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DY47806: HARDWAIT FFB MAY OCCUR IF ZHPF HAS BEEN ENABLED

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APAR status

  • Closed as program error.

Error description

  • When zHPF has been enabled by SYSDEF SYSTEM,ZHPF=START, rare
condition may cause page fault in IJBZHPF routine, which leads
to HardWait FFB.

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED: Systems running with zHPF active.            *
****************************************************************
* PROBLEM DESCRIPTION: Page fault in IJBZHPF routine causes    *
*                      hardwait FFB.                           *
****************************************************************
EXCP REAL request might result in page fault during
zHPF conversion processing.

    



Problem conclusion


    

  • Prevent translation of EXCP REAL request to transport mode.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    DY47806
    • 

  • Reported component name
    VSE/AF SVR/BAM
    • 

  • Reported component ID
    5686VS606
    • 

  • Reported release
    62C
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2018-11-12
    • 

  • Closed date
    2018-11-30
    • 

  • Last modified date
    2018-12-10
    • 





    

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

    • 

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

    
UD54348
    

    • 



Modules/Macros


    

  • $IJBZHPF

    



Fix information


    

  • Fixed component name
    VSE/AF SVR/BAM
    • 

  • Fixed component ID
    5686VS606
    • 



Applicable component levels


    

  • R62C  PSY  UD54348
       UP18/12/10  I  1000
    • 



Fix is available


    

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Document Information


            

            


                        

            Modified date:
            

            11 December 2020
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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