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IZ84053: SYSTEM CRASH IN V_STABFAULT APPLIES TO AIX 6100-04

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APAR status

  • Closed as program error.

Error description

  • Aix 6.1 System can crash with following stack trace:-

CRASH INFORMATION:
CPU 1 CSA F10004158006CD00 at time of crash, error code
for LEDs: 70000000
pvthread+012A00 STACK:
[0001AD00]abend_trap+000000 ()
[0025F5B0]v_stabfault+000130 (??, ??, ??, ??, ??)
[0015305C]state_save_ret+00026C ()
____ Exception (F00000002FF47600) ____

Page fault on a privately mmapped segment can lead the
system to crash with the above stack trace.

Local fix

  • Tune the following vmo variables to avoid the problem.

vmo -p -o vmm_default_pspa=-1
vmo -r -o vmm_mpsize_support=1

Problem summary

  • System crash in v_stabfault()

Problem conclusion

  • Code changes made to have the correct arguments passed.

Temporary fix

  • 



Comments


    

  • 6100-02 - use AIX APAR IZ84085
6100-03 - use AIX APAR IZ74258
6100-04 - use AIX APAR IZ84053
6100-05 - use AIX APAR IZ83843
6100-06 - use AIX APAR IZ80695
6100-06 - use AIX APAR IZ80553
7100-00 - use AIX APAR IZ84190

    



APAR Information




    

  • APAR number
    IZ84053
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2010-08-31
    • 

  • Closed date
    2010-08-31
    • 

  • Last modified date
    2013-03-28
    • 





    

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

    
IZ74258
    

    • 

  • 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  U836735
       UP10/10/15  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

              [{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSAUMY","label":"IBM AIX Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11Q","label":"AIX 6.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            28 March 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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