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2743737 - Signal 11 in prObject_list() when running sp_showplan - SAP ASE 16.0

Symptom

  • User connections unexpectedly disconnect when running sp_showplan.
  • "Infected with signal 11" errors in the module prObject_list() together with stack traces are reported in the ASE errorlog:

Current process (0x15910034) infected with signal 11 (SIGSEGV)
Address 0x0x0000000001072516 (prObject_list+0x1ec), siginfo (code, address) = (1, 0x0x000000000000004a)

  • The stacktraces include the functions: 

prObject_list
showplan
show_plan

   Note: A complete stack trace is available under Attachments.

  • Occasionally zombie processes may be left behind as well.


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Environment

  • SAP Adaptive Server Enterprise (ASE) 16.0
  • SAP Adaptive Server Enterprise Cluster Edition (ASE CE) 16.0

Product

SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise 16.0 Cluster Edition

Keywords

Sybase, ASEServer, SAPASE, dataserver, CR818065, CR#818065, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, registers, 818065 , 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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