IJ09073: AIX AGENT CRASHES IF NUMBER OF CPUS IS GREATER THAN 512

IBM Tivoli Monitoring 6.3.0 Fix Pack 7 Service Pack 1 (6.3.0.7-TIV-ITM-SP0001)
IBM Tivoli Monitoring: Unix(R) OS Agent 6.3.0.7-TIV-ITM_UNIX-IF0003
IBM Tivoli Monitoring: Unix(R) OS Agent 6.3.0.6-TIV-ITM_UNIX-IF0004
IBM Tivoli Monitoring: Unix(R) OS Agent 6.3.0.7-TIV-ITM_UNIX-IF0004

APAR status

• Closed as program error.

Error description

• Environment: Can occur across versions
  Problem Description: On AIX, the Monitoring Agent for UNIX OS
  unexpectdly terminates if the number of CPUs is greate than 512.
  Related Files and Output: In the agent RAS1 log file
  (<hostname>_ux_kuxagent_<nnnnnnn>-<nn>.log), with tracing set
  to (UNIT:kux ALL) (UNIT:vm ALL)
  The following messages will show a value greater than 512:
  (5B87AB5B.1AA7F-A:vm_stat_externals.cpp,1948,"getProcessors")
  Num CPUs On: 544
  (5B87AB5B.1AA80-A:vm_stat_externals.cpp,1949,"getProcessors")
  Total CPUs: 544
  The end of the log with this tracing enabled, will show the
  last "Entry" to be 512:
  (5B87AB5B.1CA8B-A:vm_stat_externals.cpp,2008,"getProcessors")
  Entry 512
  (5B87AB5B.1CA8C-A:vm_stat_externals.cpp,2010,"getProcessors")
  Entry 512
  (5B87AB5B.1CA8D-A:vm_stat_externals.cpp,2011,"getProcessors")
  Name: cpu512
  (5B87AB5B.1CA8E-A:vm_stat_externals.cpp,2016,"getProcessors")
  puser: 2071143860592
  (5B87AB5B.1CA8F-A:vm_stat_externals.cpp,2017,"getProcessors")
  psys : 107788174092
  (5B87AB5B.1CA90-A:vm_stat_externals.cpp,2018,"getProcessors")
  pidle: 2729200059400
  (5B87AB5B.1CA91-A:vm_stat_externals.cpp,2019,"getProcessors")
  pwait: 47057304
  (5B87AB5B.1CA92-A:vm_stat_externals.cpp,2020,"getProcessors")
  user: 704112
  (5B87AB5B.1CA93-A:vm_stat_externals.cpp,2021,"getProcessors")
  sys : 16596706
  (5B87AB5B.1CA94-A:vm_stat_externals.cpp,2022,"getProcessors")
  idle: 557146022
  (5B87AB5B.1CA95-A:vm_stat_externals.cpp,2023,"getProcessors")
  wait: 777
  (5B87AB5B.1CA96-A:vm_stat_externals.cpp,2024,"getProcessors")
  idle_donated_purr: 0
  (5B87AB5B.1CA97-A:vm_stat_externals.cpp,2025,"getProcessors")
  busy_donated_purr : 0
  (5B87AB5B.1CA98-A:vm_stat_externals.cpp,2026,"getProcessors")
  idle_stolen_purr: 0
  (5B87AB5B.1CA99-A:vm_stat_externals.cpp,2027,"getProcessors")
  busy_stolen_purr: 0
  The errpt.info in the pdcollect will show an abbreviated stack
  trace:
  malloc_y 91C
  malloc_y 19C
  malloc_co 4C
  KBBSS_Cre 40
  BSS1_NewF 6C
  RAS1_Begi 33C
  RAS1_Form 38
  RAS1_Prin 50
  getProces 14E8
  sample__8 2C8
  updateCpu 424
  updateCpu 1E0
  _pthread_ EC
  

Local fix

Problem summary

• On AIX, the Monitoring Agent for UNIX OS
  unexpectdly terminates if the number of CPUs is greate than 512.
  

Problem conclusion

• The code was updated increase the number of CPUs that it can
  handle.
  
  The fix is contained in the following Interim Fix:
  
  
    | interim fix |  6.3.0.7-TIV-ITM_UNIX-IF0003
    | service pack | 6.3.0.7-TIV-ITM-SP0001
  

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

  ITM AGENT UNIX

• Fixed component ID

  5724C040U

Applicable component levels