DY47452: LOST BUFFERS ON DFR PROCESSING MEMORY LEAK IN IKQCAD

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

  • 1. Missing records when updating KSDS dataset with DFR+LSR
    options.
    2. Gradually eaten-up 31bit Getvioptions.running CICS
    transactions actively processing VSAM KSDS datasets.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users                                    *
    ****************************************************************
    * PROBLEM DESCRIPTION: 1. Missing records when updating        *
    *                      KSDS dataset with DFR+LSR options.      *
    *                      2. Gradually eaten-up 31bit Getvis      *
    *                      while running CICS transactions         *
    *                      actively processing VSAM KSDS files.    *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    1. When aceesing KSDS dataset with LSR+DFR options,
    some buffers might be lost because of the error in IKQBFB.
    2. Memory leak in the IJBVSM subpool on CA split
    when >16 LSR strings active.
    

Problem conclusion

  • 1. Problem cause discovered in IKQBFB code.
    Wrong BCB field was checked for comparison.
    2. Memory leak was caused by IKQCAD code.
    Invalid Freevis length parameter was specified.
    

Temporary fix

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

Comments

APAR Information

  • APAR number

    DY47452

  • Reported component name

    VSE/VSAM

  • Reported component ID

    5686CF905

  • Reported release

    51C

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-01-25

  • Closed date

    2013-01-30

  • Last modified date

    2013-04-23

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

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

Modules/Macros

  •    IKQBFB   IKQCAD
    

Fix information

  • Fixed component name

    VSE/VSAM

  • Fixed component ID

    5686CF905

Applicable component levels

  • R51C PSN UD53927

       UP13/02/07 P E512

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.



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Document information


More support for:

z/VSE family

Software version:

51C

Operating system(s):

VSE/ESA

Reference #:

DY47452

Modified date:

2013-04-23

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