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IV52596: JVM HANG WRITING SNAP DUMP FILE

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: JVMDUMP032I JVM requested Snap dump using
    'Snap.20131010.170615.16253130.0003.trc' in response to an event
    The snap dump does not complete and the JVM hangs.  There is no
    message indicating that the snap dump was written.
    .
    Stack Trace: global_lock_ppc_mp() at 0x900000000ef0cb8
    _mutex_lock(??, ??, ??) at 0x900000000ed3a1c
    monitor_wait_original() at 0x90000001cc4001c
    monitor_wait() at 0x90000001cc3fc5c
    twEventWait() at 0x90000001cd6cd04
    waitEvent() at 0x90000001dc93fb8
    utsTraceSnapWithPriority() at 0x90000001dc8f398
    doSnapDump() at 0x90000001cd1da18
    protectedDumpFunction() at 0x90000001cd22b54
    j9sig_protect() at 0x90000001cc56c9c
    runDumpFunction() at 0x90000001cd22aa4
    runDumpAgent() at 0x90000001cd226cc
    triggerDumpAgents() at 0x90000001cd44478
    abortHandler() at 0x90000001cd462dc
    .
    

Local fix

  • Disable snap dump generation by adding the JVM option
    -Xtrace:none
    

Problem summary

  • The problem is caused when the snap dump generation wrongly
    attempts to acquire an internal lock.
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR7
    6.0.1 SR8
    .
    The JVM has been updated to request the internal lock correctly.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV52596

  • Reported component name

    J9 COMMON CODE

  • Reported component ID

    620700127

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-11-27

  • Closed date

    2013-11-27

  • Last modified date

    2013-11-27

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

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

Fix information

  • Fixed component name

    J9 COMMON CODE

  • Fixed component ID

    620700127

Applicable component levels

  • R260 PSY

       UP

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Document Information

Modified date:
21 February 2022