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2961133 - Infected with signal 11 (SIGSEGV) in LeProcessExecStats - SAP ASE

Symptom

  • A client connection executing sp_showplan or calling the show_plan() function directly is unexpectedly terminated
  • The ASE errorlog contains an error sequence showing process infected with 11 error in LeProcessExecStats
  • Followed by with a stack trace that includes the following functions:

LeProcessExecStats
LePlanRelease
exec_lava

  • As a result of the signal 11, ASE has a secondary failure in the error handling which shows just after the "SQL Causing Error" section with message:

    "FATAL UNHANDLED EXCEPTION: signal -142738352 hit while handling a previously hit signal. The server cannot continue and will shut down."

  • ASE then shuts itself down.


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Environment

SAP Adaptive Server Enterprise (ASE) 16.0 SP03

Product

SAP Adaptive Server Enterprise 16.0

Keywords

Sybase, infected, signal, SEGV, SIGSEGV, segment violation, storage access violation, kisignal, show_plan, sp_showplan, crash, fatal unhandled exception , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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