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IV74746: THREAD_CPUTIME_FAST RETURNS INVALID VALUES IN POWER4/POWER5 APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • The exported system call thread_cputime_fast does not
update the thread_cputime_t structure correctly in
systems
POWER5 and below. Issue does not occur on POWER6 systems
and above.

Local fix

  • 



Problem summary


    

  • Not copying user  and system time to user memory from
thread_cputime_t structure and
resulting in application  getting wrong utime and stime

    



Problem conclusion


    

  • Update the user and system time to user memory from
thread_cputime_t structure.

    



Temporary fix


    

  • 



Comments


    

  • ×**** PE17/04/21 PTF IN ERROR. SEE APAR IV93884  FOR DESCRIPTION

    



APAR Information




    

  • APAR number
    IV74746
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2015-07-02
    • 

  • Closed date
    2016-04-18
    • 

  • Last modified date
    2017-04-21
    • 






Fix information


    

  • Fixed component name
    AIX V7.1
    • 

  • Fixed component ID
    5765H4000
    • 



Applicable component levels


    

  • R710  PSY  U872346
       UP17/01/19  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

              [{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11R","label":"AIX 7.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"","label":""}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            21 April 2017
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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