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IZ84124: SYSTEM HANG ON WLM_CLASSES_LOCK APPLIES TO AIX 6100-02

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APAR status

  • Closed as program error.

Error description

  • wlmcntrl hangs with the following stack trace:
pvthread+0D2D00 STACK:

￭0058242Ccomplex_lock_sleep_ppc+0001AC
￭00584320lock_write_ppc+0001A0 (??)
￭0009B00Cwlm_reclassify@AF179_118+00002C ()
￭0073545C_wlm_load+00005C (??, ??, ??, ??)
￭0000386Covlya_addr_sc_flih_main+00014C ()
￭D0EA2F34load_classes+000214 (??, ??, ??)
￭D0E9F344allocate_and_run+0000E4 (??, ??)
￭1000064Cmain+0002CC (??, ??)
￭10000168__start+000068 ()

Local fix

  • 



Problem summary


    

  • wlmcntrl hangs with the following stack trace:
pvthread+0D2D00 STACK:

 0058242C complex_lock_sleep_ppc+0001AC
 00584320 lock_write_ppc+0001A0 (??)
 0009B00C wlm_reclassify@AF179_118+00002C ()
 0073545C _wlm_load+00005C (??, ??, ??, ??)
 0000386C ovlya_addr_sc_flih_main+00014C ()
 D0EA2F34 load_classes+000214 (??, ??, ??)
 D0E9F344 allocate_and_run+0000E4 (??, ??)
 1000064C main+0002CC (??, ??)
 10000168 __start+000068 ()

    



Problem conclusion


    

  • remove the lock_mine service from wlm_bnewdev and ASSERT
that the wlm_classes_lock is on entry.

    



Temporary fix


    

  • 



Comments


    

  • 6100-02 - use AIX APAR IZ84124
6100-03 - use AIX APAR IZ83891
6100-04 - use AIX APAR IZ83939
6100-05 - use AIX APAR IZ83877
6100-06 - use AIX APAR IZ83132
7100-00 - use AIX APAR IZ82966

    



APAR Information




    

  • APAR number
    IZ84124
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2010-08-31
    • 

  • Closed date
    2010-08-31
    • 

  • Last modified date
    2013-03-27
    • 





    

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

    
IZ82966
    

    • 

  • 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  U837026
       UP10/10/18  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:
            

            27 March 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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