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IV64243: CAA: SYSTEM CRASH IN AHA_THREAD_QUEUE APPLIES TO AIX 7100-02

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APAR status

  • Closed as program error.

Error description

  • System crash with following stack trace

CPU 5 CSA F00000002FF47600 at time of crash, error code for
LEDs: 70000000 pvthread+01A300 STACK:
Ý00009958¨.simple_unlock_mem+000040 ()
Ý004730FC¨aha_thread_queue+0000DC (??)
Ý00472FE0¨aha_queue+000020 () Ý003C2AD8¨procentry+000038 (??,
??, ??, ??) Ýkdb_read_mem¨ no real storage @ FFFFFFFFFFF61A0

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:
* Systems running the 7100-02 Technology Level with
* bos.mp64 at 7.1.2.18
****************************************************************
* PROBLEM DESCRIPTION:
* System crash with following stack trace
* CPU 5 CSA F00000002FF47600 at time of crash, error code for
* LEDs: 70000000 pvthread+01A300 STACK:
*  00009958 .simple_unlock_mem+000040 ()
*  004730FC aha_thread_queue+0000DC (??)
*  00472FE0 aha_queue+000020 ()  003C2AD8 procentry+000038 (??,
* ??, ??, ??)  kdb_read_mem  no real storage @ FFFFFFFFFFF61A0
****************************************************************
* RECOMMENDATION:
* Install APAR IV64243.
****************************************************************

    



Problem conclusion


    

  • The code is trying to unlock a simple_lock which has been
already unlocked. The fix is to correct the logic.

    



Temporary fix


    

  • 



Comments


    

  • 6100-08 - use AIX APAR IV64423
6100-09 - use AIX APAR IV63399
7100-02 - use AIX APAR IV64243
7100-03 - use AIX APAR IV63379

    



APAR Information




    

  • APAR number
    IV64243
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    YesPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-08-29
    • 

  • Closed date
    2014-08-29
    • 

  • Last modified date
    2016-05-11
    • 





    

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

    
IV63379
    

    • 

  • 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  U867194
       UP15/01/19  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:
            

            11 May 2016
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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