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IV89479: COREDUMP OF PROCESSES WITH EBB CONTEXT AFTER PARTITION MIGRATION

A fix is available

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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

  • 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

PTF to Fileset Mapping

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Document Information

Modified date:
13 October 2017