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IV89479: COREDUMP OF PROCESSES WITH EBB CONTEXT AFTER PARTITION MIGRATION

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • 1)Coredump of any process with EBB context after LPM
migration.

2)Above Java 1.8, Java threads with EBB context will
abort after LPM.
Top stack of these java cores will be like

genSystemCoreUsingGencore() at 0x900000006c7dff8
j9dump_create() at 0x900000006c7d590
doSystemDump() at 0x900000006cd1ef0
protectedDumpFunction() at 0x900000006cd8934
j9sig_protect() at 0x900000006c47c7c
runDumpAgent() at 0x900000006cd8628
triggerDumpAgents() at 0x900000006d09bf4
generateDiagnosticFiles() at 0x900000006bc6ab4
j9sig_protect() at 0x900000006c47c7c
structuredSignalHandler() at 0x900000006bc623c
masterSynchSignalHandler() at 0x900000006c49a90
.() at 0x8624

Local fix

  • N/A

Problem summary

  • 1)Coredump of any process with EBB context after LPM
migration.

2)Above Java 1.8, Java threads with EBB context will
abort after LPM.
Top stack of these java cores will be like

genSystemCoreUsingGencore() at 0x900000006c7dff8
j9dump_create() at 0x900000006c7d590
doSystemDump() at 0x900000006cd1ef0
protectedDumpFunction() at 0x900000006cd8934
j9sig_protect() at 0x900000006c47c7c
runDumpAgent() at 0x900000006cd8628
triggerDumpAgents() at 0x900000006d09bf4
generateDiagnosticFiles() at 0x900000006bc6ab4
j9sig_protect() at 0x900000006c47c7c
structuredSignalHandler() at 0x900000006bc623c
masterSynchSignalHandler() at 0x900000006c49a90
.() at 0x8624

Problem conclusion

  • Handled the post migration scenario for EBB context management.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV89479
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2016-09-27
    • 

  • Closed date
    2016-09-27
    • 

  • Last modified date
    2017-10-13
    • 





    

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

    
IV88956
    

    • 

  • 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  U873180
       UP17/10/13  I  1000
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SG11R"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            20 April 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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