OA33920: ABEND0C4 IN IAXFJ DURING PAGE-IN OF HIGH VIRTUAL COMMON PAGE ABEND4FC IAXFJ

A fix is available

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APAR status

  • Closed as program error.

Error description

  • IAXFJ does not special case high virtual common pages, but
    treats them as private area pages.  As a result, it attempts to
    update OUXBPIN when paging in a high virtual common page.
    Since the common RAB does not have an ASCB (or OUXB) associated
    with it, it gets a garbage address for the OUXB, resulting in
    an abend0C4.
    

Local fix

  • Apply the fixing PTF when available.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of HBB7750 only.                       *
    *                 Fix is already at HBB7760 and up.            *
    ****************************************************************
    * PROBLEM DESCRIPTION: ABEND0C4 in IAXFJ during PAGE-IN        *
    *                      of high virtual COMMON PAGE             *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    IAXFJ does not special case high virtual common pages,
    treats them as private area pages.  As a result, it
    update OUXBPIN when paging in a high virtual common page.
    Since the common RAB does not have an ASCB (or OUXB)
    with it, it gets a garbage address for the OUXB, resulting
    in an abend0C4.
    

Problem conclusion

  • The code is changed to check for high virtual common page, and
    not to update OUXBPIN when paging in a high virtual common
    page.
    

Temporary fix

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

Comments

APAR Information

  • APAR number

    OA33920

  • Reported component name

    RSM - REAL STOR

  • Reported component ID

    5752SC1CR

  • Reported release

    750

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-08-04

  • Closed date

    2010-10-14

  • Last modified date

    2011-01-18

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

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

    UA57363

Modules/Macros

  •    IAXFJ
    

Fix information

  • Fixed component name

    RSM - REAL STOR

  • Fixed component ID

    5752SC1CR

Applicable component levels

  • R750 PSY UA57363

       UP10/10/27 P F010

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/OS family

Software version:

750

Operating system(s):

MVS, z/OS

Reference #:

OA33920

Modified date:

2011-01-18

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