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IZ97032: CRASH@CPU 0 CSA F00000002FF47600 APPLIES TO AIX 7100-00

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APAR status

  • Closed as program error.

Error description

  • System may crash when running smtctl -m on on POWER7 platform
if the system is booting with less than 4 SMT threads.
Possible stack from the crash:

KDB(128)> f
si_pvthread+000000 STACK:
￭040F086Cadd_server_number+0000AC ()
￭040F2C44i_reroute_pal_ppc+000564 (??, ??, ??, ??)
￭003DD424.pal_dispatch+000024 (??, ??, ??, ??, ??, ??,
￭0000000000000000 ()
￭0032A568.start_bs_proc+000030 ()

Local fix

  • 



Problem summary


    

  • System may crash when running smtctl -m on on POWER7 platform
if the system is booting with less than 4 SMT threads.
Possible stack from the crash:

KDB(128)> f
si_pvthread+000000 STACK:
 040F086C add_server_number+0000AC ()
 040F2C44 i_reroute_pal_ppc+000564 (??, ??, ??, ??)
 003DD424 .pal_dispatch+000024 (??, ??, ??, ??, ??, ??,
 00000000 00000000 ()
 0032A568 .start_bs_proc+000030 ()

    



Problem conclusion


    

  • hange the way gserver/server data array initialized by
counting the actual number of SMT threads. This is only needs
to be done when SMT is enabeld.

    



Temporary fix


    

  • 



Comments


    

  • 6100-06 - use AIX APAR IZ97053
7100-00 - use AIX APAR IZ97032

    



APAR Information




    

  • APAR number
    IZ97032
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2011-03-21
    • 

  • Closed date
    2011-03-21
    • 

  • Last modified date
    2013-04-16
    • 





    

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

    
IZ96737
    

    • 

  • 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  U833037
       UP11/05/12  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":"710","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":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11R","label":"AIX 7.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"","label":""}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            16 April 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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