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IV80334: SYSTEM CRASH WHEN USING CIFS_FS DUE TO TREE CORRUPTION APPLIES TO AIX 6100-09 16/11/14 PTF PECHANGE

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APAR status

  • Closed as program error.

Error description

  • **************************************************************
* USERS AFFECTED:
  * Systems running the AIX 6100-09 Technology Level or
  * VIOS 2.2.3.x or 2.2.4.x
  * with bos.cifs_fs.rte at the 6.1.9.100 level.
  **************************************************************
  * PROBLEM DESCRIPTION:
  * This only affects users of the CIFS client driver.
  *
  * The system may crash or hang in the CIFS driver after
  * removing a file or directory.
  * The stack trace of the crash can vary, but will include
  * smbfs_search_tree() or smbfs_create_node().
  **************************************************************
  * RECOMMENDATION:
  * Install APAR IV80334.
  * Prior to fix availability, an interim fix is available from
  * either
  * ftp://aix.software.ibm.com/aix/ifixes/iv80334/
  * https://aix.software.ibm.com/aix/ifixes/iv80334/
  * Installation of the ifix requires a reboot.
  **************************************************************

Local fix

  • 



Problem summary


    

  •   **************************************************************
  * USERS AFFECTED:
  * Systems running the AIX 6100-09 Technology Level or
  * VIOS 2.2.3.x or 2.2.4.x
  * with bos.cifs_fs.rte at the 6.1.9.100 level.
  **************************************************************
  * PROBLEM DESCRIPTION:
  * This only affects users of the CIFS client driver.
  *
  * The system may crash or hang in the CIFS driver after
  * removing a file or directory.
  * The stack trace of the crash can vary, but will include
  * smbfs_search_tree() or smbfs_create_node().
  **************************************************************
  * RECOMMENDATION:
  * Install APAR IV80334.
  * Prior to fix availability, an interim fix is available from
  * either
  * ftp://aix.software.ibm.com/aix/ifixes/iv80334/
  * https://aix.software.ibm.com/aix/ifixes/iv80334/
  * Installation of the ifix requires a reboot.
  **************************************************************

    



Problem conclusion


    

  • Change locking mechanism to avoid trying to remove a node twice

    



Temporary fix


    

  •   *********
  * HIPER *
  *********

    



Comments


    

  • 



APAR Information




    

  • APAR number
    IV80334
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    YesPE
    • 

  • HIPER
    YesHIPER
    • 

  • Submitted date
    2016-01-13
    • 

  • Closed date
    2016-01-28
    • 

  • Last modified date
    2016-11-14
    • 






Fix information


    

  • Fixed component name
    AIX 610 STD EDI
    • 

  • Fixed component ID
    5765G6200
    • 



Applicable component levels


    

  • R610  PSY  U868860
       UP16/10/25  I  1000  Ž
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            17 December 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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