ignore chips by id address

spinn_machine/chip.py

@@ -14,9 +14,13 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from collections import OrderedDict
+import logging
 from six import iteritems, itervalues
-from .processor import Processor
+from spinn_utilities.log import FormatAdapter
 from spinn_utilities.ordered_set import OrderedSet
+from .processor import Processor
+
+logger = FormatAdapter(logging.getLogger(__name__))
 
 standard_processors = {}
 
@@ -112,7 +116,10 @@ def __generate_processors(self, n_processors, down_cores):
                     "Declaring core 0 as down is not supported")
             processors[0] = Processor.factory(0, True)
             for i in range(1, n_processors):
-                if i not in down_cores:
+                if i in down_cores:
+                    logger.warning("Not using Core {}:{}:{}",
+                                   self._x, self._y, i)
+                else:
                     processors[i] = Processor.factory(i)
             self._n_user_processors = n_processors - 1 - len(down_cores)
             return processors