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IC71968: DB2WDOG CRASHES WITH A SEGMENTATION VIOLATION.

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • The db2wdog EDU may crash with a segmentation violation while it
    is cleaning up resources associated with a FMP process which has
    been terminated by db2agent EDU.
    
    In db2diag.log you will see db2wdog messages related to the FMP
    process clean-up with a NULL "pFmpEntry" followed by a record of
    the crash.
    
    A trap file will be produced containing the stack:
    sqlccfreebuffer
    sqlccfreebuffer
    sqlerCleanThreadResource
    sqlerTerminateFmp
    sqlerReturnFmpToPool
    sqleChildCrashHandler
    ...
    

Local fix

  • N/A.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See ERROR DESCRIPTION.                                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply v9.7 Fixpack 2.                                        *
    ****************************************************************
    

Problem conclusion

  • Problem was first fixed in v9.7 Fixpack 2.  At minimum the fix
    should be applied to the server side.
    

Temporary fix

  • See LOCAL FIX.
    

Comments

APAR Information

  • APAR number

    IC71968

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    970

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-10-17

  • Closed date

    2011-05-19

  • Last modified date

    2011-05-19

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

    IC71933

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

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R910 PSN

       UP

  • R950 PSN

       UP

  • R970 PSN

       UP

  • R980 PSN

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.7","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
19 May 2011