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IV60048: SYSTEM CRASH SOMETIME AFTER LPM OR SUSPEND/RESUME APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • After an LPM or Resume event a system crash with a stack trace
like:
Ý0001C040¨abend_trap+000000
Ý001EE69C¨dr_memp_sync+0002FC
Ý001EF130¨vm_memp_unlink+000190
Ý001EF27C¨vm_memp_delete+00001C
Ý001E6A5C¨vm_memp_rebalance+00009C
Ý001EDB70¨vm_memp_rebal_kproc+0000D0

This can only happen if the error check level on the vmm.dr
component is set to maximal (9).

Local fix

  • 



Problem summary


    

  • After an LPM or Resume event a system crash with a stack trace
like:
 0001C040 abend_trap+000000
 001EE69C dr_memp_sync+0002FC
 001EF130 vm_memp_unlink+000190
 001EF27C vm_memp_delete+00001C
 001E6A5C vm_memp_rebalance+00009C
 001EDB70 vm_memp_rebal_kproc+0000D0

This can only happen if the error check level on the vmm.dr
component is set to maximal (9).

    



Problem conclusion


    

  • Correctly range check for the highest active memory
affinity domain in the code.

    



Temporary fix


    

  • 



Comments


    

  • 6100-09 - use AIX APAR IV59969
6100-09 - use AIX APAR IV59969
7100-03 - use AIX APAR IV60048
7100-04 - use AIX APAR IV60224

    



APAR Information




    

  • APAR number
    IV60048
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-05-02
    • 

  • Closed date
    2014-05-02
    • 

  • Last modified date
    2016-05-10
    • 





    

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

    
IV59969
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX V7.1
    • 

  • Fixed component ID
    5765H4000
    • 



Applicable component levels


    

  • R710  PSY  U862090
       UP14/10/29  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            10 May 2016
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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