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IV38915: LPARSTAT APP VALUE REPORTS 0, WHEN PROCESSORS IN POOL APPLIES TO AIX 7100-02

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

  • lparstat reports an app value of 0 for some time, even
    though there are free processors in the pool. This may
    happen after removing a processor from the pool or after
    LPAR migration to another frame. It may clear it's self
    after some time.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7100-02 Technology Level with
    * bos.adt.include at 7.1.2.0 through 7.1.2.15 level and
    * bos.mp64 at 7.1.2.0 through 7.1.2.15 level.
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * lparstat reports an app value of 0 for some time, even
    * though there are free processors in the pool. This may
    * happen after removing a processor from the pool or after
    * LPAR migration to another frame. It may clear itself
    * after some time.
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV38915.
    * Prior to fix availability, an interim fix is available from
    * ftp://public.dhe.ibm.com/aix/ifixes/iv38915/
    ****************************************************************
    

Problem conclusion

  • Fix is to query the hypervisor and get the information of
    shared processor pool idle time and do some calculations
    and pass  accurate information to higher level routines
    

Temporary fix

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

Comments

  • 6100-06 - use AIX APAR IV33883
    6100-07 - use AIX APAR IV40614
    6100-08 - use AIX APAR IV38743
    7100-00 - use AIX APAR IV41813
    7100-01 - use AIX APAR IV41421
    7100-02 - use AIX APAR IV38915
    

APAR Information

  • APAR number

    IV38915

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    YesHIPER

  • Submitted date

    2013-03-28

  • Closed date

    2013-03-28

  • Last modified date

    2013-11-26

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

    IV33883

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

    U860718

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U860718

       UP13/07/31 I 1000 ®

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Document Information

Modified date:
26 November 2013