DB2 CONNECT / DB2CONNCT / 970 - DB2

A DB2 .NET or CLI application that calls stored procedures on 
DB2 for z/OS can fail with a memory corruption error. 
 
A typical error that might occur in the db2diag.log is as 
follows: 
 
2011-06-06-12.30.00.253000-300 I642216H311        LEVEL: Severe 
PID     : 4332                 TID  : 2263        PROC : 
w3wp.exe 
INSTANCE: DB2                  NODE : 000 
EDUID   : 2263 
FUNCTION: DB2 UDB, SQO Memory Management, 
sqloDiagnoseFreeBlockFailure, probe:10 
MESSAGE : Possible memory corruption detected. 
DATA #1 : ZRC, PD_TYPE_ZRC, 4 bytes 
0x820F0002 
DATA #2 : Corrupt block address, PD_TYPE_CORRUPT_BLK_PTR, 4 
bytes 
0x1242e960 
DATA #3 : Block header, PD_TYPE_BLK_HEADER, 24 bytes 
0x1242E948 : 0100 2CDB 5800 0000 A1A1 9212 3201 3A00 
..,.X.......2.:. 
0x1242E958 : 2024 B1FA 0800 0000                         $...... 
DATA #4 : Data header, PD_TYPE_BLK_DATA_HEAD, 48 bytes 
0x1242E960 : 0100 0000 0000 0000 0000 0000 D0E9 4212 
..............B. 
0x1242E970 : 60F7 4112 0000 0000 20EF 4212 0000 0000    `.A..... 
.B..... 
0x1242E980 : 0000 0000 00FE 4612 10FE 4612 0000 0000 
......F...F..... 
 
2011-06-06-12.30.16.450000-300 B391025H903        LEVEL: 
Critical 
PID     : 4332                 TID  : 2263        PROC : 
w3wp.exe 
INSTANCE: DB2                  NODE : 000 
EDUID   : 2263 
FUNCTION: DB2 UDB, SQO Memory Management, 
sqloDiagnoseFreeBlockFailure, probe:10 
MESSAGE : ADM14001C  An unexpected and critical error has 
occurred: "Panic". 
          The instance may have been shutdown as a result. 
"Automatic" FODC 
          (First Occurrence Data Capture) has been invoked and 
diagnostic 
          information has been recorded in directory 
          "C:\DOCUME~1\ALLUSE~1\APPLIC~1\IBM\DB2\DB2COPY1\DB2\". 
Please look in 
          this directory for detailed evidence about what 
happened and contact 
          IBM support if necessary to diagnose the problem. 
 
2011-06-06-12.30.16.659000-300 B322573H215        LEVEL: Severe 
PID     : 4332                 TID  : 2263        PROC : 
w3wp.exe 
INSTANCE: DB2                  NODE : 000 
EDUID   : 2263 
FUNCTION: DB2 UDB, SQO Memory Management, 
sqloDiagnoseFreeBlockFailure, probe:999 
MESSAGE : Memory validation failure, diagnostic file dumped. 
DATA #1 : String, 21 bytes 
Corrupt block header. 
DATA #2 : File name, 29 bytes 
4332.2263.mem_diagnostics.txt

**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* see Error Description.                                       * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 9.7, Fixpack 6                        * 
****************************************************************

DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
 DB2 Version 9.7 Fix Pack 7 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 9a for Linux, UNIX, and Windows
 DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows
 

This problem was first scheduled to be fixed in DB2 v9.7, 
Fixpack 5, however the fix included was not properly done. 
Therefore the real fix will be included in DB2 v9.7, Fixpack 6.

not known / see Local fix

Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :

08.06.2011
05.06.2012
05.06.2012

9.7.,
9.7.FP5,
9.7.FP6