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PM74999: MEMORY LEAK ( STORAGE CREEP ) IN CONTROLLER WHEN SA ( SYSTEM AUTOMATION ) WORKSTATION USED WITH VARIABLE SUBSTITUTION

A fix is available

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APAR status

  • Closed as program error.

Error description

  • When SA/390 ( SA390 ) workstation is used in TWS z/OS
    and System Automation commands are used that have variable
    substitution, it is possible that some control blocks ( TUB and
    JDAT ) are not freed.  Subpool2 key8 shows very high usage
    above the line.  The following message may be seen in the
    controller EQQMLOG:
    EQQN032E UNABLE TO OPEN VSAM FILE EQQCP1DS, VSAM RC = 0008,
    REASON = 0136
    where REASON136 indicates an out of storage situation.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: TWS for z/OS System Automation integration   *
    *                 users.                                       *
    *                 Function: JCL                                *
    ****************************************************************
    * PROBLEM DESCRIPTION: A system abend 878-10 can occur in      *
    *                      the controller address space when       *
    *                      System AUtomation commands are used     *
    *                      very intensively on operations.         *
    ****************************************************************
    * RECOMMENDATION: APPLY THE PTF FIXING THIS APAR               *
    ****************************************************************
    A system abend 878-10 can occur in the controller address
    space when System Automation commands are used very
    intensively.
    

Problem conclusion

  • When System Automation commands are specified for System
    Automation workstation, the TUB and JDAT control blocks
    are allocated but not freed.
    Now the area are freed.
    302Y
    502Y
    512Y
    602Y
    EQQZVGSU
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM74999

  • Reported component name

    TIV WRKLD SCHD

  • Reported component ID

    5697WSZ01

  • Reported release

    512

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2012-10-15

  • Closed date

    2012-11-09

  • Last modified date

    2016-04-22

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

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

    UK94850 UK94851 UK94852 UK94853

Modules/Macros

  • EQQZVGSU
    

Fix information

  • Fixed component name

    TIV WRKLD SCHD

  • Fixed component ID

    5697WSZ01

Applicable component levels

  • R302 PSY UK94853

       UP13/08/21 P F308

  • R502 PSY UK94850

       UP13/08/21 P F308

  • R512 PSY UK94851

       UP13/08/21 P F308

  • R602 PSY UK94852

       UP13/08/21 P F308

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:
22 April 2016