpartition::FindLogicalBuffer\
s_blockmap::FindAndDirty
s_prefetch::FindAndDirty
s_pageListCursor::PositionPrefetchedPage
s_pageListCursor::PositionPage


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Environment

  • SAP IQ Version -  IQ15.2 ESD2  
  • SAP IQ Version -  IQ15.4 ESD3.7

Product

SAP Sybase IQ 15.2 ; SAP Sybase IQ 15.4

Keywords

KBA , BC-SYB-IQ , Sybase IQ , Bug Filed

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