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IT35784: ONMODE -C BLOCK CAN RESULT IN A VERY BUSY CPU VP

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APAR status

  • Closed as program error.

Error description

  • After onmode -c block is executed

an onstat -r 1 -g glo shows

 1     13893952  cpu         16.39     1.10      17.49     39.31
44%
 1     13893952  cpu         16.39     1.10      17.49     40.36
43%
 1     13893952  cpu         18.06     1.21      19.27     41.34
46%
 1     13893952  cpu         18.06     1.21      19.27     42.33
45%
 1     13893952  cpu         18.06     1.21      19.27     43.31
44%
 1     13893952  cpu         19.72     1.32      21.04     44.30
47%
 1     13893952  cpu         19.72     1.32      21.04     45.28
46%
 1     13893952  cpu         19.72     1.32      21.04     46.27
45%
 1     13893952  cpu         21.39     1.43      22.82     47.26
48%
 1     13893952  cpu         21.39     1.43      22.82     48.24
47%

and an onstat -r 1 -g cpu shows

 23       70000002162c748  7000000204851e8  1    running
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    running
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    ready
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    ready
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    running
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    ready
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    running
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    ready
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    ready
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    running
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    running
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    ready
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    running
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    running
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    running
1cpu*        onmode_mon
 23       70000002162c748  7000000204851e8  1    running
1cpu*        onmode_mon

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 14.10.FC6.                 *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 14.10.xC6 (when available).       *
****************************************************************

    



Problem conclusion


    

  • Fixed in Informix Server 14.10.xC6.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT35784
    • 

  • Reported component name
    INFORMIX SERVER
    • 

  • Reported component ID
    5725A3900
    • 

  • Reported release
    E10
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2021-02-03
    • 

  • Closed date
    2021-05-12
    • 

  • Last modified date
    2021-05-12
    • 





    

  • 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


    








      
              
                            

              

              [{"Line of Business":{"code":"LOB10","label":"Data and AI"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"E10"}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            13 May 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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