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DB2 - Problem description

Problem IC63655 Status: Closed

USING GLOBAL VARIABLES, CURSOR VARIABLES OR MODULES CAN CAUSE AN INFINITE
LOOP IN THE FUNCTION SQLRAERTFINDMEMBER.

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
The application would hang with sqlraERTFindMember on the top of 
the stack. For example: 
 
0x0900000023675994 
sqlraERTFindMember__FP8sqlrr_cb16sqlraERTCategoryPvPP14sqlraERTM 
ember 
+ 
 0xD0 
0x0900000023C08D68 sqlraERTInitModule__FP8sqlrr_cbPUcsT2T3 + 
0x64 
0x09000000236D715C 
sqlraERTInitModule__FP8sqlrr_cbPUcsT2T3@glue839 + 0x7C 
0x090000002100E5C8 sqlriInitModule__FP8sqlrr_cbP9sqlri_shd + 
0x4C 
0x09000000257FBFC8 
sqlriSectInitializeComplex__FP8sqlrr_cbP9sqlri_shdb + 0x334 
0x09000000257ACB9C sqlrr_process_execute_request__FP8sqlrr_cbi + 
0xD4 
0x09000000257ADA00 sqlrr_execute__FP14db2UCinterfaceP9UCstpInfo 
+ 0x1FC 
0x09000000227E3A98 executeSection__10pvmPackageFP5sqlcaUi + 0x78 
0x09000000227C99F4 executeQuery__3PVMFUi + 0xE0 
0x09000000227C8B04 run__3PVMFv + 0xAC 
0x09000000227C6754 pvm_entry + 0x464 <StackTrace> 
 
db2pd -alldbs -dmpert would enter an infinite loop and show a 
circle in the ERT linked list.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All platforms starting from v97 GA.                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* The application would hang with sqlraERTFindMember on the    * 
* top of the stack. For example:                               * 
*                                                              * 
* 0x0900000023675994                                           * 
* sqlraERTFindMember__FP8sqlrr_cb16sqlraERTCategoryPvPP14sqlraER 
* ember                                                        * 
* +                                                            * 
* 0xD0                                                         * 
* 0x0900000023C08D68 sqlraERTInitModule__FP8sqlrr_cbPUcsT2T3 + * 
*                                                              * 
* 0x64                                                         * 
* 0x09000000236D715C                                           * 
* sqlraERTInitModule__FP8sqlrr_cbPUcsT2T3@glue839 + 0x7C       * 
*                                                              * 
* 0x090000002100E5C8 sqlriInitModule__FP8sqlrr_cbP9sqlri_shd + * 
*                                                              * 
* 0x4C                                                         * 
* 0x09000000257FBFC8                                           * 
* sqlriSectInitializeComplex__FP8sqlrr_cbP9sqlri_shdb + 0x334  * 
*                                                              * 
* 0x09000000257ACB9C                                           * 
* sqlrr_process_execute_request__FP8sqlrr_cbi                  * 
* +0xD4                                                        * 
* 0x09000000257ADA00                                           * 
* sqlrr_execute__FP14db2UCinterfaceP9UCstpInfo                 * 
* + 0x1FC                                                      * 
* 0x09000000227E3A98 executeSection__10pvmPackageFP5sqlcaUi +  * 
* 0x780x09000000227C99F4 executeQuery__3PVMFUi + 0xE0          * 
*    0x09000000227C8B04 run__3PVMFv + 0xAC                     * 
*   0x09000000227C6754 pvm_entry + 0x464 <StackTrace>          * 
*                                                              * 
* db2pd -alldbs -dmpert would enter an infinite loop and show  * 
* a  circle in the ERT linked list.                            * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 version 9.7 fixpack 1                         * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 9.7 Fix Pack 1 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows

Solution
There's no workaround. Customer should upgrade to DB2 version 
9.7 fixpack 1
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
08.10.2009
15.01.2010
15.01.2010
Problem solved at the following versions (IBM BugInfos)
9.7.FP1
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.1 FixList