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
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"C10","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            16 October 2015
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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