IV38744: AFTER APPLYING ITNM V3.9 FIX PACK 3, NCP_MIB CORES. REFERENCE APAR IV27953. FAULTLY MEMORY HANDLING RESULTS IN NCP_MIB CORES

IBM Tivoli Network Manager IP 3.9.0 Fix Pack 4, 3.9.0-TIV-ITNMIP-FP0004
IBM Tivoli Network Manager IP Edition 3.9.0 Fix Pack 5, 3.9.0-TIV-ITNMIP-FP0005

APAR status

• Closed as program error.

Error description

• This APAR is created as AE/MDV APAR with "MDVRGRS" class.
  APAR IV27953 APAR: | MDVPARTL 3.9.0-TIV-ITNMIP-FP0003 |
  
  After applying ITNM v3.9 Fix Pack 3, ncp_mib cores. Reference
  APAR IV27953.  Faultly memory handling is leading to
  undefined behaviour which results in
  occasional cores during mib processing on some platforms.
  
  This problem orginated in FP03.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All ITNM 3.9 FP0003 users                                    *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * ncp_mib core dumps due to memory corruption when processing  *
  * a MIB variable defined                                       *
  * as <mibVariable> = { <definedMibVariable> <value1> <value2>  *
  * ... } as opposed to simply { <definedMibVariable> <value1>   *
  * }.                                                           *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * | fix pack | 3.9.0-ITNMIP-FP0004                             *
  ****************************************************************
  

Problem conclusion

• The memory corruption occurred in defining those intermediary
  MIB variables has been fixed.
  

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

  TIV NETWK MGR I

• Fixed component ID

  5724S4500

Applicable component levels

• R390 PSN

     UP

• R390 PSY

     UP

• R401 PSN

     UP

• R401 PSY

     UP