network module test problems

[David Jencks]

On my linux box I'm seeing a test hang
org.apache.geronimo.network.protocol.control.ControlProtocolTest
thread dump:
"VM Thread" prio=1 tid=0x0808fda0 nid=0x7fa4 runnable
"VM Periodic Task Thread" prio=1 tid=0x08099230 nid=0x7fa4 waiting on  
condition
"Suspend Checker Thread" prio=1 tid=0x08095c48 nid=0x7fa4 runnable
    [junit] Full thread dump Java HotSpot(TM) Client VM (1.4.2_02-b03  
mixed mode):
    [junit]
    [junit] "CP " daemon prio=1 tid=0x0829bc88 nid=0x3a7 in  
Object.wait() [4d351000..4d3518bc]
    [junit]     at java.lang.Object.wait(Native Method)
    [junit]     - waiting on <0x44c774a0> (a  
EDU.oswego.cs.dl.util.concurrent.ClockDaemon)
    [junit]     at  
EDU.oswego.cs.dl.util.concurrent.ClockDaemon.nextTask(ClockDaemon.java:3 
28)
    [junit]     - locked <0x44c774a0> (a  
EDU.oswego.cs.dl.util.concurrent.ClockDaemon)
    [junit]     at  
EDU.oswego.cs.dl.util.concurrent.ClockDaemon$RunLoop.run(ClockDaemon.jav 
a:362)
    [junit]     at java.lang.Thread.run(Thread.java:534)
    [junit]
    [junit] "SM" prio=1 tid=0x0828acb0 nid=0x3a7 runnable  
[4d0aa000..4d0aa8bc]
    [junit]     at sun.nio.ch.PollArrayWrapper.poll0(Native Method)
    [junit]     at  
sun.nio.ch.PollArrayWrapper.poll(PollArrayWrapper.java:100)
    [junit]     at  
sun.nio.ch.PollSelectorImpl.doSelect(PollSelectorImpl.java:64)
    [junit]     at  
sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:59)
    [junit]     - locked <0x44c783e8> (a java.util.HashSet)
    [junit]     - locked <0x44c783f8> (a java.util.HashSet)
    [junit]     - locked <0x44c773a8> (a sun.nio.ch.PollSelectorImpl)
    [junit]     at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:70)
    [junit]     at  
org.apache.geronimo.network.SelectorManager.run(SelectorManager.java:137 
)
    [junit]     at java.lang.Thread.run(Thread.java:534)
    [junit]
    [junit] "Signal Dispatcher" daemon prio=1 tid=0x0808eb40 nid=0x3a7  
runnable [0..0]
    [junit]
    [junit] "Finalizer" daemon prio=1 tid=0x0808a388 nid=0x3a7 in  
Object.wait() [4c92f000..4c92f8bc]
    [junit]     at java.lang.Object.wait(Native Method)
    [junit]     - waiting on <0x44c283d0> (a  
java.lang.ref.ReferenceQueue$Lock)
    [junit]     at  
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:111)
    [junit]     - locked <0x44c283d0> (a  
java.lang.ref.ReferenceQueue$Lock)
    [junit]     at  
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:127)
    [junit]     at  
java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
    [junit]
    [junit] "Reference Handler" daemon prio=1 tid=0x08089710 nid=0x3a7  
in Object.wait() [4c8af000..4c8af8bc]
    [junit]     at java.lang.Object.wait(Native Method)
    [junit]     - waiting on <0x44c28438> (a  
java.lang.ref.Reference$Lock)
    [junit]     at java.lang.Object.wait(Object.java:429)
    [junit]     at  
java.lang.ref.Reference$ReferenceHandler.run(Reference.java:115)
    [junit]     - locked <0x44c28438> (a java.lang.ref.Reference$Lock)
    [junit]
    [junit] "main" prio=1 tid=0x080537a0 nid=0x3a7 in Object.wait()  
[bfffc000..bfffd03c]
    [junit]     at java.lang.Object.wait(Native Method)
    [junit]     - waiting on <0x44c7c0e0> (a  
EDU.oswego.cs.dl.util.concurrent.Latch)
    [junit]     at  
EDU.oswego.cs.dl.util.concurrent.Latch.attempt(Latch.java:79)
    [junit]     - locked <0x44c7c0e0> (a  
EDU.oswego.cs.dl.util.concurrent.Latch)
    [junit]     at  
org.apache.geronimo.network.protocol.control.ControlClientProtocolKitche 
n.sendDown(ControlClientProtocolKitchen.java:
130)
    [junit]     at  
org.apache.geronimo.network.protocol.ProtocolStack.sendDown(ProtocolStac 
k.java:125)
    [junit]     at  
org.apache.geronimo.network.protocol.control.ControlProtocolTest.test(Co 
ntrolProtocolTest.java:136)
    [junit]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native  
Method)
    [junit]     at  
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav 
a:39)
    [junit]     at  
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor 
Impl.java:25)
    [junit]     at java.lang.reflect.Method.invoke(Method.java:324)
    [junit]     at junit.framework.TestCase.runTest(TestCase.java:154)
    [junit]     at junit.framework.TestCase.runBare(TestCase.java:127)
    [junit]     at  
junit.framework.TestResult$1.protect(TestResult.java:106)
    [junit]     at  
junit.framework.TestResult.runProtected(TestResult.java:124)
    [junit]     at junit.framework.TestResult.run(TestResult.java:109)
    [junit]     at junit.framework.TestCase.run(TestCase.java:118)
    [junit]     at junit.framework.TestSuite.runTest(TestSuite.java:208)
    [junit]     at junit.framework.TestSuite.run(TestSuite.java:203)
    [junit]     at  
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTe 
stRunner.java:325)
    [junit]     at  
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitT 
estRunner.java:536)
    [junit]
    [junit] "VM Thread" prio=1 tid=0x080882e0 nid=0x3a7 runnable
    [junit]
    [junit] "VM Periodic Task Thread" prio=1 tid=0x08091718 nid=0x3a7  
waiting on condition
    [junit] "Suspend Checker Thread" prio=1 tid=0x0808e130 nid=0x3a7  
runnable

Seems OK on osx.
Any ideas?
thanks
david jencks