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IV08153: HANG IN _EVENT_NOTIFY(). APPLIES TO AIX 6100-06

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APAR status

  • Closed as program error.

Error description

  • Process hang with the following stack.

(ip)=090000000018BA24  at  libpthreads.a(shr_xpg5_64.o)
._event_notify_locked_32_23 + 0050
    unframing old_sp=0000000120D86258
(new_sp=0000000120D862F8
new_ip=090000000018B11C)
(ip)=090000000018B11C  at  libpthreads.a(shr_xpg5_64.o)
._event_notify
+ 005C
    unframing old_sp=0000000120D862F8
(new_sp=0000000120D86388
new_ip=0900000000197B58)
(ip)=0900000000197B58  at  libpthreads.a(shr_xpg5_64.o)
._cond_broadcast + 00F4
    unframing old_sp=0000000120D86388
(new_sp=0000000120D86428
new_ip=0900000000198254)
(ip)=0900000000198254  at  libpthreads.a(shr_xpg5_64.o)
.pthread_cond_signal + 0134
    unframing old_sp=0000000120D86428
(new_sp=0000000120D864B8
new_ip=090000000340DF74)
(ip)=090000000340DF74  at  libhpi.a  .sysMonitorNotify +
003C
    unframing old_sp=0000000120D864B8
(new_sp=0000000120D86538
new_ip=0900000003288720)
(ip)=0900000003288720  at  libjvm.a  .lkMonitorNotify +
02BC
    unframing old_sp=0000000120D86538
(new_sp=0000000120D865F8
new_ip=0900000003203E8C)
(ip)=0900000003203E8C  at  libjvm.a  .JVM_MonitorNotify +
0098
    unframing old_sp=0000000120D865F8
(new_sp=0000000120D86688
new_ip=09000000031A3F58)
(ip)=09000000031A3F58  at  libjvm.a  .JVM_MonitorNotify +
0020
    unframing old_sp=0000000120D86688
(new_sp=0000000120D866F8
new_ip=000000011F1F0C64)

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:
* Users of the 6100-06 Technology Level with the
* bos.rte.libpthreads fileset at the 6.1.6.15 or 6.1.6.16 level.
****************************************************************
* PROBLEM DESCRIPTION:
* Multi-threaded Applications might hang in _event_notify().
****************************************************************
* RECOMMENDATION:
* Install APAR IV08153.
****************************************************************

    



Problem conclusion


    

  • Appropriate lock has been taken to avoid the hang situation.

    



Temporary fix


    

  • *********
* HIPER *
*********

    



Comments


    

  • 



APAR Information




    

  • APAR number
    IV08153
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    YesPE
    • 

  • HIPER
    YesHIPER
    • 

  • Submitted date
    2011-09-23
    • 

  • Closed date
    2011-12-09
    • 

  • Last modified date
    2013-03-12
    • 





    

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

    
IV07839
    

    • 

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

    
U850931
    

    • 



Fix information


    

  • Fixed component name
    AIX 610 STD EDI
    • 

  • Fixed component ID
    5765G6200
    • 



Applicable component levels


    

  • R610  PSY  U850931
       UP12/03/15  I  1000
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            12 March 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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