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IV11253: FDC WITH PROBE ID RM76002 FROM FUNCTION RSTCONSUMER IS GENERATED WHEN QUIESCING A WEBSPHERE MQ V7 QUEUE MANAGER

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APAR status

  • Closed as program error.

Error description

  • An RM576002 FDC could be generated when quiescing a WebSphere MQ
    V7 queue manager that has client connections in an MQGET wait
    with MQGMO_FAIL_IF_QUIESCING set. The following function stack
    would be seen:
    
    zstAsyncConsumeThread
    zstAsyncConsumer
    zstExceptionToCallbacks
    zstUserCallback
    

Local fix

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    Users of WebSphere MQ V7.0 may encounter this issue when ending
    a queue manager, if they have client connections using
    MQGMO_FAIL_IF_QUIESCING on an MQGET wait call.
    
    Platforms affected:
    All Distributed (iSeries, all Unix and Windows)
    ****************************************************************
    PROBLEM SUMMARY:
    There is a timing window which means that a channel conversation
    could be ended on one thread whilst another thread still had
    access to that conversation.
    

Problem conclusion

  • The timing window causing the problem was eliminated.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
                       v7.0
    Platform           Fix Pack 7.0.1.8
    --------           --------------------
    Windows            U200335
    AIX                U845856
    HP-UX (PA-RISC)    U847965
    HP-UX (Itanium)    U847970
    Solaris (SPARC)    U847966
    Solaris (x86-64)   U847972
    iSeries            7.0.1.8
    Linux (x86)        U847967
    Linux (x86-64)     U847971
    Linux (zSeries)    U847968
    Linux (Power)      U847969
    
    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

    IV11253

  • Reported component name

    WMQ AIX V7

  • Reported component ID

    5724H7221

  • Reported release

    701

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-11-25

  • Closed date

    2012-01-10

  • Last modified date

    2012-01-10

  • 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

    WMQ AIX V7

  • Fixed component ID

    5724H7221

Applicable component levels

  • R701 PSY

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Document Information

Modified date:
10 January 2012