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Problem IC94890
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Status: Closed |
THERE MIGHT BE A DOUBLE FREE OR LIST CORRUPTION IN THE SQLRLC_CSM_DEFUNCT() FUNCTION |
| product: |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 |
| Problem description: |
The db2diag.log messages suggest that a db2agent process was
trying to free a piece of memory that was freed during the
execution of a stored procedure, which generated a Signal #11.
The following are some example db2diag.log entries that might be
produced if this problem occurs:
2013-07-03-03.45.59.085998-240 I12279328E502 LEVEL: Severe
PID : 18886 TID : 46931736783168 PROC : db2sysc 0
INSTANCE: db2inst1 NODE : 000 DB : SAMPLE
APPHDL : 0-6894 APPID: 12.213.148.54.2064.130703071242
AUTHID : db2inst1 HOSTNAME: db2inst1_host
EDUID : 1063 EDUNAME: db2agent (SAMPLE) 0
FUNCTION: DB2 UDB, SQO Memory Management,
sqloDiagnoseFreeBlockFailure, probe:30
DATA #1 : String, 12 bytes
Double free.
2013-07-03-03.45.59.277703-240 I12279831E603 LEVEL: Error
PID : 18886 TID : 46931736783168 PROC : db2sysc 0
INSTANCE: db2inst1 NODE : 000 DB : SAMPLE
APPHDL : 0-6894 APPID: 12.213.148.54.2065.130703071242
AUTHID : db2inst1 HOSTNAME: db2inst1_host
EDUID : 1063 EDUNAME: db2agent (SAMPLE) 0
FUNCTION: DB2 UDB, base sys utilities, sqleagnt_sigsegvh,
probe:1
MESSAGE : Error in agent servicing application with coor_node:
DATA #1 : Hexdump, 2 bytes
0x00002AAF2540F952 : 0000
The following is an example of a trap file stack that might be
produced if this problem occurs:
<StackTrace>
-----FUNC-ADDR----
ossDumpStackTraceV98
OSSTrapFile::dumpEx
sqlo_trce
sqloEDUCodeTrapHandler
__pthread_mutex_cond_lock
sqloCrashOnCriticalMemoryValidationFailure
sqlofmblkEx
sqlrlc_csm_defunct
sqlrlc_csm_processing
sqlrlc_check_available_memory
sqlrlc_auth_find_insert
sqlrlc_rtn_get_auths
sqlrlc_rtn_request_auths
sqlrlgra
sqlrlgad
sqlrlFindProcedure
sqlnq_resolve_procedure
sqlnq_procedure_tresolve
sqlnq_call_stmt
sqlnp_smactn
sqlnp_parser
sqlnp_main
sqlnn_cmpl
sqlnn_cmpl
sqlra_compile_var
sqlra_find_var
sqlra_get_var
sqlrr_prepare
sqljs_ddm_prpsqlstt
sqljsParseRdbAccessed
sqljsParse
sqljsParseUowid
sqljsWriteUowid
sqljsParseCntqry
sqljsDrdaAsDriver
sqeAgent::RunEDU
sqzEDUObj::EDUDriver
sqlzRunEDU
sqloEDUEntry
pthread_create@@GLIBC_2.2.5
clone |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Problem Description above *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version 10.5 Fix Pack 3 *
**************************************************************** |
| Local Fix: |
There is currently no local fix for this issue. |
| available fix packs: |
DB2 Version 10.5 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 10.5 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Cancun Release 10.5.0.4 (also known as Fix Pack 4) for Linux, UNIX, and Windows
DB2 Version 10.5 Fix Pack 9 for Linux, UNIX, and Windows
|
| Solution |
First fixed in DB2 Version 10.5 Fix Pack 3 |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 14.08.2013
28.07.2014
07.04.2015 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 10.5.0.3
|
 |
| 10.5.0.3
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| 10.5.0.4
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