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DB2 - Problem description

Problem IC91117 Status: Closed

DB2 TRAP IN REBAL CODE DUE TO MEMORY CORRUPTION

product:
DB2 FOR LUW / DB2FORLUW / A10 - DB2
Problem description:
A plan is crashing in the top nested rebal. Following entry 
along with stack trace might be seen in the db2diag.log file: 
 
20nn-nn-nn-nn.nn.nn.409541+060 E38974xxx1805        LEVEL: 
Severe 
PID     : 10551456             TID : 97744          PROC : 
db2sysc 0 
INSTANCE: xxx                  NODE : 000           DB   : xxx 
APPHDL  : 0-37621              APPID: 
10.23.2.51.63180.130225134517 
AUTHID  : xxx                  HOSTNAME: xxx 
EDUID   : 97744                EDUNAME: db2agntp (xxx) 0 
FUNCTION: DB2 UDB, SQO Memory Management, 
sqloDiagnoseFreeBlockFailure, probe:999 
MESSAGE : Memory validation failure, diagnostic file dumped. 
DATA #1 : String, 28 bytes 
Corrupt pool free tree node. 
DATA #2 : File name, 34 bytes 
10551456.97744.mem_diagnostics.txt 
CALLSTCK: (Static functions may not be resolved correctly, as 
they are resolved to the nearest symbol) 
  [0] 0x0900000008BBF4E4 
diagnoseMemoryCorruptionAndCrash__13SQLO_MEM_POOLFUlCPCcCb + 
0x2A8 
  [1] 0x0900000008B8AC6C 
.MemTreePut.fdpr.clone.1582__13SQLO_MEM_POOLFP8SMemNodeUlP17Sqlo 
ChunkSubgroup + 
 0x68 
  [2] 0x090000000819BD28 sqlofmblkEx + 0x304 
  [3] 0x090000000B5C05C4 
sqlriREBALTerminate__FP8sqlrr_cbP13sqlriREBALObjb + 0x1CC 
  [4] 0x090000000B5BF1F0 sqlriREBAL__FP8sqlrr_cb + 0x2CC 
  [5] 0x09000000081E3F28 
sqlriSectInvoke__FP8sqlrr_cbP12sqlri_opparm + 0x30 
  [6] 0x090000000A4EF2CC sqlrr_smp_router__FP8sqlrr_cb + 0x738 
  [7] 0x0900000007BDCF60 
sqlrr_subagent_router__FP8sqeAgentP12SQLE_DB2RA_T + 0x88C 
  [8] 0x0900000007BDDC78 
@82@sqleSubRequestRouter__FP8sqeAgentPUiPUl + 0x3B4 
  [9] 0x0900000007A407A8 sqleProcessSubRequest__FP8sqeAgent + 
0x474 
  [10] 0x0900000007E3E2CC RunEDU__8sqeAgentFv + 0x678 
  [11] 0x0900000007E37B4C EDUDriver__9sqzEDUObjFv + 0x13C 
  [12] 0x0900000007E379D4 sqlzRunEDU__FPcUi + 0x10 
  [13] 0x0900000007E4A914 sqloEDUEntry + 0x264 
  [14] 0x0900000000A88D50 _pthread_body + 0xF0 
  [15] 0xFFFFFFFFFFFFFFFC ?unknown + 0xFFFFFFFF
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 10.1 and Fix Pack 3                   * 
****************************************************************
Local Fix:
Disable intra-partition parallelism
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
Problem was first fixed in DB2 Version 10.1 and Fix Pack 3
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
26.03.2013
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)
10.1.0.3 FixList
10.1.0.3 FixList