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DB2 - Problem description

Problem IC85578 Status: Closed

ROLLBACK MIGHT TRAP WHEN CLEANING UP CGTT OBJECTS IN SECTIONS

product:
DB2 FOR LUW / DB2FORLUW / A10 - DB2
Problem description:
During rollback, a trap might occur when cleaning the CGTT 
objects in access sections. 
 
The following stack trace can be see in the FODC directories 
when encountering this trap: 
 
0x00002AAAAE0A8110 sqloCrashOnCriticalMemoryValidationFailure + 
0x0020 
 
(/home/hotelfvt01/pesivara/sqllib/lib64/libdb2e.so.1) 
0x00002AAAAEEB3E7B sqlofmblkEx + 0x051b 
 
(/home/hotelfvt01/pesivara/sqllib/lib64/libdb2e.so.1) 
0x00002AAAAE78B854 
_Z20sqlrlCGTTCloseCursorP8sqlrr_cbP9sqlr_apdrP25sqlra_sql_contex 
t_sibling + 0x0234 
 
(/home/hotelfvt01/pesivara/sqllib/lib64/libdb2e.so.1) 
0x00002AAAACC36B16 _Z16sqlricls_complexP8sqlrr_cbilll + 0x3516 
 
(/home/hotelfvt01/pesivara/sqllib/lib64/libdb2e.so.1) 
0x00002AAAACAADD7D 
_Z19sqlra_close_sectionP8sqlrr_cbP25sqlra_sql_context_siblingiii 
iiii + 0x00ed 
 
(/home/hotelfvt01/pesivara/sqllib/lib64/libdb2e.so.1) 
0x00002AAAACB75FA1 
_Z41sqlra_close_sections_on_finalcmt_rollbackP8sqlrr_cb + 0x01e1 
 
(/home/hotelfvt01/pesivara/sqllib/lib64/libdb2e.so.1) 
0x00002AAAACB74C31 _Z20sqlra_close_sectionsP8sqlrr_cbjjb + 
0x0de1 
 
(/home/hotelfvt01/pesivara/sqllib/lib64/libdb2e.so.1) 
0x00002AAAACAC73C3 
_Z29sqlrr_cleanup_tran_before_DPSP8sqlrr_cbiiiiiiiPiS1_ + 0x02b3 
 
(/home/hotelfvt01/pesivara/sqllib/lib64/libdb2e.so.1) 
0x00002AAAACACAAD3 _Z8sqlrrbckP8sqlrr_cbiiiiP15SQLXA_CALL_INFO + 
0x0223 
 
(/home/hotelfvt01/pesivara/sqllib/lib64/libdb2e.so.1) 
0x00002AAAACAB92E6 _Z14sqlrr_rollbackP14db2UCinterface + 0x00d6 
 
(/home/hotelfvt01/pesivara/sqllib/lib64/libdb2e.so.1) 
 
Here is the corresponding db2diag.log message: 
 
2012-06-26-04.57.23.597773-240 I22153887E495         LEVEL: 
Severe 
PID     : 22873                TID : 46914087151936  PROC : 
db2sysc 0 
INSTANCE: pesivara             NODE : 000            DB   : 
SAMPLE 
APPHDL  : 0-202                APPID: *N0.pesivara.120626081431 
AUTHID  : USER             HOSTNAME: hotelfvt01 
EDUID   : 288                  EDUNAME: db2agent (CET) 0 
FUNCTION: DB2 UDB, SQO Memory Management, 
sqloDiagnoseFreeBlockFailure, probe:30 
DATA #1 : String, 12 bytes 
Double free.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users running servers on DB2 Version 10.1 GA on          * 
* platforms Linux, Unix and Windows, and running rollback on a * 
* transaction accessing global temporary table.                * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Update to DB2 Version 10.1 Fix Pack 2.                       * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 10.1 Fix Pack 2 for Linux, UNIX, and Windows
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
This problem is first fixed in DB2 Version v10.1 Fix Pack 2.
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
27.07.2012
31.12.2012
31.12.2012
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
10.1.0.2 FixList
10.5.0.2 FixList