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IV09088: GETSTACKTRACE METHOD FAILING WITH SIGNAL SIGSEGV IN MULTITHREADE D ENVIRONMENT

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: Java process terminated with signal SEGV/GPF
    while in getStackTrace
    .
    Stack Trace: Offset  Function
    ------  --------
    0000077a  walkStackFrames
    0000007e  getStackTraceForThread
    00c7f204  RUNJAVATHREAD
    000000e0  javaProtectedThreadProc
    0000071a  j9sig_protect
    00000072  javaThreadProc
    0000051c  thread_wrapper
    00000f50  CELQPCMM
    .
    

Local fix

Problem summary

  • The problem is due to a race condition when a thread is halted
    for inspection while it is halting another thread for
    inspection.  This may cause the thread to continue running while
    the other thread attempts to walk its stack
    

Problem conclusion

  • This defect will be fixed in:
    6.0.0 SR10
    6.0.1 SR1
    .
    The JVM has been updated to prevent the race condition.
    .
    To obtain the fix:
    Install build 20111019 or later
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV09088

  • Reported component name

    J9 COMMON CODE

  • Reported component ID

    620700127

  • Reported release

    600

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-10-17

  • Closed date

    2011-10-19

  • Last modified date

    2012-08-16

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

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

    PM55567 IV26361 IV26364

Fix information

  • Fixed component name

    J9 COMMON CODE

  • Fixed component ID

    620700127

Applicable component levels

  • R600 PSY

       UP

  • R260 PSY

       UP

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Document Information

Modified date:
16 August 2012