deadlock between getFontMetrics and getGraphicsConfiguration

Applications faeced to deadlock condition.
The environments are follows:

  OS: Solaris 2.6 SPARC
  JRE: JRE 1.3.1_04
  Netscape: Netscape Communicator 4.78 + Java Plug-in

The applications work fine on JRE 1.2.2.

Follows are part of Java Thread Dump when it occured.

Sample 1
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FOUND A JAVA LEVEL DEADLOCK:
----------------------------
"AWT-EventQueue-1":
  waiting to lock monitor 0xa2088 (object 0xe8d7d1a0, a java.lang.Class),
  which is locked by "main"
"main":
  waiting to lock monitor 0xa2440 (object 0xe534f9e8, a java.awt.Component$AWTTreeLock),
  which is locked by "AWT-EventQueue-1"

JAVA STACK INFORMATION FOR THREADS LISTED ABOVE:
------------------------------------------------
Java Stack for "AWT-EventQueue-1":
==========
        at sun.awt.font.NativeFontWrapper.getFontMetrics(Native Method)
        at sun.awt.font.FontDesignMetrics.initMatrixAndMetrics(FontDesignMetrics.java:155)
        at sun.awt.font.FontDesignMetrics.<init>(FontDesignMetrics.java:140)
        at sun.java2d.SunGraphics2D.makeFontMetrics(SunGraphics2D.java:599)
        at sun.java2d.SunGraphics2D.getFontMetrics(SunGraphics2D.java:612)
        at java.awt.Graphics.getFontMetrics(Graphics.java:238)
        at javax.swing.plaf.basic.BasicLabelUI.paint(BasicLabelUI.java:132)
        at javax.swing.plaf.ComponentUI.update(ComponentUI.java:34)
        at javax.swing.JComponent.paintComponent(JComponent.java:390)
        at javax.swing.JComponent.paint(JComponent.java:682)
        at javax.swing.JComponent.paintChildren(JComponent.java:493)
        at javax.swing.JComponent.paint(JComponent.java:691)
        at javax.swing.JComponent.paintChildren(JComponent.java:493)
        at javax.swing.JComponent.paint(JComponent.java:691)
        at javax.swing.JComponent.paintChildren(JComponent.java:493)
        at javax.swing.JComponent.paint(JComponent.java:691)
        at javax.swing.JLayeredPane.paint(JLayeredPane.java:541)
        at javax.swing.JComponent.paintChildren(JComponent.java:493)
        at javax.swing.JComponent.paint(JComponent.java:664)
        at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:18)
        at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:49)
        at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:86)
        at java.awt.Container.paint(Container.java:955)
        at sun.awt.RepaintArea.paint(RepaintArea.java:293)
        at sun.awt.motif.MComponentPeer.handleEvent(MComponentPeer.java:344)
        at java.awt.Component.dispatchEventImpl(Component.java:2658)
        at java.awt.Container.dispatchEventImpl(Container.java:1208)
        at java.awt.Component.dispatchEvent(Component.java:2492)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:334)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:126)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:88)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:80)
Java Stack for "main":
==========
        at java.awt.Window.getGraphicsConfiguration(Window.java:1161)
        at sun.awt.motif.MComponentPeer.pInitialize(Native Method)
        at sun.awt.motif.MComponentPeer.initialize(MComponentPeer.java:107)
        at sun.awt.motif.MComponentPeer.init(MComponentPeer.java:170)
        at sun.awt.motif.MWindowPeer.init(MWindowPeer.java:81)
        at sun.awt.motif.MFramePeer.<init>(MFramePeer.java:48)
        at sun.awt.motif.MEmbeddedFramePeer.<init>(MEmbeddedFramePeer.java:26)
        at sun.awt.motif.MToolkit.createEmbeddedFrame(MToolkit.java:200)
        at sun.awt.motif.MEmbeddedFrame.<init>(MEmbeddedFrame.java:29)
        at sun.plugin.navig.motif.MPluginEmbeddedFrame.<init>(MPluginEmbeddedFrame.java:33)
        at java.lang.reflect.Constructor.newInstance(Native Method)
        at sun.plugin.navig.motif.MotifAppletViewer.createFrame(MotifAppletViewer.java:275)
        at sun.plugin.navig.motif.MotifAppletViewer.setWindow(MotifAppletViewer.java:380)
        at sun.plugin.navig.motif.Plugin.doit(Plugin.java:276)
        at sun.plugin.navig.motif.Plugin.start(Plugin.java:90)

