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IV53582: XMGC NOT TRAVERSING ALL KERNEL HEAPS. APPLIES TO AIX 6100-09 14/04/17 PTF PECHANGE

A fix is available

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APAR status

  • Closed as program error.

Error description

  • xmalloc garbage collector not traversing all kernel heaps
    causing pinned kernel heap growth.
    

Local fix

Problem summary

  • **********************************************************
    * USERS AFFECTED:
    * Systems running the 6100-09 Technology Level with
    * bos.mp64 below the 6.1.9.2 level.
    **********************************************************
    * PROBLEM DESCRIPTION:
    * xmalloc garbage collector is not traversing all kernel
    * heaps, causing pinned and virtual memory growth.  This
    * can lead to low memory or low paging space issues,
    * resulting in performance degradations and, in some
    * cases, a system hang or crash.
    **********************************************************
    * RECOMMENDATION:
    * Install APAR IV53582.
    * Prior to fix availability, an interim fix is available
    * from either
    * ftp://aix.software.ibm.com/aix/ifixes/iv53582/
    * https://aix.software.ibm.com/aix/ifixes/iv53582/
    **********************************************************
    

Problem conclusion

  • correct garbage collection
    

Temporary fix

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

Comments

APAR Information

  • APAR number

    IV53582

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    YesHIPER

  • Submitted date

    2013-12-26

  • Closed date

    2013-12-27

  • Last modified date

    2014-05-21

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

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

    IV53587 IV59240 IV60212

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U859304

       UP14/05/21 I 1000 ®

PTF to Fileset Mapping

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Document Information

Modified date:
21 May 2014