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IV66891: INADVERTANT DISABLING OF P_BLOCK_SUPPORT ON P8 APPLIES TO AIX 7100-03

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

  • Disabling page size support (vmo tunable vmm_mpsize_support=0)
    either explicitly or implicitly as part of AME or AMS will
    unintentionally also disable the POWER8 H_BLOCK_REMOVE feature
    controlled by the p_block_support vmo tunable.
    

Local fix

Problem summary

  • Disabling page size support (vmo tunable vmm_mpsize_support=0)
    either explicitly or implicitly as part of AME or AMS will
    unintentionally also disable the POWER8 H_BLOCK_REMOVE feature
    controlled by the p_block_support vmo tunable.
    

Problem conclusion

  • Fix the boot time initialize code for p_block_support.
    

Temporary fix

Comments

  • 6100-09 - use AIX APAR IV66869
    7100-03 - use AIX APAR IV66891
    

APAR Information

  • APAR number

    IV66891

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-11-12

  • Closed date

    2014-11-12

  • Last modified date

    2015-05-22

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

    IV66845

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

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U865837

       UP15/05/19 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV66891

Modified date: 22 May 2015