|
Problem IC94634
|
Status: Closed |
THERE MIGHT BE A DOUBLE FREE OR LIST CORRUPTION IN THE SQLRLC_CSM_DEFUNCT() FUNCTION |
| product: |
DB2 FOR LUW / DB2FORLUW / A10 - 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 users *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 version 10.1.0.3. *
**************************************************************** |
| Local Fix: |
There is currently no local fix for this issue. |
| available fix packs: |
DB2 Version 10.1 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 6 for Linux, UNIX, and Windows
|
| Solution |
The problem is first fixed in DB2 version 10.1.0.3. |
| Workaround |
not known / see Local fix |
| BUG-Tracking |
forerunner : APAR is sysrouted TO one or more of the following: IC94890
follow-up : |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 05.08.2013
27.09.2013
27.09.2013 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.7.0.11
|
 |
| 10.1.0.3
|
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| 10.1.0.3
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