jenkins@master:~$ lsb_release -idrc
Distributor ID: Debian
Description:    Debian GNU/Linux 5.0.8 (lenny)
Release:        5.0.8
Codename:       lenny

jenkins@master:~$ java -version
java version "1.6.0_20"
Java(TM) SE Runtime Environment (build 1.6.0_20-b02)
Java HotSpot(TM) Client VM (build 16.3-b01, mixed mode, sharing)

jenkins@mac-slave:~$ sw_vers
ProductName:    Mac OS X
ProductVersion: 10.6.7
BuildVersion:   10J869

jenkins@mac-slave:~$ java -version
java version "1.6.0_24"
Java(TM) SE Runtime Environment (build 1.6.0_24-b07-334-10M3326)
Java HotSpot(TM) 64-Bit Server VM (build 19.1-b02-334, mixed mode)

Apr 23, 2011 2:26:24 PM hudson.node_monitors.AbstractNodeMonitorDescriptor$Record run
WARNING: Failed to monitor hostname for Free Swap Space
java.io.IOException: No suitable implementation found: os.name=Mac OS X os.arch=x86_64 sun.arch.data.model=64
	at org.jvnet.hudson.MemoryMonitor.obtain(MemoryMonitor.java:60)
	at org.jvnet.hudson.MemoryMonitor.get(MemoryMonitor.java:31)
	at hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
	at hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:99)
	at hudson.remoting.UserRequest.perform(UserRequest.java:118)
	at hudson.remoting.UserRequest.perform(UserRequest.java:48)
	at hudson.remoting.Request$2.run(Request.java:270)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:680)