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VM66325: ABENDHTT001 DURING VMRELOCATE WITH ACTIVE I/O

A fix is available

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APAR status

  • Closed as program error.

Error description

  • ABENDHTT001 occurs on source system during a VMRELOCATE
    when active I/O is present for relocating guest.
    

Local fix

  • Quiesce guest as much as possible prior to a relocation.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All z/VM users of the VMRELOCATE command     *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    ****************************************************************
    * RECOMMENDATION: APPLY PTF                                    *
    ****************************************************************
    ABENDHTT001 occurs on the source system during the processing
    of the CP VMRELOCATE command for a guest.  When an I/O
    interrupt is pending for a guest and IORBK information needs
    to be transferred to the destination system for that
    interrupt, invalid pointers in that IORBK can cause the
    system to abend with an ABENDHTT001.
    

Problem conclusion

  • ABENDHTT001 , D/T8561 ; The second level interrupt handler,
    HCPVIRPT, was modified to clear out the forward and backward
    pointers in the input IORBK (IORFPNT, IORBPNT).  This will
    prevent live guest relocation from using invalid values
    in these fields which could cause an ABENDHTT001 or extraneous
    interrupt data from being transferred to the destination
    system.
    

Temporary fix

  • *********
    * HIPER *
    *********
    FOR RELEASE VM/ESA CP/ESA R640 :
    PREREQ: NONE
    CO-REQ: NONE
    IF-REQ: NONE
    FOR RELEASE VM/ESACP/ESAR710 :
    PREREQ: NONE
    CO-REQ: NONE
    IF-REQ: NONE
    

Comments

APAR Information

  • APAR number

    VM66325

  • Reported component name

    VM CP

  • Reported component ID

    568411202

  • Reported release

    640

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2019-09-18

  • Closed date

    2019-10-07

  • Last modified date

    2020-01-23

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

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

    UM35545 UM35546

Modules/Macros

  • HCPIORBK HCPVIR
    

Fix information

  • Fixed component name

    VM CP

  • Fixed component ID

    568411202

Applicable component levels

  • R640 PSY UM35545

       UP19/10/07 I 1000 ¢

  • R710 PSY UM35546

       UP19/10/07 P 2001 ¢

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:
23 January 2020