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IV39314: AIX NFSV4 SERVER CRASHES IN SM4_VCM_RETURN_RIGHTS+0000D0 APPLIES TO AIX 5300-12

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APAR status

  • Closed as program error.

Error description

  • AIX NFSv4 server crashes with the following stack:

(41)> f
pvthread+08F100 STACK:
[0631B5B0]sm4_vcm_return_rights+0000D0 (000000000000001F
[??])
[062EAF90]sm4_fr_release_end+0000D0 (??)
[062EB248]sm4_fr_release+000088 (??)
[06311D70]revoke_or_hash_chain+0009B0 (??, ??, ??, ??,
??)
[06311098]revoke_oo_hash_chain+0006F8 (??, ??, ??, ??)
[0630A358]clean_resource+000658 (??)
[063185A0]sm4_cleanup+000360 (??, ??, ??)
[0026E810]procentry+000010 (??, ??, ??, ??)
[kdb_read_mem] no real storage @ FFFFFFFFFFF92C0

There is a race condition between the underlying physical
filesystems being unexported and the SM4 cleanup thread
kicking off

Local fix

  • 



Problem summary


    

  • AIX NFSv4 server crashes in sm4_vcm_return_rights

    



Problem conclusion


    

  • Modified the checks to avoid incorrect asserts

    



Temporary fix


    

  • 



Comments


    

  • 5300-12 - use AIX APAR IV39314
6100-06 - use AIX APAR IV40759
6100-07 - use AIX APAR IV40624
6100-08 - use AIX APAR IV38772
7100-00 - use AIX APAR IV41546
7100-01 - use AIX APAR IV37617
7100-01 - use AIX APAR IV37617
7100-02 - use AIX APAR IV38951

    



APAR Information




    

  • APAR number
    IV39314
    • 

  • Reported component name
    AIX 5.3 EXT SUP
    • 

  • Reported component ID
    5765G0399
    • 

  • Reported release
    53E
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2013-04-04
    • 

  • Closed date
    2013-04-04
    • 

  • Last modified date
    2013-11-24
    • 





    

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

    
IV37617
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX 5.3 EXT SUP
    • 

  • Fixed component ID
    5765G0399
    • 



Applicable component levels


    

  • R53E  PSY
       UP
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            24 November 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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