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IV52766: SYSTEM MAY CRASH SOON AFTER FORCE UNMOUNTING A JFS2 FILE SYSTEM APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • System may crash after force unmounting a JFS2 file
system that has been exported for NFSv4.  The stack
trace is:
[00179D74]iPut+0005F4 (F1000A060C69BC80,
 F1000A12002F7000 [??])
[00179A9C]iPut+00031C (??, ??)
[003E3938]j2_force_rele+000098 (??)
[0059BD44]vnop_rele+000084 (??)
[005B3F5C]vno_close+00005C (??)
[0064A45C]closef+00005C (??)
[0055E610]closefd+000150 (??, ??)
[0055E9C4]closex+000304 (??, ??)
[0055EC3C]close+00011C (??)

Local fix

  • Do not use inherited ACLs or forced unmounts.

Problem summary

  • System may crash after force unmounting a JFS2 file
system that has been exported for NFSv4.  The stack
trace is:
 00179D74 iPut+0005F4 (F1000A060C69BC80,
 F1000A12002F7000  ?? )
 00179A9C iPut+00031C (??, ??)
 003E3938 j2_force_rele+000098 (??)
 0059BD44 vnop_rele+000084 (??)
 005B3F5C vno_close+00005C (??)
 0064A45C closef+00005C (??)
 0055E610 closefd+000150 (??, ??)
 0055E9C4 closex+000304 (??, ??)
 0055EC3C close+00011C (??)

Problem conclusion

  • Free ACL only after ensuring that no one is having a reference
to it.

Temporary fix

  • 



Comments


    

  • 6100-07 - use AIX APAR IV44970
6100-08 - use AIX APAR IV57774
6100-09 - use AIX APAR IV51902
6100-09 - use AIX APAR IV51902
6100-09 - use AIX APAR IV51902
7100-01 - use AIX APAR IV57474
7100-02 - use AIX APAR IV56918
7100-03 - use AIX APAR IV52766

    



APAR Information




    

  • APAR number
    IV52766
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2013-12-02
    • 

  • Closed date
    2013-12-02
    • 

  • Last modified date
    2014-08-14
    • 





    

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

    
IV44970
    

    • 

  • 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  U858978
       UP14/05/22  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            14 August 2014
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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