PM68141: INTERMITTENT S0C4 IN ITP3CLPA (OFFSET +6C)

A fix is available

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APAR status

  • Closed as program error.

Error description

  • An intermittent S0C4 abend while running the log comparison
    program ITPCOMP. The problem appears to occur when there are
    significant differences in a changed screen.
    
    The problem appears to occur due to an issue with the Partition
    Control Block addressing.
    

Local fix

  • Remove the ALL MASK control command causes the problem not to
    occur.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of IBM Workload Simulator (WSim)       *
    *                 Version 1 Release 1                          *
    ****************************************************************
    * PROBLEM DESCRIPTION: An intermittent S0C4 abend while        *
    *                      running the log comparison program      *
    *                      ITPCOMP. The problem appears to occur   *
    *                      when there are significant differences  *
    *                      in a changed screen.                    *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    The program ITP3CLPA abends due to a null address for the
    pointer to the Partition Control Block. This causes the
    addressing of areas of memory that are not accessible to the
    program.
    +-------------------------------------------------------------+
    + Please check our Communications Server for OS/390 homepages +
    + for common networking tips and fixes.  The URL for these    +
    + homepages can be found in Informational APAR II11334.       +
    +-------------------------------------------------------------+
    

Problem conclusion

  • A test was added to make sure the pointer to the Partition
    Control block was valid and usable.
    
    * Cross Reference between External and Internal Names
    SPA_NAME (IDSS_NAM)
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM68141

  • Reported component name

    IBM WORKLOAD SI

  • Reported component ID

    5655I3900

  • Reported release

    110

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-07-03

  • Closed date

    2012-07-10

  • Last modified date

    2012-08-09

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

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

    UK80182

Modules/Macros

  •    ITP3CLPA
    

Fix information

  • Fixed component name

    IBM WORKLOAD SI

  • Fixed component ID

    5655I3900

Applicable component levels

  • R110 PSY UK80182

       UP12/07/12 P F207

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:

Workload Simulator for z/OS and OS/390

Software version:

110

Reference #:

PM68141

Modified date:

2012-08-09

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