IBM Support

IZ85182: NFS V4 CLIENT DSI AT RFSCALL_PROGVERS4+0000F8 APPLIES TO AIX 6100-06

A fix is available

Obtain the fix for this APAR.

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • nfs v4 client machine crashed when doing state recovery
the stack trace looks like
KDB(7)> f
pvthread+2CB500 STACK:
￭04ACD7B8rfscall_progvers4+0000F8 (7777777777777777,
00000000000186A3, 0000000000000004, 0000000000000001,
0000000004C84088, F00000002FF46A18, 0000000004C840A0,
F00000002FF46A18 ￭??)
￭04AFB668rfs4call+0000C8 (??, ??, ??, ??, ??, ??, ??, ??)
￭04B56D8Cnfs4_statfsvp+0002CC (??, ??, ??, ??)
￭005B9E50vfs_statfsvp+000030 (??, ??, ??, ??)
￭007A1BE8statfs64+0000E8 (??, ??)
￭00003850ovlya_addr_sc_flih_main+000130 ()
￭10001C28ckfree+000248 (??, ??, ??, ??, ??)
￭100013BCmain+00045C (??, ??)
￭10000168__start+000068 ()
this thread is touch a freed fs_location structure off the
fsid. The thread that freed the fs_location is in the middle
of free process. Its stack trace may looks like:
KDB(7)> f
pvthread+384B00 STACK:
￭00563A80slock+000460 (00000000000093E0,
8000000000001032 ￭??)
￭00009558.simple_lock+000058 ()
￭00122F78xmfree_backend+000658 (??, ??, ??, ??, ??, ??)
￭001240B4xmfree+000614 (??, ??)
￭04AC05F0kmem_free+000010 (??, ??, ??)
￭04AFE674free_f_loc+000134 (??)
￭04B5B79Cpopulate_fsid+00019C (??, ??, ??, ??, ??)
￭04B5AF00nfs4_pick_server+000460 (??, ??, ??, ??)
￭04B5B894populate_fsid+000294 (??, ??, ??, ??, ??)
￭04B5AF00nfs4_pick_server+000460 (??, ??, ??, ??)
￭04B549B8nfs4_move+0003D8 (??)
￭0027291Cthreadentry+00005C (??, ??, ??, ??)

Local fix

  • 



Problem summary


    

  • nfs v4 client machine crashed when doing state recovery
the stack trace looks like
KDB(7)> f
pvthread+2CB500 STACK:
 04ACD7B8 rfscall_progvers4+0000F8 (7777777777777777,
00000000000186A3, 0000000000000004, 0000000000000001,
0000000004C84088, F00000002FF46A18, 0000000004C840A0,
F00000002FF46A18  ?? )
 04AFB668 rfs4call+0000C8 (??, ??, ??, ??, ??, ??, ??, ??)
 04B56D8C nfs4_statfsvp+0002CC (??, ??, ??, ??)
 005B9E50 vfs_statfsvp+000030 (??, ??, ??, ??)
 007A1BE8 statfs64+0000E8 (??, ??)
 00003850 ovlya_addr_sc_flih_main+000130 ()
 10001C28 ckfree+000248 (??, ??, ??, ??, ??)
 100013BC main+00045C (??, ??)
 10000168 __start+000068 ()
this thread is touch a freed fs_location structure off the
fsid. The thread that freed the fs_location is in the middle
of free process. Its stack trace may looks like:
KDB(7)> f
pvthread+384B00 STACK:
 00563A80 slock+000460 (00000000000093E0,
8000000000001032  ?? )
 00009558 .simple_lock+000058 ()
 00122F78 xmfree_backend+000658 (??, ??, ??, ??, ??, ??)
 001240B4 xmfree+000614 (??, ??)
 04AC05F0 kmem_free+000010 (??, ??, ??)
 04AFE674 free_f_loc+000134 (??)
 04B5B79C populate_fsid+00019C (??, ??, ??, ??, ??)
 04B5AF00 nfs4_pick_server+000460 (??, ??, ??, ??)
 04B5B894 populate_fsid+000294 (??, ??, ??, ??, ??)
 04B5AF00 nfs4_pick_server+000460 (??, ??, ??, ??)
 04B549B8 nfs4_move+0003D8 (??)
 0027291C threadentry+00005C (??, ??, ??, ??)

    



Problem conclusion


    

  • move the nfs v4.1 session call with in the section where the
fsid is locked

    



Temporary fix


    

  • 



Comments


    

  • 6100-04 - use AIX APAR IZ84811
6100-05 - use AIX APAR IZ84809
6100-06 - use AIX APAR IZ85182
7100-00 - use AIX APAR IZ85579

    



APAR Information




    

  • APAR number
    IZ85182
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2010-09-16
    • 

  • Closed date
    2010-09-16
    • 

  • Last modified date
    2013-04-17
    • 





    

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

    
IZ84581
    

    • 

  • 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








      
              
                            

              

              [{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSAUMY","label":"IBM AIX Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11Q","label":"AIX 6.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            17 April 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
Page Feedback