IBM Support

IT44775: THERE IS A TIMING WINDOW FOR SENDING IPC TWICE WITH THE SAME APPLTAG EVEN FOR SMS WITH THE SAME PRIMARY CPU AS THE EC.

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APAR status

  • Closed as program error.

Error description

  • After applying fixpack 8.1.0.15, there is a timing window for
    sending IPC twice with the same ApplTag even for SMs with the
    same Primary CPU as the EC.
    

Local fix

Problem summary

  • Incomplete fix for IT43617.
    In case of a queued signal for a process the cpu down event will
    still be executed and send a signal for the same request.
    

Problem conclusion

  • The product has been changed to accommodate such situations.
    ---------------------------------------------------------------
    The fix is targeted for delivery in maintenance level 8.1.0.20
    of IBM MQ for HPE NonStop 8.1.
    The latest available maintenance can be obtained from
    'WebSphere MQ Recommended Fixes'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037
    If the maintenance level is not yet available information on
    its planned availability can be found in 'WebSphere MQ
    Planned Maintenance Release Dates'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
    ---------------------------------------------------------------
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT44775

  • Reported component name

    MQ FOR HPE NS O

  • Reported component ID

    5724A3904

  • Reported release

    81X

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2023-10-18

  • Closed date

    2024-03-18

  • Last modified date

    2024-03-18

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

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

Fix information

  • Fixed component name

    MQ FOR HPE NS O

  • Fixed component ID

    5724A3904

Applicable component levels

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"81X","Line of Business":{"code":"LOB67","label":"IT Automation \u0026 App Modernization"}}]

Document Information

Modified date:
19 March 2024