mario@s29:~$ cat ~/.openra/Logs/exception.log
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object
  at OpenRA.Renderer.Glsl.GraphicsDevice+<GraphicsDevice>c__AnonStorey0.<>m__0 (System.String r) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable.Any[String] (IEnumerable`1 source, System.Func`2 predicate) [0x00000] in <filename unknown>:0
  at OpenRA.Renderer.Glsl.GraphicsDevice..ctor (Int32 width, Int32 height, WindowMode window, Boolean vsync) [0x00000] in <filename unknown>:0
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0
  at System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) [0x00000] in <filename unknown>:0
  at OpenRA.Graphics.Renderer.CreateDevice (System.Reflection.Assembly rendererDll, Int32 width, Int32 height, WindowMode window, Boolean vsync) [0x00000] in <filename unknown>:0
  at OpenRA.Graphics.Renderer.Initialize (WindowMode windowMode) [0x00000] in <filename unknown>:0
  at OpenRA.Game.Initialize (OpenRA.Arguments args) [0x00000] in <filename unknown>:0
  at OpenRA.Program.Run (System.String[] args) [0x00000] in <filename unknown>:0
  at OpenRA.Program.Main (System.String[] args) [0x00000] in <filename unknown>:0