diff --git a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/CTarget.java b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/CTarget.java
index 4a9cb41d567..fb8286a59af 100644
--- a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/CTarget.java
+++ b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/CTarget.java
@@ -102,6 +102,12 @@ public class CTarget  implements ICDITarget {
 			} catch (MIException e) {
 				throw new CDIException(e.getMessage());
 			}
+
+			// Resetting threads may change the value of
+			// some variables like Register.  Send an update
+			// To generate changeEvents.
+			VariableManager varMgr = session.getVariableManager();
+			varMgr.update();
 		}
 
 		// We should be allright now.
diff --git a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/CThread.java b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/CThread.java
index ac7a1a02b68..b87f0cfa05a 100644
--- a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/CThread.java
+++ b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/cdi/CThread.java
@@ -93,7 +93,8 @@ public class CThread extends CObject implements ICDIThread {
 	}
 
 	public void setCurrentStackFrame(StackFrame stackframe) throws CDIException {
-		MISession mi = getCTarget().getCSession().getMISession();
+		CSession session = getCTarget().getCSession();
+		MISession mi = session.getMISession();
 		CommandFactory factory = mi.getCommandFactory();
 		int frameNum = 0;
 		if (stackframe != null) {
@@ -109,6 +110,13 @@ public class CThread extends CObject implements ICDIThread {
 				throw new CDIException("No answer");
 			}
 			currentFrame = stackframe;
+
+			// Resetting threads may change the value of
+			// some variables like Register.  Send an update
+			// To generate changeEvents.
+			VariableManager varMgr = session.getVariableManager();
+			varMgr.update();
+
 		} catch (MIException e) {
 			throw new CDIException(e.getMessage());
 		}