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IV56924: SYSTEM CRASH IN VPM_EVAL_STATE() APPLIES TO AIX 7100-02

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APAR status

  • Closed as program error.

Error description

  • System crash with following stack:

(0)> f
pvthread+000000 STACK:
[00380118]vpm_eval_state+000378 (0000000000000000,
00000000FFFFFFFF [??])
[0037FB58]vpm_check_and_act+000058 ()
[001A93AC]sched+000D4C (??, ??, ??)
[00477A8C].runsched+000010 ()
[kdb_read_mem] no real storage @ FFFFFFFFFFF8F90

Local fix

  • schedo -o vpm_throughput_mode=0

Problem summary

  • Customer will experience system crash if
vpm_xvcpus is set to -1, vpm_fold_policy to 1
and vpm_throughput_mode to 4.

Problem conclusion

  • Bypass CPU requirements folding calculations when vpm_xvcpus
value is -1.

Temporary fix

  • 



Comments


    

  • 6100-07 - use AIX APAR IV58194
6100-08 - use AIX APAR IV50412
6100-09 - use AIX APAR IV52685
6100-09 - use AIX APAR IV52685
6100-09 - use AIX APAR IV52685
7100-01 - use AIX APAR IV57479
7100-02 - use AIX APAR IV56924
7100-03 - use AIX APAR IV52767

    



APAR Information




    

  • APAR number
    IV56924
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-03-20
    • 

  • Closed date
    2014-03-20
    • 

  • Last modified date
    2014-08-14
    • 





    

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

    
IV50412
    

    • 

  • 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  U859634
       UP14/08/12  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            14 August 2014
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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