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IV50132: TCP REQUEST/RESPONSE STYLE COMMUNICATION MAY HANG AFTER ACK PKT.

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You can track all active APARs for this component.

 

APAR status

  • Closed as fixed if next.

Error description

  • A tcp request/response style communication exchange may
hang after a pure ACK packet is received and the
application
is about to send a new packet.

An iptrace will show this type of pattern right before
the
exchange stops:
request host1>host2
response host2>host1
ACK  host1>host2
--- no further communications for this socket ---

Local fix

  • This is a rare condition exposed by efix for defect
882715.

Problem summary

  • A tcp request/response style communication exchange may
hang when application is about to send a new packet and
a pure ACK packet is received. Very rare timing scenario
exposes this problem.

Problem conclusion

  • 



Temporary fix


    

  • 



Comments


    

  • This APAR is being closed FIN. This means that a solution to
this APAR is expected to be delivered from IBM in a release
(if any) to be available within the next 24 months.

    



APAR Information




    

  • APAR number
    IV50132
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  FIN
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2013-09-30
    • 

  • Closed date
    2014-02-26
    • 

  • Last modified date
    2014-03-11
    • 






Fix information


    



Applicable component levels


    

  • R610  PSY
       UP
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            11 March 2014
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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