IT20046: GLOBAL BENEFIT IS INVALID

DB2 Version 11.1 Mod 2 Fix Pack 2 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod2 Fix Pack2 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod2 Fix Pack2 iFix002 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 3 Fix Pack 3 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix002 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod4 Fix Pack4 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 4 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 6 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 5 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 7 for Linux, UNIX, and Windows

APAR status

• Closed as program error.

Error description

• Customer running STMM on linux390 see GLOBAL BENEFIT IS INVALID
  errors every three minutes in the diaglog:
  
  2017-02-15-15.59.38.875734-120 I146807476A697       LEVEL: Error
  PID     : 8695                 TID : 4396003879184  PROC :
  db2sysc 0
  INSTANCE: db2inst1              NODE : 000           DB   :
  MYDB1
  APPHDL  : 0-10                 APPID: *LOCAL.DB2.161123103626
  AUTHID  : DB2INST1             HOSTNAME: MYHOST1
  EDUID   : 51                   EDUNAME: db2stmm (MYDB1) 0
  FUNCTION: DB2 UDB, Self tuning memory manager,
  stmmGetGlobalBenefit, probe:2363
  MESSAGE :
  ZRC=0x82AE0093=-2102525805=STMM_DBMEM_INVALID_GLOBAL_BENEFIT
            "Global benefit is invalid"
  DATA #1 : String, 102 bytes
  STMM global benefit structure size mismatch.  Structure ends at
  0x3ff863fb3a0, expected 0x3ff863fb390.
  
  2017-02-15-15.59.38.875873-120 I146808174A646       LEVEL:
  Warning
  PID     : 8695                 TID : 4396003879184  PROC :
  db2sysc 0
  INSTANCE: db2inst1              NODE : 000           DB   :
  MYDB1
  APPHDL  : 0-10                 APPID: *LOCAL.DB2.161123103626
  AUTHID  : DB2INST1             HOSTNAME: MYHOST1
  EDUID   : 51                   EDUNAME: db2stmm (MYDB1) 0
  FUNCTION: DB2 UDB, Self tuning memory manager,
  stmmUpdateGlobalBenefit, probe:3289
  MESSAGE :
  ZRC=0x82AE0093=-2102525805=STMM_DBMEM_INVALID_GLOBAL_BENEFIT
            "Global benefit is invalid"
  DATA #1 : String, 47 bytes
  STMM global benefit is corrupt, reinitializing.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * ALL                                                          *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to DB2 11.1 Mod 2 Fix Pack 2 or higher               *
  ****************************************************************
  

Problem conclusion

• First fixed in DB2 11.1 Mod 2 Fix Pack 2
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  DB2 FOR LUW

• Fixed component ID

  DB2FORLUW

Applicable component levels

• RB10 PSN

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