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2771057 - signal 11 in LeSendRow::_sendColsToClient - SAP ASE

Symptom

ASE processes fail and catch the signal 11 exception. Per the ASE log:

Current process (0x1c900e5) infected with signal 11

The accompanying stacktrace includes the following functions:

LeSendRow::_sendColsToClient
LeSendRow::sendRowToClient
LeEmitSndOp::_LeEoRouteResults
LeRetnCode LeEmitSndOp::_LeOpNext
LeRetnCode LeOperator::LeOpNext

NOTE: On systems running SAP applications, the failure results in any one or more of the following perilous behaviours -

  • ASE database server shuts down immediately
  • There are several disconnects on the SAP application-end rendering the system unusable
  • The corresponding SAP work process remains and accumulates memory while the failure of the ASE process goes unnoticed
  • The infected ASE process becomes a zombie and cannot be killed.
  • The zombie ASE process accumulates transaction log space and ASE runs of of log space, rendering the system unusable

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Environment

  • SAP Adaptive Server Enterprise (ASE) 16.0
  • SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite
  • SAP ERP 6.0
  • SAP Netweaver (all versions)

Product

SAP Adaptive Server Enterprise 16.0

Keywords

LeSendRow::_sendColsToClient, zombie, exception, 818806, CR818806, 816054, CR186054 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-DB-SYB , SAP Business Suite on Sybase ASE Database Platform , Problem

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