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DB2 - Problembeschreibung

Problem IC77525 Status: Geschlossen

CRASH IN SQLJRCLIENTREROUTE WHEN FREEING NULL POINTER DURING LOW MEMORY
CONDITION

Produkt:
DB2 FOR LUW / DB2FORLUW / 910 - DB2
Problembeschreibung:
During a low memory condition, an unsuccessful Client Reroute 
may cause a Signal 11 while trying to free a NULL pointer. The 
db2diag.log will contain a message like this: 
 
2011-06-26-06.38.45.220362-420 I191223582C1038    LEVEL: Severe 
PID     : 643214               TID  : 1           PROC : 
INSTANCE: db2inst1              NODE : 000         DB   : sample 
APPHDL  : 0-119                APPID: AABBCCDD.A17B.110531140101 
FUNCTION: DB2 UDB, SQO Memory Management, sqlofmblkEx, probe:22 
MESSAGE : Attempted to free NULL pointer. 
CALLSTCK: 
  [0] 0xD477F19C sqlofmblkEx + 0x8E0 
  [1] 0xD3ED7C80 
sqljrClientReroute__FP7UCintfcibPbP16sqljrChainedRqst + 0x3C4 
  [2] 0xD3ED702C 
sqljrPostErrorProcessing__FP13sqljrDrdaArCbP7UCintfci + 0x23C 
  [3] 0xD3E30F40 sqljrDrdaArRollback__FP7UCintfc + 0x85C 
  [4] 0xD44C2434 
sqljsRollbackBeforeConnectReset__FP11UCconHandle + 0xF0 
  [5] 0xD44C258C sqljsCleanup__FP13sqle_agent_cbP11UCconHandle + 
0xCC 
  [6] 0xD44C21A8 sqljsDrdaAsInnerDriver__FP17sqlcc_init_structb 
+ 0x110 
  [7] 0xD44C1EFC sqljsDrdaAsDriver__FP17sqlcc_init_struct + 0x88 
  [8] 0xD4599724 sqleRunAgent__FPcUl + 0x264 
  [9] 0xD43340FC sqloCreateEDU__FPFPcUl_vPcUlP13SQLO_EDU_INFOPl 
+ 0x1AC
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users when Client Reroute is enabled                     * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* During a low memory condition, an unsuccessful Client        * 
* Reroute                                                      * 
* may cause a Signal 11 while trying to free a NULL pointer.   * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 v9.1 FP11                                     * 
****************************************************************
Local-Fix:
verfügbare FixPacks:
DB2 Version 9.1 Fix Pack 11  for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 12  for Linux, UNIX and Windows

Lösung
Problem fixed in DB2 v9.1 FP11
Workaround
keiner bekannt / siehe Local-Fix
Bug-Verfolgung
Vorgänger  : APAR is sysrouted TO one or more of the following: IC77733 IC77735 
Nachfolger : 
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
14.07.2011
02.01.2012
02.01.2012
Problem behoben ab folgender Versionen (IBM BugInfos)
9.1.FP11
Problem behoben lt. FixList in der Version
9.1.0.11 FixList