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IJ35073: KERNEL NUMA OVERFLOW HEAP SEGMENTS NOT PROPERLY AFFINITIZED APPLIES TO AIX 7200-05 21/12/10 PTF PECHANGE

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

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7200-05 Technology Level with
    * any of the following filesets at or between the given levels:
    * MIN          MAX          FILESET
    * 7.2.5.2      7.2.5.101    bos.mp64
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * When using a system shared NUMA heap for xmalloc services, som
    * segments allocated from the NUMA overflow heap may not belong
    * to the expected affinity domain.
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IJ35073.
    ****************************************************************
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7200-05 Technology Level with
    * any of the following filesets at or between the given levels:
    * MIN          MAX          FILESET
    * 7.2.5.2      7.2.5.101    bos.mp64
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * When using a system shared NUMA heap for xmalloc services, som
    * segments allocated from the NUMA overflow heap may not belong
    * to the expected affinity domain.
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IJ35073.
    ****************************************************************
    

Problem conclusion

  • Attach all segments of system NUMA overflow heaps to the
    affinity domain assigned to the heap.
    

Temporary fix

Comments

  • 7200-05 - use AIX APAR IJ35073
    

APAR Information

  • APAR number

    IJ35073

  • Reported component name

    AIX V7.2

  • Reported component ID

    5765CD200

  • Reported release

    720

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    NoHIPER

  • Submitted date

    2021-09-20

  • Closed date

    2021-09-20

  • Last modified date

    2021-12-10

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

    IJ34532

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

Fix information

  • Fixed component name

    AIX V7.2

  • Fixed component ID

    5765CD200

Applicable component levels

  • R720 PSY U888532

       UP21/12/02 I 1000

PTF to Fileset Mapping

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSVEF8"},"Platform":[{"code":"PF053","label":"Power Systems"}],"Version":"720","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]

Document Information

Modified date:
11 December 2021