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PI78169: TCPIP TELNET CVT OVERLAY BY POST AT EZBTZMST+5164 CAUSING SUBSEQUENT ABENDS

A fix is available

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APAR status

  • Closed as program error.

Error description

  • The POST at EZBTZMST+5164 at level UK96770 is corrupting the
    4-byte CVT field CVT0EF01 by overlaying it with X'40000000'.
    This corrupted field caused subsequent abend0c4s and Abend0c1s
    to occur.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All users of the IBM Communications Server                   *
    * for z/OS Version 2 Release 1 and Release 2 IP: Telnet        *
    * Server                                                       *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * Various abends after Telnet brought down                     *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply PTF                                                    *
    ****************************************************************
    The problem may be summarized as follows:
    1. Telnet is up.
    2. Telnet shutdown begins.
    3. Telnet issues POST which corrupts storage and then abends.
    4. Various other abends occur after the corruption.
    

Problem conclusion

  • Telnet code is updated to prevent the corruption that caused the
    abends.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI78169

  • Reported component name

    TCP/IP V3 MVS

  • Reported component ID

    5655HAL00

  • Reported release

    210

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-03-14

  • Closed date

    2017-03-20

  • Last modified date

    2017-06-02

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

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

    UI45708 UI45709 PI80717

Modules/Macros

  • EZBTNINI
    

Fix information

  • Fixed component name

    TCP/IP V3 MVS

  • Fixed component ID

    5655HAL00

Applicable component levels

  • R220 PSY UI45709

       UP17/05/06 P F705

  • R210 PSY UI45708

       UP17/05/06 P F705

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:
02 June 2017