Hi 
  John,
   
  Thanks for your 
  effort.  Here are my findings.  I hope you find them 
  useful:
   
  1)  Jump to address combo box and 
  'Go to address' action under toolbar menu are not working.  If these 
  features are not supported for CDI, then we should probably disable or hide 
  them.
   
  2) Clicking on 'View Disassembly' from 
  <unknown> editor, opens up CDI disassembly instead of DSF disassembly. I 
  guess this can be switched when we replace CDI's disassembly.  
  <unknown> editor pops up after starting a debug session and the source 
  file cannot be found.
   
  3) Resize disassembly view to a small 
  size, start a debug session, now resize it a bigger size, notice the empty 
  lines  in disassembly view.  Clicking on refresh doesn't resolve the 
  issue.  Reselecting the stack frame populates the empty lines.  I 
  believe this is a general problem with disassembly view.  I reproduced it 
  with  DSF debugger too.
   
  
   
  - There are dotted lines displayed 
  between each source line (see snapshot below):
   
  
   
  - I somehow get the following 
  exception.  Sometimes I get it when I start a debug session and sometimes 
  I get it when I switch between views and switch back to DSF 
  Disassembly.
   
  java.lang.ArrayIndexOutOfBoundsException: 
  1
  at 
  org.eclipse.cdt.debug.internal.ui.disassembly.dsf.DisassemblyBackendCdi.retrieveFrameAddress(DisassemblyBackendCdi.java:177)
  at 
  org.eclipse.cdt.dsf.debug.internal.ui.disassembly.DisassemblyPart.gotoFrame(DisassemblyPart.java:2077)
  at 
  org.eclipse.cdt.dsf.debug.internal.ui.disassembly.DisassemblyPart.gotoFrame(DisassemblyPart.java:2036)
  at 
  org.eclipse.cdt.dsf.debug.internal.ui.disassembly.DisassemblyPart.gotoFrameIfActive(DisassemblyPart.java:2045)
  at 
  org.eclipse.cdt.dsf.debug.internal.ui.disassembly.DisassemblyPart.setActive(DisassemblyPart.java:1789)
  at 
  org.eclipse.cdt.dsf.debug.internal.ui.disassembly.DisassemblyPart$1.partVisible(DisassemblyPart.java:296)
  at 
  org.eclipse.ui.internal.PartListenerList2$7.run(PartListenerList2.java:172)
  at 
  org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
  at 
  org.eclipse.core.runtime.Platform.run(Platform.java:888)
  at 
  org.eclipse.ui.internal.PartListenerList2.fireEvent(PartListenerList2.java:55)
  at 
  org.eclipse.ui.internal.PartListenerList2.firePartVisible(PartListenerList2.java:170)
  at 
  org.eclipse.ui.internal.PartService.firePartVisible(PartService.java:253)
  at 
  org.eclipse.ui.internal.WorkbenchPagePartList.firePartVisible(WorkbenchPagePartList.java:68)
  at 
  org.eclipse.ui.internal.PartList.partVisible(PartList.java:288)
  at 
  org.eclipse.ui.internal.PartList.access$2(PartList.java:277)
  at 
  org.eclipse.ui.internal.PartList$1.propertyChanged(PartList.java:47)
  at 
  org.eclipse.ui.internal.WorkbenchPartReference.fireInternalPropertyChange(WorkbenchPartReference.java:375)
  at 
  org.eclipse.ui.internal.WorkbenchPartReference.fireVisibilityChange(WorkbenchPartReference.java:536)
  at 
  org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:318)
  at 
  org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:529)
  at 
  org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180)
  at 
  org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270)
  at 
  org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
  at 
  org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473)
  at 
  org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1254)
  at 
  org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1207)
  at 
  org.eclipse.ui.internal.PartStack.presentationSelectionChanged(PartStack.java:841)
  at 
  org.eclipse.ui.internal.PartStack.access$1(PartStack.java:827)
  at 
  org.eclipse.ui.internal.PartStack$1.selectPart(PartStack.java:137)
  at 
  org.eclipse.ui.internal.presentations.util.TabbedStackPresentation$1.handleEvent(TabbedStackPresentation.java:133)
  at 
  org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:269)
  at 
  org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:278)
  at 
  org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder.access$1(DefaultTabFolder.java:1)
  at 
  org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder$2.handleEvent(DefaultTabFolder.java:88)
  at 
  org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
  at 
  org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1050)
  at 
  org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1074)
  at 
  org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1059)
  at 
  org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:773)
  at 
  org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3278)
  at 
  org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2049)
  at 
  org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:331)
  at 
  org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
  at 
  org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1050)
  at 
  org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3984)
  at 
  org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3577)
  at 
  org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2407)
  at 
  org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2371)
  at 
  org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2220)
  at 
  org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
  at 
  org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
  at 
  org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493)
  at 
  org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
  at 
  org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
  at 
  org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)
  at 
  org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
  at 
  org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
  at 
  org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:367)
  at 
  org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
  at 
  sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
  Method)
  at 
  sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at 
  sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at 
  java.lang.reflect.Method.invoke(Method.java:585)
  at 
  org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:611)
  at 
  org.eclipse.equinox.launcher.Main.basicRun(Main.java:566)
  at 
  org.eclipse.equinox.launcher.Main.run(Main.java:1363)
  at 
  org.eclipse.equinox.launcher.Main.main(Main.java:1339)
   
   
  Let me know if you have any 
  questions.
   
  Regards,
   Navid