IBM Support

JR33936: DROP DATABASE PROCESSING INSTALLS SIGCHILD SIGNAL HANDLER, WHICH MAY LEAD TO DEFUNCT PROCESSES

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APAR status

  • Closed as program error.

Error description

  • Drop database processing on AIX will invoke slibclean from
    within the server code. When doing so, a sigchild signal handler
    is installed. In the Threaded db2 server ( v9.5 and above ),
    this is not allowed as it can lead to defunct processes being
    created.
    

Local fix

  • n/a
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * DB2 on AIX users                                             *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * zombie/defunct db2vend processes can appear in very rare     *
    * circumstances.                                               *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply V9.5 fixpak 5 on the database server                   *
    ****************************************************************
    

Problem conclusion

  • This problem was first fixed in v9.5 fixpak 5
    

Temporary fix

Comments

APAR Information

  • APAR number

    JR33936

  • Reported component name

    DB2 UDB ESE WIN

  • Reported component ID

    5765F4101

  • Reported release

    950

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-08-10

  • Closed date

    2009-12-22

  • Last modified date

    2009-12-22

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

    IZ47577

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

    IC64654

Fix information

  • Fixed component name

    DB2 UDB ESE WIN

  • Fixed component ID

    5765F4101

Applicable component levels

  • R950 PSN

       UP

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEPGG","label":"DB2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"950","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
22 December 2009