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IV53582: XMGC NOT TRAVERSING ALL KERNEL HEAPS. APPLIES TO AIX 6100-09 14/04/17 PTF PECHANGE

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APAR status

  • Closed as program error.

Error description

  • xmalloc garbage collector not traversing all kernel heaps
causing pinned kernel heap growth.

Local fix

  • 



Problem summary


    

  • **********************************************************
* USERS AFFECTED:
* Systems running the 6100-09 Technology Level with
* bos.mp64 below the 6.1.9.2 level.
**********************************************************
* PROBLEM DESCRIPTION:
* xmalloc garbage collector is not traversing all kernel
* heaps, causing pinned and virtual memory growth.  This
* can lead to low memory or low paging space issues,
* resulting in performance degradations and, in some
* cases, a system hang or crash.
**********************************************************
* RECOMMENDATION:
* Install APAR IV53582.
* Prior to fix availability, an interim fix is available
* from either
* ftp://aix.software.ibm.com/aix/ifixes/iv53582/
* https://aix.software.ibm.com/aix/ifixes/iv53582/
**********************************************************

    



Problem conclusion


    

  • correct garbage collection

    



Temporary fix


    

  • *********
* HIPER *
*********

    



Comments


    

  • 



APAR Information




    

  • APAR number
    IV53582
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    YesPE
    • 

  • HIPER
    YesHIPER
    • 

  • Submitted date
    2013-12-26
    • 

  • Closed date
    2013-12-27
    • 

  • Last modified date
    2014-05-21
    • 





    

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

    • 

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

    
IV53587 IV59240 IV60212
    

    • 



Fix information


    

  • Fixed component name
    AIX 610 STD EDI
    • 

  • Fixed component ID
    5765G6200
    • 



Applicable component levels


    

  • R610  PSY  U859304
       UP14/05/21  I  1000  ®
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            21 May 2014
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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