IBM Support

IZ67430: SEGMENTATION FAULT PROBLEM AT -O2

Fixes are available

October 2010 PTF for XL C/C++ for AIX, V10.1
October 2010 PTF for XL C for AIX, V10.1
May 2012 PTF for XL C/C++ for AIX, V10.1
January 2013 PTF for XL C for AIX, V10.1
January 2013 PTF for XL C/C++ for AIX, V10.1
XL C/C++ for AIX Fix Pack 18 (July 2013 PTF) for 10.1
XL C/C++ for AIX Fix Pack 19 (October 2013 PTF) for 10.1
XL C/C++ for AIX Fix Pack 21 (October 2015 PTF) for 10.1
XL C for AIX Fix Pack 21 (October 2015 PTF) for 10.1
March 2010 PTF for XL C for AIX, V10.1
March 2010 PTF for XL C/C++ for AIX, V10.1
April 2010 PTF for XL C for AIX, V10.1
April 2010 PTF for XL C/C++ for AIX, V10.1
June 2010 PTF for XL C/C++ for AIX, V10.1
June 2010 PTF for XL C for AIX, V10.1
February 2011 PTF for XL C for AIX, V10.1
May 2011 PTF for XL C/C++ for AIX, V10.1
May 2011 PTF for XL C for AIX, V10.1
October 2011 PTF for XL C/C++ for AIX, V10.1
October 2011 PTF for XL C for AIX, V10.1
February 2012 PTF for XL C for AIX, V10.1
February 2012 PTF for XL C/C++ for AIX, V10.1
May 2012 PTF for XL C for AIX, V10.1
September 2012 PTF for XL C for AIX, V10.1
September 2012 PTF for XL C/C++ for AIX, V10.1
XL C for AIX Fix Pack 18 (July 2013 PTF) for 10.1
XL C for AIX Fix Pack 19 (October 2013 PTF) for 10.1
XL C for AIX Fix Pack 20 (October 2014 PTF) for 10.1
XL C/C++ for AIX Fix Pack 20 (October 2014 PTF) for 10.1

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • The application compiled and linked with -O (-O2) is crashing,
it works OK with noopt.

Local fix

  • N/A

Problem summary

  • With optimization, a segmentation Violation in the first call
after returning from a function that used floating point and
called a shared library function also using floating point.

Problem conclusion

  • Use -qxflag=no_restfn if affected by the problem.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IZ67430
    • 

  • Reported component name
    XL C++ AIX
    • 

  • Reported component ID
    5724U8100
    • 

  • Reported release
    A10
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2009-12-31
    • 

  • Closed date
    2010-02-24
    • 

  • Last modified date
    2010-03-03
    • 






Fix information


    

  • Fixed component name
    XL C AIX
    • 

  • Fixed component ID
    5724U8000
    • 



Applicable component levels


    








      
              
                            

              

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

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            06 October 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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