diff --git a/addon/file.js b/addon/file.js
index 03378b53..0748756a 100644
--- a/addon/file.js
+++ b/addon/file.js
@@ -176,7 +176,7 @@ export default Ember.Object.extend({
       }
     });
 
-    let request = new HTTPRequest();
+    let request = new HTTPRequest({ label: `${options.method} ${get(this, 'name') } to ${options.url}` });
     request.open(options.method, options.url);
 
     Object.keys(options.headers).forEach(function (key) {
@@ -214,29 +214,29 @@ export default Ember.Object.extend({
     }, (error) => {
       set(this, 'state', 'failed');
       return RSVP.reject(error);
-    }).finally(function () {
+    }, `ember-file-upload: Update "${get(this, 'name')}"'s upload state`).finally(function () {
       // Decrement for Ember.Test
       inflightRequests--;
     });
   },
 
   readAsArrayBuffer() {
-    let reader = new FileReader();
+    let reader = new FileReader({ label: `Read ${get(this, 'name')} as an ArrayBuffer` });
     return reader.readAsArrayBuffer(this.blob);
   },
 
   readAsDataURL() {
-    let reader = new FileReader();
+    let reader = new FileReader({ label: `Read ${get(this, 'name')} as a Data URI` });
     return reader.readAsDataURL(this.blob);
   },
 
   readAsBinaryString() {
-    let reader = new FileReader();
+    let reader = new FileReader({ label: `Read ${get(this, 'name')} as a binary string` });
     return reader.readAsBinaryString(this.blob);
   },
 
   readAsText() {
-    let reader = new FileReader();
+    let reader = new FileReader({ label: `Read ${get(this, 'name')} as text` });
     return reader.readAsText(this.blob);
   }
 
diff --git a/addon/system/file-reader.js b/addon/system/file-reader.js
index 30787ccd..be28902e 100644
--- a/addon/system/file-reader.js
+++ b/addon/system/file-reader.js
@@ -2,16 +2,19 @@ import Ember from 'ember';
 
 const { RSVP } = Ember;
 
-export default function () {
-  let { resolve, reject, promise } = RSVP.defer();
+export default function (options = {}) {
+  let { resolve, reject, promise } = RSVP.defer(`ember-file-upload: ${options.label}`);
   let reader = new FileReader();
 
   reader.onload = resolve;
   reader.onerror = reject;
 
-  let aborted = RSVP.defer();
+  let aborted;
   let cancel = function () {
-    reader.abort();
+    if (aborted == null) {
+      aborted = RSVP.defer(`ember-file-upload: Abort ${options.label}`);
+      reader.abort();
+    }
     return aborted.promise;
   };
   reader.onabort = function () {
@@ -25,7 +28,7 @@ export default function () {
         return reader.result;
       }, function () {
         return RSVP.reject(reader.error);
-      });
+      }, `ember-file-upload: Unpack ${options.label}`);
       p.cancel = cancel;
       return p;
     };
diff --git a/addon/system/http-request.js b/addon/system/http-request.js
index d06a5460..ea3bb715 100644
--- a/addon/system/http-request.js
+++ b/addon/system/http-request.js
@@ -47,13 +47,16 @@ function parseResponse(request) {
   };
 }
 
-export default function () {
-  let { resolve, reject, promise } = RSVP.defer();
+export default function (options = {}) {
+  let { resolve, reject, promise } = RSVP.defer(`ember-file-upload: ${options.label}`);
   let request = new XMLHttpRequest();
 
-  let aborted = RSVP.defer();
+  let aborted;
   promise.cancel = () => {
-    request.abort();
+    if (aborted == null) {
+      aborted = RSVP.defer(`ember-file-upload: Abort ${options.label}`);
+      request.abort();
+    }
     return aborted.promise;
   };
   request.onabort = bind(this, function () {