gdb 6.6 still have argument problem, so disabled argument on 6.6
diff --git a/debug/org.eclipse.ptp.debug.sdm/src/server/gdbmi_backend.c b/debug/org.eclipse.ptp.debug.sdm/src/server/gdbmi_backend.c
index b9b595b..8d10fc3 100644
--- a/debug/org.eclipse.ptp.debug.sdm/src/server/gdbmi_backend.c
+++ b/debug/org.eclipse.ptp.debug.sdm/src/server/gdbmi_backend.c
@@ -2121,7 +2121,7 @@
 	List *		frames;
 	int val = 0;
 	
-	if (GDB_Version > 6.3 && GDB_Version < 6.6) {
+	if (GDB_Version > 6.3 && GDB_Version < 6.7) {
 		cmd = MIStackListFrames(level, level);
 		SendCommandWait(DebugSession, cmd);
 		if (!MICommandResultOK(cmd)) {