Merge remote-tracking branch 'origin/asyncio' into asyncio

gns3server/modules/dynamips/__init__.py

@@ -435,7 +435,7 @@ class Dynamips(BaseManager):
             except DynamipsError as e:
                 log.warn("Could not create ghost instance: {}".format(e))
 
-        if vm.ghost_file != ghost_file and os.path.isfile(ghost_file):
+        if vm.ghost_file != ghost_file and os.path.isfile(ghost_file_path):
             # set the ghost file to the router
             yield from vm.set_ghost_status(2)
             yield from vm.set_ghost_file(ghost_file)

gns3server/modules/dynamips/nodes/router.py

@@ -1495,10 +1495,10 @@ class Router(BaseVM):
 
         try:
             reply = yield from self._hypervisor.send("vm extract_config {}".format(self._name))
-            reply = reply[0].rsplit(' ', 2)[-2:]
-        except IOError:
+        except DynamipsError:
             #for some reason Dynamips gets frozen when it does not find the magic number in the NVRAM file.
             return None, None
+        reply = reply[0].rsplit(' ', 2)[-2:]
         startup_config = reply[0][1:-1]  # get statup-config and remove single quotes
         private_config = reply[1][1:-1]  # get private-config and remove single quotes
         return startup_config, private_config