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2815487 - Query using worker processes hangs - SAP ASE

Symptom

  • A query that uses worker processes never returns (hangs)
  • DBCC STACKTRACE run on both parent and worker spids show the following functions on the top of the stack:

    upsleepgeneric
    pipe_read
    LePipeRWState::_LePrwsReadConstant(LeColumn*, pipe_client_rwmode, int)

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Environment

SAP Adaptive Server Enterprise (ASE)

Product

SAP Adaptive Server Enterprise 12.5 ; SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 15.7 Cluster Edition ; SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise 16.0 Cluster Edition ; Sybase Adaptive Server Enterprise 12.5 ; Sybase Adaptive Server Enterprise 15.0 ; Sybase Adaptive Server Enterprise 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.0 ; Sybase Adaptive Server Enterprise Cluster Edition 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.7

Keywords

Sybase, ASEServer, SAPASE, dataserver, hang, hanging, sleep, sleeping, parallel, worker    , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , Bug Filed

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