3322991 - Connection to SAP IQ NLS crash - SAP IQ

• Connection to SAP IQ NLS could crash.
• Sometimes, a core file is generated.
• In dev_w worker process log, a memory address and OS SIGSEGV (Signal l1) issue can be seen.

Excerpt of dev_w log

B  Loading DB library '/usr/sap/<SID>/D00/exe/dbsybslib.so' ...
B  Library '/usr/sap/<SID>/D00/exe/dbsybslib.so' loaded
B  Version of '/usr/sap/<SID>/D00/exe/dbsybslib.so' is "777.05", patchlevel (0.500)
C  trace file set
B  Connect to RISEAID as DBA with SYBASE_CONTYPE=IQ SYBASE_SERVER=<IQ Server Hostname> SYBASE_PORT=30038 SYBASE_IQ_ENGINE=<IQ engine name> SYBASE_DBNAME=SAPIQDB SYBASE_IQ_LOCKWAIT=600
C  using lock wait time 600 for Sybase IQ.
C  load of IQ library libdbodbc17.so successful.
M  si_code = 1
M  Sending process ID = 0
M  Real user ID of sending process = 0
M  SEGV_MAPERR: Address not mapped to object
M  (nil) (Memory location which caused fault)
M  ------------------ C-STACK ----------------------
dw.sap<SID>_D00[S](LinStackBacktrace(void**, int, int)+0xa9)[0x559f353b35ca,0x7225ca]
dw.sap<SID>_D00[S](LinStack(_IO_FILE*)+0x4d)[0x559f353b7253,0x726253]
dw.sap<SID>_D00[S](CTrcStack2+0x4b)[0x559f353b3007,0x722007]
dw.sap<SID>_D00[S](SigIGenAction+0x9ce)[0x559f377a592e,0x2b1492e]
M  ------------------ c-stack end ------------------
M  ***LOG Q0E=> SigIGenAction, signal ( 11) [sigux.c      1928]
M  caught SIGSEGV (11)
M  ThSigHandler (terminate=0, reason=Signal)
M  in_ThErrHandle: 1
M  ThIErrHandle: set thRc ERROR-CORE-ABORTED_BY_SIGNAL for T4_U5916_M0
M  ThResetEmMagic: reset em magic for T4_U5916_M0_I0
M  ThIErrHandle: handle 'ThSigHandler: Signal' for T4_U5916_M0 (step TH_WORK_SYNC, thRc ERROR-CORE-ABORTED_BY_SIGNAL, action RETURN_FOR_DUMP)
X  MmxCheckOpenHandles: No open MMX handles

• SAP IQ Server 16.1
• SAP IQ Network Client 16.1
• SAP BW 2.0

"Signal 11" ; "SEGV_MAPERR: Address not mapped to object" ; SEGV_MAPERR ; nil ; "Memory location which caused fault"; memory ; fault ; , KBA , BW-SYS-DB-IQ , BW on HANA with Sybase IQ Near-line Storage , BC-SYB-IQ , Sybase IQ , Problem