IBM Support

PI99622: INFINITE LOOP INSTRUCTION DETECTED IN IWZEMESG.O

A fix is available

COBOL for AIX Fix Pack 16 (July 2018 PTF) for 4.1.1

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • When running a COBOL application via DBX, an infinite loop
instruction is detected in one of the internal COBOL error
message handling objects.

Local fix

  • N/A

Problem summary

  • USERS AFFECTED:
Clients debugging COBOL applicatioins via dbx and using
instruction tracing commands may be affected by this issue.

PROBLEM DESCRIPTION:
The tracing commands in dbx revealed a section within the COBOL
runtime that may cauase the debugger to trace in a loop

Problem conclusion

  • RECOMMENDATION TO CUSTOMER: Install the PTF that has the fix

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PI99622
    • 

  • Reported component name
    COBOL AIX RUNTI
    • 

  • Reported component ID
    5724Z8702
    • 

  • Reported release
    411
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2018-06-27
    • 

  • Closed date
    2018-06-27
    • 

  • Last modified date
    2018-06-27
    • 





    

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

    
PI87910
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    COBOL AIX RUNTI
    • 

  • Fixed component ID
    5724Z8702
    • 



Applicable component levels


    








      
              
                            

              

              [{"Line of Business":{"code":"LOB17","label":"Mainframe TPS"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SS6SGM","label":"COBOL for AIX"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"411"}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            25 January 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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