Getting an error while running C# application

Hi,
I am trying to use convert three jar files as follow in Linux:
- sudo ikvmc -sharedclassloader pi4j-core.jar pi4j-device.jar 
pi4j-gpio-extension.jar
- the convert was successful with no error and create pi4j-core.dll.
- I use the new dll in C# application as follow:

using com.pi4j.io.gpio;
using com.pi4j.wiringpi;
//using IKVM.Reflection;
using java.lang;
using System.Reflection;
namespace SPI_PI
{
class Program
{
static void Main(string[] args)
{
ikvm.runtime.Startup.addBootClassPathAssemby(Assembly.Load("pi4j-core"));
GpioController gpio = GpioFactory.getInstance();
GpioPinDigitalOutput pin = 
gpio.provisionDigitalOutputPin(RaspiPin.GPIO_08, "MyLED", 
PinState.HIGH);
pin.low();
Thread.sleep(5000);
pin.toggle();
Thread.sleep(5000);
}
}
}


-then I try compile the application using the command sudo mcs SPI_PI.cs 
-r:pi4j-core.dll and no error.
-I copy the pi4j-core.dll to /usr/lib/ikvm/ as well as the same 
directory of the exe application.
-then I run the application using sudo mono SPI_PI.exe and I get the 
following error:

Unhandled Exception:
System.ExecutionEngineException: SIGILL
at java.util.concurrent.ConcurrentHashMap..ctor (Int32 initialCapacity, 
Single loadFactor, Int32 concurrencyLevel) [0x00000] in :0
at java.util.concurrent.ConcurrentHashMap..ctor () [0x00000] in :0
at com.pi4j.io.gpio.GpioProviderBase..ctor () [0x00000] in :0
at com.pi4j.io.gpio.RaspiGpioProvider..ctor () [0x00000] in :0
at com.pi4j.io.gpio.GpioFactory.getDefaultProvider () [0x00000] in :0
at com.pi4j.io.gpio.impl.GpioControllerImpl..ctor () [0x00000] in :0
at com.pi4j.io.gpio.GpioFactory.getInstance () [0x00000] in :0
at SPI_PI.Program.Main (System.String[] args) [0x00000] in :0
[ERROR] FATAL UNHANDLED EXCEPTION: System.ExecutionEngineException: 
SIGILL
at java.util.concurrent.ConcurrentHashMap..ctor (Int32 initialCapacity, 
Single loadFactor, Int32 concurrencyLevel) [0x00000] in :0
at java.util.concurrent.ConcurrentHashMap..ctor () [0x00000] in :0
at com.pi4j.io.gpio.GpioProviderBase..ctor () [0x00000] in :0
at com.pi4j.io.gpio.RaspiGpioProvider..ctor () [0x00000] in :0
at com.pi4j.io.gpio.GpioFactory.getDefaultProvider () [0x00000] in :0
at com.pi4j.io.gpio.impl.GpioControllerImpl..ctor () [0x00000] in :0
at com.pi4j.io.gpio.GpioFactory.getInstance () [0x00000] in :0
at SPI_PI.Program.Main (System.String[] args) [0x00000] in :0

any suggestion.
thanks,
Amr

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