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IV66067: SYSTEM HANG WITH SOME OF THE THREADS IN V_TESTSTACK() APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • System can hang with one of the threads is in
following stack trace:

pvthread+180C00 STACK:
[0000AF28].fetch_and_nop+000008 ()
[0025C320]mpc_send_sync+000160 (??, ??, ??)
[00387800]v_teststack+0001A0 (??)
[0037B538]v_pfend_wseg_pta+0007F8 (??, ??, ??, ??)
[0038010C]v_pfend_com+00048C (??)
[00380798]v_pfend+000038 (??)
[003805E4]vm_pfend+000044 (??)
[002614A4]percpu_iodone_offl+0000E4 (??)
[00260AD0]iodone_offl+0000D0 ()
[0025DC1C]i_softmod+00043C ()
[001FF64C]flih_util+000258 ()

Local fix

  • N/A

Problem summary

  • CPU may hang which can potentially hang the partition.

Problem conclusion

  • Code fix to close a timing window when coming out of sleep mode

Temporary fix

  • 



Comments


    

  • 7100-03 - use AIX APAR IV66067

    



APAR Information




    

  • APAR number
    IV66067
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-10-17
    • 

  • Closed date
    2014-10-17
    • 

  • Last modified date
    2015-12-31
    • 





    

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

    
IV62660
    

    • 

  • 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  U865837
       UP15/05/19  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:
            

            31 December 2015
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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