IBM Support

IT20754: IBM MQ Appliance crash during error report generation

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APAR status

  • Closed as program error.

Error description

  • The IBM MQ Appliance crashes unexpectedly when generating an
    error report. The error report captured during the crash  likely
    to show the signum 0xb and Component Error Report.
    
    Error report generated during the crash:
    
    Thread 0x2b54455b: SecsUp 0x0000000000306757, ptid
    0x00007f500a5e3700, xactid 0x000000000000011f
    Thread 0x2b54455b: death_action: signum 0x000000000000000b,
    si_code 0x0000000000000001, eip 0x0000000000793ec6, si_addr
    0x0000000000000008
    Thread 0x2b54455b: Component=ErrorReport, Domain=default,
    Config=ErrorReport
    

Local fix

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    Users using the IBM MQ Appliance.
    
    
    Platforms affected:
    MultiPlatform
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    This problem occurred because the IBM MQ Appliance was trying to
    dereference a NULL pointer which resulted in memory
    exception(SIGSEGV) when generating an error report.
    

Problem conclusion

  • The IBM MQ Appliance code has been modified to resolve the
    memory exception problem.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v8.0       8.0.0.8
    
    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

    IT20754

  • Reported component name

    IBM MQ APPL M20

  • Reported component ID

    5725Z0900

  • Reported release

    800

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-05-25

  • Closed date

    2017-06-30

  • Last modified date

    2017-06-30

  • 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

    IBM MQ APPL M20

  • Fixed component ID

    5725Z0900

Applicable component levels

  • R800 PSY

       UP

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Document Information

Modified date:
30 June 2017