Pressing the Cut/Copy/Paste keys on a Sun keyboard causes a VM crash.
This started happening in Merlin-beta build 15 (they work fine in build 14).
The putbacks for this build can be seen at:

http://javaweb.eng/cgi-bin/jdk-histories.cgi?bfile=/java/jdk/1.4/ws/MASTER/j2se&stime=0.05.18.00&etime=0.05.24.00

A full stack trace is below. Below the stack trace is the application I ran.

java full version "1.4.0beta-b15"
params= KEY_PRESSED,keyCode=65485,Copy
KeyChar: ? = 65535 Action Key
keyText= Copy

SIGSEGV 11* segmentation violation
    si_signo [11]: SIGSEGV 11* segmentation violation
    si_errno [0]: Error 0
    si_code [1]: SEGV_MAPERR [addr: 0xC]

        stackpointer=fa761958

Full thread dump Classic VM (1.4.0beta-b15, green threads):
    "Screen Updater" (TID:0xfbcbbf28, sys_thread_t:0x485fb8, state:CW) prio=4
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:420)
        at sun.awt.ScreenUpdater.nextEntry(ScreenUpdater.java:76)
        at sun.awt.ScreenUpdater.run(ScreenUpdater.java:96)
    "AWT-EventQueue-0" (TID:0xfbcbc0e0, sys_thread_t:0x479830, state:CW) prio=6
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:420)
        at java.awt.EventQueue.getNextEvent(EventQueue.java:275)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:125)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:117)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:96)
    "AWT-Shutdown" (TID:0xfbcc5da0, sys_thread_t:0x40fe10, state:CW) prio=5
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:420)
        at sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:262)
        at java.lang.Thread.run(Thread.java:488)
    "AWT-Motif" (TID:0xfbcb9270, sys_thread_t:0x218a40, state:R) prio=5
        at sun.awt.motif.MToolkit.run(Native Method)
        at java.lang.Thread.run(Thread.java:488)
    "Finalizer" (TID:0xfbc98528, sys_thread_t:0x6afc0, state:CW) prio=8
        at java.lang.Object.wait(Native Method)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:108)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:123)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:162)
    "Reference Handler" (TID:0xfbc98300, sys_thread_t:0x66cd0, state:CW) prio=10
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:420)
        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:110)
    "Signal dispatcher" (TID:0xfbc98330, sys_thread_t:0x62608, state:CW) prio=5
    "Thread-0" (TID:0xfbcbb778, sys_thread_t:0x25cd0, state:CW) prio=5
Monitor Cache Dump:
    java.awt.EventQueue@FBCB90D8/FBDB4170: <unowned>
        Waiting to be notified:
            "AWT-EventQueue-0" (0x479830)
    java.lang.Object@FBCA83A8/FBD16B58: <unowned>
        Waiting to be notified:
            "AWT-Shutdown" (0x40fe10)
    java.lang.ref.ReferenceQueue$Lock@FBC98540/FBCCE3E0: <unowned>
        Waiting to be notified:
            "Finalizer" (0x6afc0)
    sun.awt.ScreenUpdater@FBCBBF28/FBDEC3C8: <unowned>
        Waiting to be notified:
            "Screen Updater" (0x485fb8)
    java.lang.ref.Reference$Lock@FBC98310/FBCCDF10: <unowned>
        Waiting to be notified:
            "Reference Handler" (0x66cd0)
    java.lang.Class@FBCA8890/FBD18458: owner "AWT-Motif" (0x218a40) 1 entry
Registered Monitor Dump:
    utf8 hash table: <unowned>
    JNI pinning lock: <unowned>
    JNI global reference lock: <unowned>
    BinClass lock: <unowned>
    Class linking lock: <unowned>
    System class loader lock: <unowned>
    Code rewrite lock: <unowned>
    Heap lock: <unowned>
    Monitor cache lock: owner "AWT-Motif" (0x218a40) 1 entry
    Dynamic loading lock: <unowned>
    Monitor IO lock: <unowned>
    User signal monitor: <unowned>
        Waiting to be notified:
            "Signal dispatcher" (0x62608)
    Child death monitor: <unowned>
    I/O monitor: <unowned>
    Alarm monitor: <unowned>
        Waiting to be notified:
            <unknown thread> (0x26ba0)
    Thread queue lock: owner "AWT-Motif" (0x218a40) 1 entry
        Waiting to be notified:
            "Thread-0" (0x25cd0)
    Monitor registry: owner "AWT-Motif" (0x218a40) 1 entry

SIGABRT 6* abort (generated by abort(3) routine)
    si_signo [6]: SIGABRT 6* abort (generated by abort(3) routine)
    si_errno [0]: Error 0
    si_code [0]: SI_USER [pid: 28906, uid: 38734]
        stackpointer=fa761958

