2265972 - IQ crashed with stack at st_server.cxx:1432.

• IQ server crashed with the following message:
  I. 01/11 15:19:05. 0002571202 **************************************************
  I. 01/11 15:19:05. 0002571202 ***   Sybase IQ Abort:
  I. 01/11 15:19:05. 0002571202 ***      From:  st_server.cxx:1432
  I. 01/11 15:19:05. 0002571202 ***      PID: 8192106
  I. 01/11 15:19:05. 0002571202 ***      Message: caught signal 11, program abort
  I. 01/11 15:19:05. 0002571202 ***      Thread: 77616  (TID: 34)
  I. 01/11 15:19:05. 0002571202 **************************************************
  
• A message with "Cancellation request received:" also reported in iqmsg file for the same connection:
  I. 01/11 15:18:22. 0000000000 Cancellation request received:  SA connHandle: 495579  SA connID: 141  IQ connID: 0002571202  User: Euser
  
• The same connection report the following stacktrace and a stacktrace file also generated.
  I. 01/11 15:19:05. 0002571202 pc: 0x8000000026c1268 .pcstkwalk(stk_trace*,int,db_log*,hos_fd*)+0x1c8()
  I. 01/11 15:19:05. 0002571202 pc: 0x8000000026c0b58 .ucstkgentrace(int,int)+0xb8()
  I. 01/11 15:19:05. 0002571202 pc: 0x8000000026bf2e4 .DumpAllThreads(const char*,unsigned int,int)+0x184()
  I. 01/11 15:19:05. 0002571202 pc: 0x800000001e641f8 .hos_ABORT(const char*,unsigned int,const char*,char*,char*)+0x1d8()
  I. 01/11 15:19:05. 0002571202 pc: 0x8000000026c6c54 .SigHndlr+0x54()
  I. 01/11 15:19:05. 0002571202 pc: 0x80000000000a894 .Q_remove+0x14()
  I. 01/11 15:19:05. 0002571202 pc: 0x800000000fa81a0 .TDSPres::ComnRequestFree()+0xe0()
  I. 01/11 15:19:05. 0002571202 pc: 0x800000000f9efcc .TDSPres::SendMarker(an_sqlpres_marker,an_sqlpres_tran_status,int)+0xec()
  I. 01/11 15:19:05. 0002571202 pc: 0x800000000114354 .RequestProcedure::call()+0x894()
  I. 01/11 15:19:05. 0002571202 pc: 0x80000000027f2b8 .Context::call(Procedure*,Context**)+0x78()
  I. 01/11 15:19:05. 0002571202 pc: 0x800000000280c28 .Worker::call_on_stack(Procedure*)+0x48()
  I. 01/11 15:19:05. 0002571202 pc: 0x800000000115f64 .TopProcedure::call()+0x44()
  I. 01/11 15:19:05. 0002571202 pc: 0x800000000280538 .Worker::spawn(Procedure*)+0x98()

• SAP IQ 15
• SAP IQ 16

st_server.cxx:1432
.Q_remove
.TDSPres::ComnRequestFree , KBA , BC-SYB-IQ , Sybase IQ , Problem