IBM Support

IC80961: ASSERTION FAILURE POSSIBLE IN ADD_TO_FREELIST() WHEN QSTATS IS ACTIVATED AND ONSTAT -Z IS RUN

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APAR status

  • Closed as program error.

Error description

  • On an instance with QSTATS activated and onstat -z is run, an
    assertion failure with the following stacks:
    
    afstack
    mt_ex_throw_sig
    afsig_handler
    add_to_freelist
    mt_free
    qstat_free
    mt_free_mutex
    remove_curmem
    close_cursor
    sq_close
    sqmain
    listen_verify
    spawn_thread
    startup
    coroutine_start
    
    or
    
    afstack
    mt_ex_throw_sig
    afsig_handler
    add_to_freelist
    mt_free
    qstat_free
    mt_free_mutex
    xpl_free_xinfo
    free_sdb_mutexes
    relsdbmem
    doreleasesdb
    sq_release
    sqmain
    listen_verify
    spawn_thread
    startup
    coroutine_start
    
    can be observed. The relevant signature is the part at the top
    starting with mt_free_mutex() and qstat_free().
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Users using QSTATS                                           *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Update to IDS-11.50.xC10                                     *
    ****************************************************************
    

Problem conclusion

  • Problem Fixed In IDS-11.50.xC10
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC80961

  • Reported component name

    INFORMIX SERVER

  • Reported component ID

    5725A3900

  • Reported release

    B50

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2012-01-23

  • Closed date

    2017-06-15

  • Last modified date

    2017-06-15

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

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

    IC82732

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

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Document Information

Modified date:
15 June 2017