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IV57785: CAT /PROC/SYS/FS/JFS2/MEMORY_USAGE MAY RETURN INVALID ARGUMENT APPLIES TO AIX 6100-08

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APAR status

  • Closed as program error.

Error description

  • cat /proc/sys/fs/jfs2/memory_usage may return with an
error
and if it didn't return with an error, it returned an
incomplete message.

$ cat /proc/sys/fs/jfs2/memory_usage
cat: /proc/sys/fs/jfs2/memory_usage: A system call
received a parameter that is not valid.
cat: 0652-053 Cannot close the file.

$ cat /proc/sys/fs/jfs2/memory_usage
total: 220823552

The expected message should look like:
$ cat /proc/sys/fs/jfs2/memory_usage
metadata cache: 8163328
inode cache: 4259840
total: 12423168

This problem occurs on 61Y.

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:
* Systems running the 6100-08 Technology Level with the
* bos.mp64 fileset at the 6.1.8.17 level.
****************************************************************
* PROBLEM DESCRIPTION:
* cat /proc/sys/fs/jfs2/memory_usage may return with an
* error
* and if it didn't return with an error, it returned an
* incomplete message.
* $ cat /proc/sys/fs/jfs2/memory_usage
* cat: /proc/sys/fs/jfs2/memory_usage: A system call
* received a parameter that is not valid.
* cat: 0652-053 Cannot close the file.
* $ cat /proc/sys/fs/jfs2/memory_usage
* total: 220823552
* The expected message should look like:
* $ cat /proc/sys/fs/jfs2/memory_usage
* metadata cache: 8163328
* inode cache: 4259840
* total: 12423168
****************************************************************
* RECOMMENDATION:
* Install APAR IV57785.
****************************************************************

    



Problem conclusion


    

  • In tuning_file_read(), check buffer size before
calling uiomove()

    



Temporary fix


    

  • 



Comments


    

  • 6100-08 - use AIX APAR IV57785
6100-09 - use AIX APAR IV54359
6100-09 - use AIX APAR IV54359
6100-09 - use AIX APAR IV54359
6100-09 - use AIX APAR IV54359
7100-02 - use AIX APAR IV56930
7100-03 - use AIX APAR IV55030
7100-04 - use AIX APAR IV54935

    



APAR Information




    

  • APAR number
    IV57785
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    YesPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-03-27
    • 

  • Closed date
    2014-03-27
    • 

  • Last modified date
    2016-05-10
    • 





    

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

    
IV54359
    

    • 

  • 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  U862133
       UP14/08/08  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            10 May 2016
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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