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IZ82018: MACHINE CRASHED AT SET_N4INFO+000164 APPLIES TO AIX 6100-06

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APAR status

  • Closed as program error.

Error description

  • nfs v4 client machine crashed when trying to change nfs v4
mount option via nfs4cl. The stack trace looks like

KDB(6)> f
pvthread+07EF00 STACK:
￭0652E764set_n4info+000164 (0000000006620728,
0000000000000001 ￭??)
￭0000386Covlya_addr_sc_flih_main+00014C ()
￭10001074setfsoptions+000174 (??, ??)
￭100005B8main+000238 (??, ??)
￭10000168__start+000068 ()

where we are trying to populate r5 (the 3rd parameter) before
calling the trace function.
This can also happen when trying to reset the nfs v4 mount
option through unset_n4info()

Local fix

  • 



Problem summary


    

  • nfs v4 client machine crashed when trying to change nfs v4
mount option via nfs4cl. The stack trace looks like

KDB(6)> f
pvthread+07EF00 STACK:
 0652E764 set_n4info+000164 (0000000006620728,
0000000000000001  ?? )
 0000386C ovlya_addr_sc_flih_main+00014C ()
 10001074 setfsoptions+000174 (??, ??)
 100005B8 main+000238 (??, ??)
 10000168 __start+000068 ()

where we are trying to populate r5 (the 3rd parameter) before
calling the trace function.
This can also happen when trying to reset the nfs v4 mount
option through unset_n4info()

    



Problem conclusion


    

  • don't de-reference path, just trace path pointer

    



Temporary fix


    

  • 



Comments


    

  • 6100-04 - use AIX APAR IZ83978
6100-05 - use AIX APAR IZ83944
6100-06 - use AIX APAR IZ81384
6100-06 - use AIX APAR IZ82018
7100-00 - use AIX APAR IZ84531

    



APAR Information




    

  • APAR number
    IZ82018
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2010-08-09
    • 

  • Closed date
    2010-08-09
    • 

  • Last modified date
    2013-03-29
    • 





    

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

    
IZ81384
    

    • 

  • 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  U835918
       UP11/05/10  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            29 March 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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