=== modified file 'lisp/progmodes/gdb-mi.el'
--- lisp/progmodes/gdb-mi.el	2011-10-23 19:30:03 +0000
+++ lisp/progmodes/gdb-mi.el	2011-10-23 19:33:06 +0000
@@ -698,6 +698,9 @@
   ;; Change to "standard" filter
   (setq gud-marker-filter 'gud-gdbmi-marker-filter)
 
+  ;; Disable annotations
+  (gud-call "set annotate 0")
+
   (set (make-local-variable 'gud-minor-mode) 'gdbmi)
   (setq comint-input-sender 'gdb-send)
   (when (ring-empty-p comint-input-ring) ; cf shell-mode