Full thread dump Classic VM (1.4.0beta-b15, green threads):
    "Screen Updater" (TID:0xfbcbbf28, sys_thread_t:0x485fb8, state:CW) prio=4
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:420)
        at sun.awt.ScreenUpdater.nextEntry(ScreenUpdater.java:76)
        at sun.awt.ScreenUpdater.run(ScreenUpdater.java:96)
    "AWT-EventQueue-0" (TID:0xfbcbc0e0, sys_thread_t:0x479830, state:CW) prio=6
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:420)
        at java.awt.EventQueue.getNextEvent(EventQueue.java:275)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:125)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:117)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:96)
    "AWT-Shutdown" (TID:0xfbcc5da0, sys_thread_t:0x40fe10, state:CW) prio=5
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:420)
        at sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:262)
        at java.lang.Thread.run(Thread.java:488)
    "AWT-Motif" (TID:0xfbcb9270, sys_thread_t:0x218a40, state:R) prio=5
        at sun.awt.motif.MToolkit.run(Native Method)
        at java.lang.Thread.run(Thread.java:488)
    "Finalizer" (TID:0xfbc98528, sys_thread_t:0x6afc0, state:CW) prio=8
        at java.lang.Object.wait(Native Method)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:108)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:123)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:162)
    "Reference Handler" (TID:0xfbc98300, sys_thread_t:0x66cd0, state:CW) prio=10
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:420)
        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:110)
    "Signal dispatcher" (TID:0xfbc98330, sys_thread_t:0x62608, state:CW) prio=5
    "Thread-0" (TID:0xfbcbb778, sys_thread_t:0x25cd0, state:CW) prio=5
Monitor Cache Dump:
    java.awt.EventQueue@FBCB90D8/FBDB4170: <unowned>
        Waiting to be notified:
            "AWT-EventQueue-0" (0x479830)
    java.lang.Object@FBCA83A8/FBD16B58: <unowned>
        Waiting to be notified:
            "AWT-Shutdown" (0x40fe10)
    java.lang.ref.ReferenceQueue$Lock@FBC98540/FBCCE3E0: <unowned>
        Waiting to be notified:
            "Finalizer" (0x6afc0)
    sun.awt.ScreenUpdater@FBCBBF28/FBDEC3C8: <unowned>
        Waiting to be notified:
            "Screen Updater" (0x485fb8)
    java.lang.ref.Reference$Lock@FBC98310/FBCCDF10: <unowned>
        Waiting to be notified:
            "Reference Handler" (0x66cd0)
    java.lang.Class@FBCA8890/FBD18458: owner "AWT-Motif" (0x218a40) 1 entry
Registered Monitor Dump:
    utf8 hash table: <unowned>
    JNI pinning lock: <unowned>
    JNI global reference lock: <unowned>
    BinClass lock: <unowned>
    Class linking lock: <unowned>
    System class loader lock: <unowned>
    Code rewrite lock: <unowned>
    Heap lock: <unowned>
    Monitor cache lock: owner "AWT-Motif" (0x218a40) 1 entry
    Dynamic loading lock: <unowned>
    Monitor IO lock: <unowned>
    User signal monitor: <unowned>
        Waiting to be notified:
            "Signal dispatcher" (0x62608)
    Child death monitor: <unowned>
    I/O monitor: <unowned>
    Alarm monitor: <unowned>
        Waiting to be notified:
            <unknown thread> (0x26ba0)
    Thread queue lock: owner "AWT-Motif" (0x218a40) 1 entry
        Waiting to be notified:
            "Thread-0" (0x25cd0)
    Monitor registry: owner "AWT-Motif" (0x218a40) 1 entry

Abort
echawkes@gradgrind:/home/echawkes/tests/4115484( 211 )%


import java.applet.*;
import java.awt.*;
import java.awt.event.*;

public class MyKeyTest extends Applet implements KeyListener, ActionListener
{
    public static void main(String[] args)
    {
        Frame frame = new Frame("MyKeyTest");
        Panel p = new Panel();
        MyKeyTest applet = new MyKeyTest();
        applet.init();

        p.add("Center", applet);
        frame.add(p);

        //Color bkgColor = new Color(0x548dc6); // 0xRRGGBB color;
        //frame.setBackground(bkgColor);
        frame.setBackground(Color.orange);

        frame.pack();
        frame.setSize(450, 200);

        frame.show();
        applet.start();
    }


    public void init()
    {
        TextField tf = new TextField("User Outpuy\bt Window\n", 30);
        Label l = new Label("Enter Characters");

        // If we use Helvetica, the bottoms of g, q, p, j get cut off
        //Font f = new Font("Helvetica", Font.PLAIN, 14);
        Font f = new Font("Courier", Font.PLAIN, 14);
        tf.setFont(f);

        tf.addKeyListener(this);
        tf.addActionListener(this);

        add(l, FlowLayout.LEFT);
        add(tf, FlowLayout.CENTER);
    }

    public void start()
    {
    }

    public void keyPressed(KeyEvent evt)
    {
        printKey(evt);
    }

    public void keyTyped(KeyEvent evt)
    {
        printKey(evt);
    }

    public void keyReleased(KeyEvent evt)
    {
        printKey(evt);
        System.out.print("\n");
    }

    public void actionPerformed(ActionEvent evt)
    {
        System.out.print("\n");
        System.out.print("Action Event\n");
        System.out.println(evt.toString());
        System.out.print("\n");
    }

    protected void printKey(KeyEvent evt)
    {
        switch(evt.getID())
        {
          case KeyEvent.KEY_TYPED:
            break;
          case KeyEvent.KEY_PRESSED:
            break;
          case KeyEvent.KEY_RELEASED:
            break;
          default:
            System.out.println("Other Event ");
            return;
        }

        System.out.print("params= " + evt.paramString() + " \n" +
          "KeyChar: " + evt.getKeyChar() + " = " + (int) evt.getKeyChar());
        if (evt.isActionKey())
            System.out.print(" Action Key");
        System.out.print("\n");

        System.out.println("keyText= " + evt.getKeyText(evt.getKeyCode())
          + "\n");
    }
}