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OA54289: ABEND0C4 IN ICYPGAD

A fix is available

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APAR status

  • Closed as program error.

Error description

  • An ABEND0C4 can be experienced in module ICYPGAD when Media
    Manager attempts to access control blocks that have been freed
    after calling the user's DIE exit.
    
    Abends have been seen in:
    
    - ICYPGAD offset +F0C; R2 Storage (MMIB) had been freed
    - ICYPGAD (+27E IN ICYPGAD 220 UA92612)
    
    CATKEYS: MM2017 MMABEND ABEND0C4-11
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * all dfsms users                                              *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * Media Manager IO termination module,                         *
    * ICYPGAD, may touch storage in the MMIB                       *
    * after calling the user's DIE exit.                           *
    * This may cause a program check if the                        *
    * user has asynchronously closed or                            *
    * disconnected the data set.                                   *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    

Problem conclusion

  • code which is executed after calling a user die exit from
    ICYPGAD is modified to avoid touching any control blocks which
    would be freemained on close (or disconnect).
    

Temporary fix

Comments

APAR Information

  • APAR number

    OA54289

  • Reported component name

    DFSMS MEDIA MAN

  • Reported component ID

    5695DF126

  • Reported release

    210

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-11-03

  • Closed date

    2017-11-16

  • Last modified date

    2018-02-27

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

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

    UA94417 UA94418 UA94419

Modules/Macros

  • ICYPGAD
    

Fix information

  • Fixed component name

    DFSMS MEDIA MAN

  • Fixed component ID

    5695DF126

Applicable component levels

  • R210 PSY UA94418

       UP17/12/02 P F712 ¢

  • R220 PSY UA94419

       UP17/12/02 P F712 ¢

  • R230 PSY UA94417

       UP17/12/02 P F712 ¢

Fix is available

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Document Information

Modified date:
27 February 2018