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DY47786: SYSTEM LOOP MAY OCCUR WITH OFFLINE COMMAND WHEN USED IN PARALLEL WITH VTAPE I/O PROCESSING.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • System loop may occur with OFFLINE command
    when used in parallel with VTAPE I/O processing.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of VTAPE support.                  *
    ****************************************************************
    * PROBLEM DESCRIPTION: A tight SYSTEM LOOP may occur when the  *
    *                      OFFLINE command is used while VTAPE I/O *
    *                      processing is ongoing.                  *
    ****************************************************************
    A tight SYSTEM LOOP may occur when the OFFLINE command is used
    while VTAPE I/O processing is ongoing. In the problem situation
    the TAPESRVR partition doesnot get control to complete the
    VTAPE I/O request.
    

Problem conclusion

  • OFFLINE command processing has been changed to enable lower
    priority tasks to continue.
    

Temporary fix

Comments

APAR Information

  • APAR number

    DY47786

  • Reported component name

    VSE/AF SVR/BAM

  • Reported component ID

    5686VS606

  • Reported release

    62C

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-06-11

  • Closed date

    2018-07-06

  • Last modified date

    2018-07-10

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

    DY47779

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

    UD54326

Modules/Macros

  • $IJBAR31
    

Fix information

  • Fixed component name

    VSE/AF SVR/BAM

  • Fixed component ID

    5686VS606

Applicable component levels

  • R62C PSY UD54326

       UP18/07/10 I 1000

Fix is available

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Document information

More support for: z/VSE family

Software version: 62C

Operating system(s): VSE/ESA

Reference #: DY47786

Modified date: 10 July 2018