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IV63486: CAA: SYSTEM CRASH IN AHA_THREAD_QUEUE APPLIES TO AIX 7100-04

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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


    

  • 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

    



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


    

  • 



APAR Information




    

  • APAR number
    IV63486
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-08-12
    • 

  • Closed date
    2014-08-12
    • 

  • 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  U863867
       UP15/11/22  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            11 May 2016
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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