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LI76833: NON-ALIGNED FP STORE CAUSING SIGBUS

A fix is available

XL Fortran Advanced Edition for Blue Gene/P Fix Pack 17 (October 2013 Update) for 11.1

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Fortran code containing a COMMON block is encountering a
runtime SIGBUS signal because of an alignment exception when
optimization is enabled.  The issue occurs because of a
non-aligned floating point store instruction.

Local fix

  • Do not use optimization.

Problem summary

  • PROBLEM DESCRIPTION:
Runtime exception because of an unaligned floating point store.

USERS AFFECTED:
Blue Gene users who do string copies.

Problem conclusion

  • The compiler needs to do more analysis, and not assume the
alignment is okay.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    LI76833
    • 

  • Reported component name
    XL FORTRAN AE B
    • 

  • Reported component ID
    5799HJF00
    • 

  • Reported release
    B10
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2012-06-02
    • 

  • Closed date
    2012-08-28
    • 

  • Last modified date
    2012-08-28
    • 





    

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

    • 

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

    
LI76932
    

    • 



Fix information


    

  • Fixed component name
    XL FORTRAN AE B
    • 

  • Fixed component ID
    5799HJF00
    • 



Applicable component levels


    

  • RB10  PSY
       UP
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSJT9L","label":"XL C\/C++"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"B.1","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            17 October 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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