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IV51605: CRASH IN HD_TERMINATE DUE TO NFS thread issue APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • AIX NFS server may crash in the following stack due to
JFS2 log I/O not serialized by NFS thread issue.

(60)> f
pvthread+008100 STACK:
[05B02710]hd_terminate+0000D0 (0000000000000000,
0000000000000000 [??])
[05AFB660]hd_finished+0000E0 (??)
[05AF4CE8]hd_end+000168 (??)
[00197E50]internal_iodone_offl+000170 (??, ??)
[00197C98]iodone_offl+000078 ()
[0019B518]i_softmod+000418 ()
[001ECBCC]flih_util+000258 ()
____ Exception (F00000002FF47600) ____

You can confirm by checking on the device type. If it is
a JFS2 log device, then this APAR applies.

(60)> buf @r31
                                  DEV    BLKNO FLAGS

  0 F1000A03208DA4E0 8000002C00000008 0000CBA0 NOHIDE
MPSAFE INITIAL BUFXINI

(60)> hcal 2C
Value hexa: 0000002C          Value decimal: 44

(60)> lvol -M 44 -m 8 | grep lv_name
lv_name............ jfs2log00

jfs2log00           jfs2log    1       1       1
open/syncd    N/A

Local fix

  • 



Problem summary


    

  • CRASH IN HD_TERMINATE DUE TO NFS thread issue

    



Problem conclusion


    

  • Algorith of how the thread is woken up by dispatch routine and
the timer routine is modified to make it work.

    



Temporary fix


    

  • 



Comments


    

  • 6100-09 - use AIX APAR IV51910
6100-09 - use AIX APAR IV51910
6100-09 - use AIX APAR IV51910
7100-03 - use AIX APAR IV51605

    



APAR Information




    

  • APAR number
    IV51605
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2013-11-04
    • 

  • Closed date
    2013-11-04
    • 

  • Last modified date
    2014-05-22
    • 





    

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

    
IV47209
    

    • 

  • 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  U858991
       UP14/05/22  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":"710","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":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11R","label":"AIX 7.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            22 May 2014
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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