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DB2 - Problem description

Problem IT21810 Status: Closed

MEMORY CRASH WHEN CALL SYBASE WRAPPER THROUGH FEDERATED.

product:
DB2 FOR LUW / DB2FORLUW / B10 - DB2
Problem description:
Memory crash with:

2015-11-05-15.10.54.622301-300 E1322840E1017         LEVEL:
Severe
PID     : 25971                TID : 140644261553920 PROC :
db2sysc 0
INSTANCE: db2inst1             NODE : 000            DB   :
SAMPLE
APPHDL  : 0-1536               APPID: X.x.x.x.151105194709
AUTHID  : DB2INST1             HOSTNAME: test
EDUID   : 87                   EDUNAME: db2agent (SAMPLE) 0
FUNCTION: DB2 UDB, SQO Memory Management,
sqloLogMemoryCondition,
probe:900
MESSAGE : The memory protect feature relies on resources
governed by /proc/sys/vm/max_map_count.  We are getting a
condition which could be caused by max_map_count being set too
low.  Try to bump this value up and retry the scenario.  Rule of
thumb is: 300,000 should be a good value for testing.  For
scenarios that require lots of allocations, such as BLU, you
might need to increase this value further.  This instance will
be crashed on purpose because we can no longer continue.

One of the two stacks:

x00007FEA65E236CA
_ZN17Remote_Connection23remove_remote_operationEP16Remote_Operat
ion +
0x00fa
(/home/db2inst1/sqllib/lib64/libdb2e.so.1)
0x00007FEA65E237B7
_ZN17Remote_Connection28remove_all_remote_operationsEv + 0x0047
(/home/db2inst1/sqllib/lib64/libdb2e.so.1)
0x00007FEA65E23465 _ZN17Remote_ConnectionD1Ev + 0x0045
(/home/db2inst1/sqllib/lib64/libdb2e.so.1)
0x00007FE9E0A4B042 _ZN15Odbc_ConnectionD1Ev + 0x00c2
(/home/db2inst1/sqllib/lib64/libdb2rcodbcF.so)
0x00007FE9E0A4AF6A _ZN15Odbc_ConnectionD0Ev + 0x000a
(/home/db2inst1/sqllib/lib64/libdb2rcodbcF.so)
0x00007FEA65E1B93D
_ZN12FencedServer10disconnectEP17Remote_Connection +
0x010d
(/home/db2inst1/sqllib/lib64/libdb2e.so.1)
0x00007FEA65E1A3B4
_ZN12FencedServer16drop_remote_userEP11Remote_User16Sqlqg_Delete
Type +
0x0124

1        ossDumpStackTraceV98
2        OSSTrapFile::dumpEx
3        sqlo_trce
4        sqloEDUCodeTrapHandler
5        __PRETTY_FUNCTION__.6093
6        sqloCrashOnCriticalMemoryValidationFailure
7        sqloMemProtect
8        SQLO_MEM_POOL::allocateFastMemoryBlock
9        SQLO_MEM_POOL::allocateMemoryBlock
10       sqlogmblkEx
11       sqlnq_cst::populate_from_cd
12       sqlnq_fcs::need_statistics
13       sqlno_col_width
14       sqlno_width_cols_iset
15       sqlno_global_cols_width
16       sqlno_get_buffer_size
17       sqlno_cost_fetch
18       sqlno_prop_fetch

2016-01-11-15.46.32.115776-300 E6820952E971          LEVEL:
Error (Received)
PID     : 27974                TID : 140162633819904 PROC :
db2sysc 0
INSTANCE: db2inst1             NODE : 000            DB   :
FED_DEV
APPHDL  : 0-9483               APPID: *LOCAL.db2inst1.xxxxxx
AUTHID  : DB2INST1             HOSTNAME: test
EDUID   : 286                  EDUNAME: db2agent (FED_DEV) 0
FUNCTION: DB2 UDB, ODBC wrapper, report_error_message,
probe:1131
DATA #1 : String, 16 bytes
Server name:
DATA #2 : String, 8 bytes
CSDWPROD
DATA #3 : String, 16 bytes
Function name:
DATA #4 : String, 15 bytes
num_result_cols
DATA #5 : String, 16 bytes
ODBC native err:
DATA #6 : signed integer, 4 bytes
2706
DATA #7 : String, 16 bytes
ODBC sqlstate:
DATA #8 : String, 5 bytes
42S02
DATA #9 : String, 16 bytes
ODBC error text:
DATA #10: String, 116 bytes
[DataDirect][ODBC Sybase IQ Wire Protocol driver][Sybase IQ]SQL
Anywhere Error -141: Table 'sysstatistics' not found

2016-01-11-15.46.32.116894-300 E6821924E659          LEVEL:
Error (Received)
PID     : 27974                TID : 140162633819904 PROC :
db2sysc 0
INSTANCE: db2inst1             NODE : 000            DB   :
FED_DEV
APPHDL  : 0-9483               APPID: *LOCAL.db2inst1.xxxxxx
AUTHID  : DB2INST1             HOSTNAME: test
EDUID   : 286                  EDUNAME: db2agent (FED_DEV) 0
FUNCTION: DB2 UDB, ODBC wrapper, Odbc_Statement::report_error,
probe:1556
MESSAGE : ZRC=0x80260160=-2144992928=SQLQG_ERROR "Error constant
for gateway."
DATA #1 : String, 16 bytes
SQL statement:
DATA #2 : String, 43 bytes
SELECT max(moddate)  FROM dbo.sysstatistics

2016-01-11-15.46.32.117476-300 I6822584E584          LEVEL:
Error
PID     : 27974                TID : 140162633819904 PROC :
db2sysc 0
INSTANCE: db2inst1             NODE : 000            DB   :
FED_DEV
APPHDL  : 0-9483               APPID: *LOCAL.db2inst1.xxxxxx
AUTHID  : DB2INST1             HOSTNAME: test
EDUID   : 286                  EDUNAME: db2agent (FED_DEV) 0
FUNCTION: DB2 UDB, access plan manager, sqlra_passthru_describe,
probe:65
RETCODE : ZRC=0x8026006D=-2144993171=SQLQG_RC_CA_BUILT
          "Error constant for gateway and the sqlca filled and
trustable."

2016-01-11-15.46.33.137900-300 I6823169E603          LEVEL:
Error
PID     : 27974                TID : 140162633819904 PROC :
db2sysc 0
INSTANCE: db2inst1             NODE : 000            DB   :
FED_DEV
APPHDL  : 0-9483               APPID: *LOCAL.db2inst1.xxxxxx
AUTHID  : DB2INST1             HOSTNAME: test
EDUID   : 286                  EDUNAME: db2agent (FED_DEV) 0
FUNCTION: DB2 UDB, base sys utilities, sqleagnt_sigsegvh,
probe:1
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* ALL                                                          *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Db2 11.1 Mod 2 Fix Pack 2 or higher               *
****************************************************************
Local Fix:
N/A
Solution
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : IT18405 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
04.08.2017
24.10.2017
24.10.2017
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)