IBM Support

IT00601: SEGV POSSIBLE IN CHKCHILDREN DUE TO TIMING ISSUE

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APAR status

  • Closed as program error.

Error description

  • A segv happened due to two or more sessions deleting rows from
    the same table at the same time after an update statistics
    marked that table's dictionary cache entry dirty. This produced
    the following stack:
    
    afstack
    mt_ex_throw_sig
    afsig_handler
    chkchildren
    chkrowcons
    dodmlrow
    dodelupd
    excommand
    sq_execute
    sqmain
    spawn_thread
    th_init_initgls
    startup
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * those using foreign key constraints and updating primary     *
    * keys                                                         *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Update to IDS-11.70.xC9 or IDS-12.10.xC5                     *
    ****************************************************************
    

Problem conclusion

  • Problem Fixed In IDS-11.70.xC9 and IDS-12.10.xC5
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT00601

  • Reported component name

    INFORMIX SERVER

  • Reported component ID

    5725A3900

  • Reported release

    C10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2014-03-25

  • Closed date

    2015-10-16

  • Last modified date

    2015-10-16

  • 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

    INFORMIX SERVER

  • Fixed component ID

    5725A3900

Applicable component levels

  • RA10 PSN

       UP

  • RA10 PSY

       UP

  • RB10 PSN

       UP

  • RB10 PSY

       UP

  • RB50 PSN

       UP

  • RB50 PSY

       UP

  • RB70 PSN

       UP

  • RB70 PSY

       UP

  • RC10 PSN

       UP

  • RC10 PSY

       UP

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Document Information

Modified date:
16 October 2015