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2953080 - ASE crash due to stacktrace on s_unkeep_cached_stmts and "secondary signal handler" set to 0 - ASE

Symptom

  •  sp_configure "secondary signal handling" is set to 0
  • The following stack trace is reported in the error log

 kernel  FATAL UNHANDLED EXCEPTION: signal 0 hit while handling a previously hit signal. The server cannot continue and will shut down.
 kernel  pc: 0x00000000015240c0 pcstkwalk+0x482()
 kernel  pc: 0x0000000001523a7f ucstkgentrace+0x20f()
 kernel  pc: 0x00000000015202b2 ucbacktrace+0x54()12:0500:0007:00000:00251:2020/07/16 01:11:44.46 kernel  pc: 0x00000000021ea5c5 kepanic+0xe5()
 kernel  pc: 0x00000000015509be kisignal+0x938()
 kernel  pc: 0x00000000020383a2 s_unkeep_cached_stmts+0x32()
 kernel  pc: 0x0000000002048f20 s_free+0x790()
 kernel  pc: 0x0000000001821334 batch_loopend+0x3b4()
 kernel  [Handler pc: 0x0x00000000021961c0 ut_handle installed by the following function:-]
 kernel  pc: 0x00000000018234ce conn_hdlr+0xfce()
 kernel  end of stack trace, spid 251, kpid 1015480446, suid 6
 kernel  ueshutdown: exiting
 kernel  bucket manager consolidator terminating
 kernel  Main thread performing final shutdown.
 kernel  Blocking call queue shutdown.


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Environment

  • SAP Adaptive Server Enterprise (ASE) 16.0
  • SAP Solution Manager 7.2

Product

SAP Adaptive Server Enterprise 16.0 ; SAP Solution Manager 7.2

Keywords

secondary, signal, handling, Fatal, exception, infected, 822069, CR 822069 , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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