Tests
nsk/regression/b4224902
nsk/regression/b4224903

hang on ubuntu 8.04.

Stack trace of guilty thread

"Thread-3" prio=10 tid=0xad593c00 nid=0x2f48 runnable [0xad0c0000..0xad0c10c0]
   java.lang.Thread.State: RUNNABLE
        at sun.java2d.loops.MaskFill.MaskFill(Native Method)
        at sun.java2d.pipe.AlphaColorPipe.renderPathTile(AlphaColorPipe.java:55)
        at sun.java2d.pipe.AAShapePipe.renderPath(AAShapePipe.java:135)
        at sun.java2d.pipe.AAShapePipe.fill(AAShapePipe.java:65)
        at sun.java2d.pipe.ValidatePipe.fill(ValidatePipe.java:160)
        at sun.java2d.SunGraphics2D.fill(SunGraphics2D.java:2422)
        at nsk.regression.b4224903.Movie.paintFrame(b4224903_disp.java:563)
        at nsk.regression.b4224903.Movie.paintFrame(b4224903_disp.java:556)
        at nsk.regression.b4224903.FramePanel.paintComponent(b4224903_disp.java:398)
        at javax.swing.JComponent.paint(JComponent.java:1038)
        at javax.swing.JComponent.paintToOffscreen(JComponent.java:5147)
        at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:302)
        at javax.swing.RepaintManager.paint(RepaintManager.java:1145)
        at javax.swing.JComponent._paintImmediately(JComponent.java:5095)
        at javax.swing.JComponent.paintImmediately(JComponent.java:4905)
        at javax.swing.JComponent.paintImmediately(JComponent.java:4917)
        at nsk.regression.b4224903.b4224903$PlayThread.playMovie(b4224903.java:194)
        at nsk.regression.b4224903.b4224903$PlayThread.run(b4224903.java:179)
        at java.lang.Thread.run(Thread.java:636)

To reproduce
1. ssh vm-pe6400-1.sfbay
2. cd /net/sqenfs-2.sfbay/export2/results/vm/gtee/OpenJDK/PROMOTION/VM/openjdk6/b04/defaultGC/vm/ubuntu8.04-i586/client/comp/vm-ubuntu8.04-i586_client_comp_nsk.regression.testlist2008-02-11-05-19-45/ResultDir/b4224903
2. sh rerun.sh

The failures specific to this version of ubuntu and don't reproduce on other versions and other operating systems. Usage of xcb on ubuntu 8.04 might be a reason of the hangs.