|
Problem IC76840
|
Status: Closed |
DB2.NET OR CLI BASED APPLICATION CAN TRAP AND FAIL WITH SQLODIAGNOSEFREEBLOCKFAILURE ERROR MESSAGE. |
| product: |
DB2 CONNECT / DB2CONNCT / 950 - DB2 |
| Problem description: |
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 |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* CLI based applications connecting to DB2 for z/OS *
****************************************************************
* PROBLEM DESCRIPTION: *
* 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 *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version 9.5, Fixpak 9 *
**************************************************************** |
| Local Fix: |
|
| available fix packs: |
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 10 for Linux, UNIX, and Windows
4.2.1 Interim Fix 1 (November 2011) for Tivoli Storage Productivity Center
|
| Solution |
First fixed in DB2 Version 9.5, Fixpak 9 |
| Workaround |
not known / see Local fix |
| BUG-Tracking |
forerunner : APAR is sysrouted TO one or more of the following: IC76860
follow-up : |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 07.06.2011
22.03.2012
22.03.2012 |
| Problem solved at the following versions (IBM BugInfos) |
9.0.,
9.5.
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.5.0.9
|
 |
