PM92290: AB/S0C9 EZB6PMLD+6F3C

A fix is available

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APAR status

  • Closed as program error.

Error description

  • An abend0c9 (FIXED-Point Divide Exception) occurred in EZB6PMLD,
    in the mld_query_handler routine, where the difference between
    the current time and start time is calculated and then converted
    into milliseconds.  A division operation is attempted to do the
    the conversion. Since the divisor (003E8000) is not zero, the
    fixed-point-divide exception was recognized because, according
    to Principles of Operations, the magnitude of the dividend
    (001F40001DD9D300) and the divisor (003e8000) are such that the
    quotient cannot be expressed by a 32-bit signed binary integer.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All using IGMP or MLD                        *
    ****************************************************************
    * PROBLEM DESCRIPTION: abend0C9 in EZB6PMLD                    *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    A timestamp used by IGMP and MLD
    was not being cleared. This caused
    the time difference value to be too
    large which caused a divide exception.
    
    +-------------------------------------------------------------+
    + 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

  • The code will be changed to always clear the
    IGMP/MLD timestamp when either the timer
    is cancelled or the timer expires.
    
    
    * Cross Reference between External and Internal Names
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM92290

  • Reported component name

    TCP/IP V3 MVS

  • Reported component ID

    5655HAL00

  • Reported release

    1D0

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    YesSpecatt / CST

  • Submitted date

    2013-07-02

  • Closed date

    2013-08-12

  • Last modified date

    2013-11-12

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

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

    UK96781 PM95379 PI06005

Modules/Macros

  •    EZBIPIGM EZBIPSPI EZB6PMLD EZB6PSPI
    

Fix information

  • Fixed component name

    TCP/IP V3 MVS

  • Fixed component ID

    5655HAL00

Applicable component levels

  • R1D0 PSY UK96781

       UP13/09/11 P F309

Fix is available

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Document information


More support for:

z/OS family

Software version:

1D0

Operating system(s):

z/OS

Reference #:

PM92290

Modified date:

2013-11-12

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