te     alp@rover:~/Projects/mono-svn/xnb.working$ mono testsimple.exe
fd: 7

Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object
in <0x00022> Xnb.XMarshal:Do[QueryExtensionRequestData] (Xnb.Protocol.XProto.QueryExtensionRequestData data)
in <0x00028> Xnb.Protocol.XProto.QueryExtensionRequest+<GetEnumerator>__184:MoveNext ()
in <0x000b6> Xnb.XWriter:Send (IMessagePart message)
in <0x00046> Xnb.XProto:QueryExtension (UInt16 nameLen, System.String name)
in <0x0009b> Xnb.Extension:Init (Xnb.Connection connection)
in <0x0008b> Driver:Main ()
alp@rover:~/Projects/mono-svn/xnb.working$