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IV66869: INADVERTANT DISABLING OF P_BLOCK_SUPPORT ON P8 APPLIES TO AIX 6100-09

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APAR status

  • Closed as program error.

Error description

  • Disabling page size support (vmo tunable vmm_mpsize_support=0)
either explicitly or implicitly as part of AME or AMS will
unintentionally also disable the POWER8 H_BLOCK_REMOVE feature
controlled by the p_block_support vmo tunable.

Local fix

  • 



Problem summary


    

  • Disabling page size support (vmo tunable vmm_mpsize_support=0)
either explicitly or implicitly as part of AME or AMS will
unintentionally also disable the POWER8 H_BLOCK_REMOVE feature
controlled by the p_block_support vmo tunable.

    



Problem conclusion


    

  • Fix the boot time initialize code for p_block_support.

    



Temporary fix


    

  • 



Comments


    

  • 6100-09 - use AIX APAR IV66869
7100-03 - use AIX APAR IV66891

    



APAR Information




    

  • APAR number
    IV66869
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-11-12
    • 

  • Closed date
    2014-11-12
    • 

  • Last modified date
    2015-11-22
    • 





    

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

    
IV66845
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX 610 STD EDI
    • 

  • Fixed component ID
    5765G6200
    • 



Applicable component levels


    

  • R610  PSY  U861403
       UP15/11/22  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            17 December 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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