--- grub-core/kern/emu/getroot.c	2011-06-23 17:50:41 +0000
+++ grub-core/kern/emu/getroot.c	2011-06-24 02:32:54 +0000
@@ -620,11 +620,13 @@
       int root = (strcmp (os_dev, "/dev/root") == 0);
       if (!dm && !root)
 	return os_dev;
-      if (stat (os_dev, &st) < 0)
-	grub_util_error ("cannot stat `%s'", os_dev);
+      if (stat (os_dev, &st) >= 0)
+	{
+	  free (os_dev);
+	  dev = st.st_rdev;
+	  return grub_find_device (dm ? "/dev/mapper" : "/dev", dev);
+	}
       free (os_dev);
-      dev = st.st_rdev;
-      return grub_find_device (dm ? "/dev/mapper" : "/dev", dev);
     }
 
   if (stat (dir, &st) < 0)