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IV64440: SNMPMIBD MEMORY LEAK CAUSES SYSTEM HANG APPLIES TO AIX 6100-08

A fix is available

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • System hangs because it runs out of memory. The dump
    shows
    snmpmibd process accounts for 77% of physical memory of
    16GB.
    
     # lssrc -s snmpmibd
          Subsystem         Group            PID
    Status
           snmpmibd         tcpip            4391122
    active
          #
    
         7) Confirm the memory usage of snmpmibd.
    
          # svmon -P 4391122 | grep snmpmibd
           4391122 snmpmibd   15987     9728   0    15779
     Y     N     N
          #
    
          In the example, usage is 15779 pages (= 61MB).
    
    # svmon -P 4391122 | grep snmpmibd
           4391122 snmpmibd   16376     9728   0    16168
     Y     N     N
          #
    
          In the example, usage is 16168 pages (= 63MB).
          It means there is a 2MB leak.
    

Local fix

Problem summary

  • Increased memory utilization can be seen for snmpmibd
    using "svmon -P <PID of snmpmibd>"
    

Problem conclusion

  • Free memory allocated apprpriately to avoid leaks.
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV64440
    6100-09 - use AIX APAR IV62464
    6100-09 - use AIX APAR IV62464
    7100-02 - use AIX APAR IV61667
    7100-03 - use AIX APAR IV62461
    7100-04 - use AIX APAR IV62481
    

APAR Information

  • APAR number

    IV64440

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-09-02

  • Closed date

    2014-09-02

  • Last modified date

    2016-05-11

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

    IV61667

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

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U867352

       UP15/01/18 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Standard Edition

Software version: 610

Operating system(s): AIX

Reference #: IV64440

Modified date: 11 May 2016