=== modified file 'unity-private/places/places-volume-child-controller.vala'
--- old/unity-private/places/places-volume-child-controller.vala	2010-09-22 13:49:14 +0000
+++ new/unity-private/places/places-volume-child-controller.vala	2010-11-17 12:35:40 +0000
@@ -78,17 +78,27 @@
             }
           try {
             volume.mount.begin (0, null, null);
-
-            mount = volume.get_mount ();
-            if (mount is Mount)
-              AppInfo.launch_default_for_uri (mount.get_root ().get_uri (), null);
-            else
-              warning (error_msg + "Unable to mount");
-
-          } catch (Error e) {
-            warning (error_msg +  e.message);
-          }
-
+            /* It seems impossible to connect a callback to this asynchronous 
+               method. As a work around, monitor mounts added… */
+            VolumeMonitor.get ().mount_added.connect (on_mount_added);
+          } catch (Error e) {
+            warning (error_msg + e.message);
+          }
+        }
+    }
+
+    private void on_mount_added (Mount mount)
+    {
+      if (mount.get_volume () == volume)
+        {
+          // Stop monitoring, we’re done with the asynchronous mount operation.
+          VolumeMonitor.get ().mount_added.disconnect (this.on_mount_added);
+          try {
+            AppInfo.launch_default_for_uri (mount.get_root ().get_uri (), null);
+          } catch (Error e) {
+            string error_msg = @"Cannot open volume '$(volume.get_name ())': ";
+            warning (error_msg + e.message);
+          }
         }
     }