Name: mc57594 Date: 03/11/97

(Code is attached)

1. Add a component to a container, remove it, add it again, and finally remove it again.


3.
SIGSEGV 11* segmentation violation
    si_signo [11]: SIGSEGV 11* segmentation violation
    si_errno [0]: Error 0
    si_code [1]: SEGV_ACCERR [addr: 0x0]

        stackbase=EF172000, stackpointer=EF1717D8

Full thread dump:
    "AWT-Finalizer" (TID:0xee3036d0, sys_thread_t:0xef0b1de0, state:CW) prio=9
        java.lang.Object.wait(Object.java)
        sun.awt.AWTFinalizer.run(AWTFinalizer.java:48)
    "Screen Updater" (TID:0xee308628, sys_thread_t:0xef0e1de0, state:CW) prio=4
        java.lang.Object.wait(Object.java)
        sun.awt.ScreenUpdater.nextEntry(ScreenUpdater.java:78)
        sun.awt.ScreenUpdater.run(ScreenUpdater.java:98)
    "AWT-Motif" (TID:0xee305200, sys_thread_t:0xef111de0, state:CW) prio=5
        java.lang.Thread.run(Thread.java)
    "AWT-Input" (TID:0xee3051e0, sys_thread_t:0xef141de0, state:CW) prio=5
    "AWT-EventQueue-0" (TID:0xee3051c8, sys_thread_t:0xef171de0, state:R) prio=5 *current thread*
        java.awt.Component.removeNotify(Component.java)
        java.awt.TextComponent.removeNotify(TextComponent.java)
        java.awt.Container.removeNotify(Container.java)
        java.awt.Container.removeNotify(Container.java)
        java.awt.Container.removeNotify(Container.java)
        java.awt.Container.remove(Container.java)
        java.awt.Container.remove(Container.java)
        cdt.wd.wb.gui.Palette.actionPerformed(Palette.java:145)
        java.awt.Button.processActionEvent(Button.java)
        java.awt.Button.processEvent(Button.java)
        java.awt.Component.dispatchEventImpl(Component.java)
        java.awt.EventDispatchThread.run(EventDispatchThread.java)
    "Finalizer thread" (TID:0xee300220, sys_thread_t:0xef2c1de0, state:CW) prio=1
    "Async Garbage Collector" (TID:0xee3001d8, sys_thread_t:0xef2f1de0, state:CW) prio=1
    "Idle thread" (TID:0xee300190, sys_thread_t:0xef3c1de0, state:R) prio=0
    "Clock" (TID:0xee3000d0, sys_thread_t:0xef3f1de0, state:CW) prio=12
    "main" (TID:0xee3000a8, sys_thread_t:0x6e6b0, state:CW) prio=5
Monitor Cache Dump:
         unknown key (key=0xef2f1de0): unowned
        Waiting to be notified:
            "Async Garbage Collector"
         java.lang.Object@EE303848/EE34C9F0 (key=0xee303848): monitor owner ef171de0: "AWT-EventQueue-0"
         sun.awt.AWTFinalizer@EE3036D0/EE35A198 (key=0xee3036d0): unowned
        Waiting to be notified:
            "AWT-Finalizer"
         sun.awt.motif.MToolkit@EE305168/EE350D78 (key=0xee305168): monitor owner ef171de0: "AWT-EventQueue-0"
        Waiting to be notified:
            "AWT-Motif"
         sun.awt.ScreenUpdater@EE308628/EE35ADA8 (key=0xee308628): unowned
        Waiting to be notified:
            "Screen Updater"
Registered Monitor Dump:
    Thread queue lock: unowned
        Waiting to be notified:
            "main"
    Name and type hash table lock: unowned
    String intern lock: unowned
    JNI global reference lock: unowned
    BinClass lock: unowned
    Class loading lock: unowned
    Java stack lock: unowned
    Code rewrite lock: unowned
    Heap lock: unowned
    Has finalization queue lock: unowned
    Finalize me queue lock: unowned
        Waiting to be notified:
            "Finalizer thread"
    Monitor IO lock: unowned
    Child death monitor: unowned
    Event monitor: unowned
    I/O monitor: monitor owner ef141de0: "AWT-Input"
    Alarm monitor: unowned
        Waiting to be notified:
            "Clock"
    Sbrk lock: unowned
    Monitor cache expansion lock: unowned
    Monitor registry: monitor owner ef171de0: "AWT-EventQueue-0"
Thread Alarm Q:
    sys_thread_t 0xef111de0 [Timeout in 32 ms]
    sys_thread_t 0xef2f1de0 [Timeout in 779 ms]
Abort
Exit 134



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