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PH66195: PROPERLY UNLOAD DYNAMICALLY LOADED MODULES WHEN NOT IN USE

A fix is available

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APAR status

  • Closed as program error.

Error description

  • In some situations, the reloading of dynamically loaded modules
    may result in an ABEND 0C4. The ABEND is caused by a bad DCB
    resulting from the previously dynamically loaded modules.
    Properly unloading the modules results in a correct DCB the next
    attempt at dynamically loading the modules.
    The problem may be indicated by an ABEND S0112 - "AB/S0112
    System abend code: 0112"
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of IBM Security Guardium S-TAP for     *
    *                 Db2 on z/OS.                                 *
    *                                                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: In some situations, the reloading of    *
    *                      dynamically loaded modules may result   *
    *                      in an ABEND 0C4. The ABEND is caused by *
    *                      a bad DCB resulting from the            *
    *                      previously dynamically loaded modules.  *
    *                      Properly unloading the modules results  *
    *                      in a correct DCB the next attempt at    *
    *                      dynamically loading the modules.        *
    *                      The problem may be indicated by an      *
    *                      ABEND S0112 - "AB/S0112 System abend    *
    *                      code: 0112"                             *
    *                                                              *
    ****************************************************************
    * RECOMMENDATION: Apply the PTF                                *
    ****************************************************************
    Properly unload dynamically loaded modules when not in use.
    

Problem conclusion

  • Unloading of dynamically loaded modules resolves underlying
    ABEND 112 reported by Changeman intercepts setup on LOAD SVC.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH66195

  • Reported component name

    SEC GUAR STAP D

  • Reported component ID

    5655STP00

  • Reported release

    B30

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2025-04-18

  • Closed date

    2025-05-05

  • Last modified date

    2025-05-08

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

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

    UO03044

Modules/Macros

  • ADHPDB2C
    

Fix information

  • Fixed component name

    SEC GUAR STAP D

  • Fixed component ID

    5655STP00

Applicable component levels

  • RB30 PSY UO03044

       UP25/05/08 I 1000

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

Modified date:
08 May 2025