PM77923: SYSTEM WAIT0A2 ( RSN104 ) CAUSED BY WILD BRANCH FROM MODULE KDPGSTIP AT OFFSET +X'732' POSSIBLE STORAGE OVERLAY

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• SYSTEM WAIT0A2 (RSN104) CAUSED BY WILD BRANCH FROM
  KDPGSTIP + '732'.  REGISTER 4 CONTAINS ALL ZEROES.
  POSSIBLE STORAGE OVERLAY.
  .
  IN THE CANS02 LOG:
  KDPDT007 DPDC COLLECTOR SUCCESSFULLY DETACHED FOR DB2 DWM3.
  KDPD2020 DB2 MASTER REGION FOR DB2ID DWM3 IS NOT FOUND OR DB2
           ERLY NOT VALID
  .
  THIS HAS A CORRESPONDING ENTRY IN CANS02 LOG:
  KO2I0157I D5API COLLECTOR DISCONNECTED FROM DB2 DWM3 AS
  REQUESTED BY AGENT CANSD5
  

Local fix

• To avoid this issue until PTF can be applied
  EDIT RKANPARU(KDPCNFG) and comment out collection of group
  buffer pool statistics per the following example
  DB2ID(*) \
      COUPFAC \
      OBJECTA \
      OBJECTB \
      OBJECTV    ====> remove continuation character
  *    GBPSTAT   ====> comment character in column 1
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: OMEGAMON XE for DB2 PE/DB2PM                 *
  *                 users of component:                          *
  *                 -   Tivoli Enterprise Monitoring Agent       *
  *                 -   The component that transfers DB2         *
  *                     monitoring data collected by the         *
  *                     OMEGAMON collector to the TEMA           *
  *                 -   Enhanced 3270 UI  (only V511)            *
  ****************************************************************
  * PROBLEM DESCRIPTION: DB2PLEX group buffer pool data          *
  *                      collector might result in storage       *
  *                      overlay when a monitored DB2 is         *
  *                      stopped.                                *
  *                                                              *
  ****************************************************************
  * RECOMMENDATION: Apply this PTF                               *
  *                                                              *
  ****************************************************************
  PROBLEM SUMMARY:
  DB2PLEX group buffer pool data collector did not use the
  correct GVT address resulting in a wild branch.
  
  PROBLEM CONCLUSION:
  Fix the problem by using the correct GVT address
  

Problem conclusion

• Fix the problem by using the correct GVT address
  
  KEYWORDS : STORAGE OVERLAY KDPGST
  

Temporary fix

• *********
  * HIPER *
  *********
  

Comments

APAR Information

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

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

  UK91443 UK91444 UK91445

Modules/Macros

•    KD5GSTFP KD5GSTFQ KD5GSTGP KD5GSTGQ KD5GSTHP
  KD5GSTHQ KD5GSTIP KD5GSTIQ KD5GSTJP KD5GSTJQ KD5GSTKP KD5GSTKQ
  

Fix information

• Fixed component name

  OM XE DB2PE/PM

• Fixed component ID

  5655OPE00

Applicable component levels

• R420 PSY UK91443

     UP13/02/08 P F302 Ž

• R510 PSY UK91444

     UP13/02/08 P F302 Ž

• R511 PSY UK91445

     UP13/02/08 P F302 Ž

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.