K:\cygwin\home\martinf>monodevelop -ipc-tcp

=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================

Stacktrace:

  at (wrapper managed-to-native) GLib.Object.g_object_set_property (intptr,intptr,GLib.Value&) <0x00004>
  at (wrapper managed-to-native) GLib.Object.g_object_set_property (intptr,intptr,GLib.Value&) <0xffffffff>
  at GLib.Object.SetProperty (string,GLib.Value) <0x0002b>
  at Gtk.Widget.set_Visible (bool) <0x0004b>
  at MonoDevelop.Ide.Gui.Workbench.Show (string) <0x000f6>
  at MonoDevelop.Ide.Gui.IdeApp.Initialize (MonoDevelop.Core.IProgressMonitor) <0x0042c>
  at MonoDevelop.Ide.Gui.IdeStartup.Run (string[]) <0x00b90>
  at MonoDevelop.Core.AddIns.AddInService.StartApplication (string,string[]) <0x0017c>
  at MonoDevelop.Startup.SharpDevelopMain.Main (string[]) <0x00039>
  at (wrapper runtime-invoke) System.Object.runtime_invoke_int_string[] (object,intptr,intptr,intptr) <0xffffffff>

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.