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IJ09534: SYSTEM HANG WHILE EXECUTING WORKLOAD WHEN CPUS ARE FOLDED. 19/01/28 PTF PECHANGE

A fix is available

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APAR status

  • Closed as program error.

Error description

  • A CPU does not respond to an MPC because it is handling
    multiple interrupts from other processes.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7200-02 Technology Level with
    * any of the following filesets at or between the given levels:
    * MIN          MAX          FILESET
    * 7.2.2.0      7.2.2.18     bos.mp64
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * A CPU does not respond to an MPC because it is handling
    * multiple interrupts from other processes.
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IJ09534.
    ****************************************************************
    

Problem conclusion

  • Fix race condition in order to improve load balancing on the
    system.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IJ09534

  • Reported component name

    AIX V7.2

  • Reported component ID

    5765CD200

  • Reported release

    720

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    NoHIPER

  • Submitted date

    2018-09-19

  • Closed date

    2018-09-19

  • Last modified date

    2019-01-28

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

    IJ07487

  • 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 U881453

       UP19/01/23 I 1000

PTF to Fileset Mapping

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSVEF8","label":"AIX 7.2 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"720","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11S","label":"AIX 7.2 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"720","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
28 January 2019