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IJ00138: MPOOL MEMORY LEAK WHEN MSNENTDD FAILS TO OPEN APPLIES TO AIX 7200-03

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APAR status

  • Closed as program error.

Error description

  • If the msnentdd happens to fail during a particular point
in the open process, the mbuf pools are not released.
This can be noticed by doing netstat -M and observing
an increase in the number of pools.  A considerable
amount of memory can be consumed in this case.

Local fix

  • 



Problem summary


    

  • netstat -M shows more number of mpools allocated every time
mason adapter open fails indicating the mbuf leak.
Customer may run out of network memory.

    



Problem conclusion


    

  • Handled the driver's clean up code to free mbufs before
releasing mpool in open failure path.

    



Temporary fix


    

  • 



Comments


    

  • 6100-09 - use AIX APAR IV99276
6100-09 - use AIX APAR IV99276
7100-04 - use AIX APAR IJ01807
7100-05 - use AIX APAR IJ00134
7200-03 - use AIX APAR IJ00138

    



APAR Information




    

  • APAR number
    IJ00138
    • 

  • Reported component name
    AIX V7.2
    • 

  • Reported component ID
    5765CD200
    • 

  • Reported release
    720
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2017-09-19
    • 

  • Closed date
    2017-09-19
    • 

  • Last modified date
    2018-09-21
    • 





    

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

    
IJ00133
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX V7.2
    • 

  • Fixed component ID
    5765CD200
    • 



Applicable component levels


    

  • R720  PSY  U876977
       UP18/09/13  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            21 September 2018
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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