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IZ83325: CRASH ON POWER 4 WHEN USING 16MB PAGES AND LOW PINNED MEMORY. APPLIES TO AIX 6100-06

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APAR status

  • Closed as program error.

Error description

  • =============
A Power 4 LPAR that is not DR memory add/remove capable with
16MB pages must be used. It must also be running low on
memory and be at its pin thresholds.
(1)> f
pvthread+037B00 STACK:
￭0001BF00abend_trap+000000 ()
￭0020268Cvm_drlist_alloc+0001CC ()
￭002027C4create_drlist+000084 (??, ??, ??, ??, ??)
￭002094F8vm_addmem+000218 (??, ??, ??)
￭0020A3E4vm_uncarve_lgpg+000024 (??)
￭00300724vmpool_lgpg_to_4k+000064 (??, ??)
￭00300964vm_free_lgpg+000164 ()
￭00300B0Cvm_free_lgpgs+0000EC (??)
￭000D579Cvm_free_nonpg_mem+00007C (??)

Local fix

  • 



Problem summary


    

  • =============
A Power 4 LPAR that is not DR memory add/remove capable with
16MB pages must be used. It must also be running low on
memory and be at its pin thresholds.
(1)> f
pvthread+037B00 STACK:
 0001BF00 abend_trap+000000 ()
 0020268C vm_drlist_alloc+0001CC ()
 002027C4 create_drlist+000084 (??, ??, ??, ??, ??)
 002094F8 vm_addmem+000218 (??, ??, ??)
 0020A3E4 vm_uncarve_lgpg+000024 (??)
 00300724 vmpool_lgpg_to_4k+000064 (??, ??)
 00300964 vm_free_lgpg+000164 ()
 00300B0C vm_free_lgpgs+0000EC (??)
 000D579C vm_free_nonpg_mem+00007C (??)

    



Problem conclusion


    

  • Avoid memory add/remove operations on DR-capable systems.

    



Temporary fix


    

  • 



Comments


    

  • 5300-12 - use AIX APAR IZ82807
6100-03 - use AIX APAR IZ87713
6100-04 - use AIX APAR IZ87684
6100-05 - use AIX APAR IZ87606
6100-06 - use AIX APAR IZ83325
7100-00 - use AIX APAR IZ85547

    



APAR Information




    

  • APAR number
    IZ83325
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2010-08-22
    • 

  • Closed date
    2010-08-22
    • 

  • Last modified date
    2013-04-17
    • 





    

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

    
IZ82807
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX 610 STD EDI
    • 

  • Fixed component ID
    5765G6200
    • 



Applicable component levels


    

  • R610  PSY  U833973
       UP11/05/13  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            17 April 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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