Found 1 deadlock.
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Sample 2
--------------------------------------------------------------------------------------------------------
FOUND A JAVA LEVEL DEADLOCK:
----------------------------
"AWT-EventQueue-0":
  waiting to lock monitor 0xa2168 (object 0xe8d7d1a0, a java.lang.Class),
  which is locked by "main"
"main":
  waiting to lock monitor 0xa2520 (object 0xe534f9e8, a java.awt.Component$AWTTreeLock),
  which is locked by "AWT-EventQueue-0"

JAVA STACK INFORMATION FOR THREADS LISTED ABOVE:
------------------------------------------------
Java Stack for "AWT-EventQueue-0":
==========
        at sun.awt.font.NativeFontWrapper.getFontMetrics(Native Method)
        - waiting to lock <e8d7d1a0> (a java.lang.Class)
        at sun.awt.font.FontDesignMetrics.initMatrixAndMetrics(FontDesignMetrics.java:155)
        at sun.awt.font.FontDesignMetrics.<init>(FontDesignMetrics.java:140)
        at sun.java2d.SunGraphics2D.makeFontMetrics(SunGraphics2D.java:599)
        at sun.java2d.SunGraphics2D.getFontMetrics(SunGraphics2D.java:612)
        at java.awt.Graphics.getFontMetrics(Graphics.java:238)
        at javax.swing.plaf.basic.BasicButtonUI.paint(BasicButtonUI.java:214)
        at javax.swing.plaf.ComponentUI.update(ComponentUI.java:34)
        at javax.swing.JComponent.paintComponent(JComponent.java:390)
        at javax.swing.JComponent.paint(JComponent.java:682)
        at javax.swing.JComponent.paintChildren(JComponent.java:493)
        at javax.swing.JComponent.paint(JComponent.java:691)
        at javax.swing.JComponent.paintChildren(JComponent.java:493)
        at javax.swing.JComponent.paint(JComponent.java:691)
        at javax.swing.JComponent.paintChildren(JComponent.java:493)
        at javax.swing.JComponent.paint(JComponent.java:691)
        at javax.swing.JLayeredPane.paint(JLayeredPane.java:541)
        at javax.swing.JComponent.paintChildren(JComponent.java:493)
        at javax.swing.JComponent.paint(JComponent.java:664)
        at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:18)
        at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:49)
        at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:86)
        at java.awt.Container.paint(Container.java:955)
        at sun.awt.RepaintArea.paint(RepaintArea.java:293)
        at sun.awt.motif.MComponentPeer.handleEvent(MComponentPeer.java:344)
        at java.awt.Component.dispatchEventImpl(Component.java:2658)
        at java.awt.Container.dispatchEventImpl(Container.java:1208)
        at java.awt.Window.dispatchEventImpl(Window.java:923)
        at java.awt.Component.dispatchEvent(Component.java:2492)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:334)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:126)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:88)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:80)
Java Stack for "main":
==========
        at java.awt.Window.getGraphicsConfiguration(Window.java:1161)
        at sun.awt.motif.MComponentPeer.pInitialize(Native Method)
        at sun.awt.motif.MComponentPeer.initialize(MComponentPeer.java:107)
        at sun.awt.motif.MComponentPeer.init(MComponentPeer.java:170)
        at sun.awt.motif.MWindowPeer.init(MWindowPeer.java:81)
        at sun.awt.motif.MFramePeer.<init>(MFramePeer.java:48)
        at sun.awt.motif.MEmbeddedFramePeer.<init>(MEmbeddedFramePeer.java:26)
        at sun.awt.motif.MToolkit.createEmbeddedFrame(MToolkit.java:200)
        at sun.awt.motif.MEmbeddedFrame.<init>(MEmbeddedFrame.java:29)
        at sun.plugin.navig.motif.MPluginEmbeddedFrame.<init>(MPluginEmbeddedFrame.java:33)
        at java.lang.reflect.Constructor.newInstance(Native Method)
        at sun.plugin.navig.motif.MotifAppletViewer.createFrame(MotifAppletViewer.java:275)
        at sun.plugin.navig.motif.MotifAppletViewer.setWindow(MotifAppletViewer.java:380)
        at sun.plugin.navig.motif.Plugin.doit(Plugin.java:276)
        at sun.plugin.navig.motif.Plugin.start(Plugin.java:90)

Found 1 deadlock.
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