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IY98973: MEMORY DEALLOCATION FAILURE DUE TO THREAD MISMATCH WHEN PIPELINING IS USED

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APAR status

  • Closed as program error.

Error description

  • Typically FDC with ProbeID "RM400001" from "cccFreeMem" will be
    generated when using channels with pipelining feature.
    

Local fix

  • As a workaround for this problem, please disable pipelining.
    

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    Users of channels with the pipelining feature.
    
    Platforms affected:
    All Distributed (iSeries, all Unix and Windows)
    ****************************************************************
    PROBLEM SUMMARY:
    The pipelining feature enables MCAs to send/receive messages
    using a pair of threads on either side. The threads fail to
    free storage allocated by other threads.
    

Problem conclusion

  • Appropriate changes has been made to free storage properly by
    a thread which is not the owner of the storage.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
                       v6.0
    Platform           Fix Pack 6.0.2.3
    --------           --------------------
    Windows            U200279
    AIX                U811346
    HP-UX (PA-RISC)    U811630
    HP-UX (Itanium)    U811631
    Solaris (SPARC)    U811632
    Solaris (x86-64)   U811633
    iSeries            SI27288
    Linux (x86)        U811634
    Linux (x86-64)     U811635
    Linux (zSeries)    U811636
    Linux (Power)      U811637
    Linux (s390x)      U811638
    
    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

    IY98973

  • Reported component name

    WMQ LIN X86 V6

  • Reported component ID

    5724H7204

  • Reported release

    600

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2007-05-21

  • Closed date

    2007-08-21

  • Last modified date

    2007-09-04

  • 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 LIN X86 V6

  • Fixed component ID

    5724H7204

Applicable component levels

  • R600 PSY

       UP

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Document Information

Modified date:
04 September 2007