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IV33525: BINARYENCODING PHASE CRASHED DUE TO GCMAP NOT SET UP

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: N/A
.
Stack Trace: N/A
.
Crashing in libj9jit*.so with vmstate=0x0005ff0x.

Local fix

  • 



Problem summary


    

  • When a method is optimized to have a few instructions remaining
and there is no register used, we skipped register assigning
altogether. However, GCMap is set up during register assigning.
This can cause crash in BinaryEncoding phase when we use the
GCMap pointer.

    



Problem conclusion


    

  • This defect will be fixed in:
5.0.0 SR16
6.0.0 SR13
6.0.1 SR5
7.0.0 SR4
.
Do register assigning no matter if there is register or not.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV33525
    • 

  • Reported component name
    JIT
    • 

  • Reported component ID
    620700124
    • 

  • Reported release
    600
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2012-12-17
    • 

  • Closed date
    2013-01-07
    • 

  • Last modified date
    2013-01-07
    • 





    

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

    
IV33524
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    JIT
    • 

  • Fixed component ID
    620700124
    • 



Applicable component levels


    

  • R600  PSY
       UP
    • 

  • R260  PSY
       UP
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            07 January 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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