diff --git a/.travis.yml b/.travis.yml
index b4fba1166f..f4c98838bb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,7 +33,15 @@ before_install:
   - sudo apt-get update -qq
   - sudo apt-get install aria2 pv -qq
   - download_extract() { aria2c -x 16 $1 -o $2 && tar -xf $2; }
-  - download_extract_xz() { aria2c --file-allocation=none --timeout=120 --retry-wait=5 --max-tries=20 -Z -c $1 -o $2 && pv $2 | xz -vd | tar -x; }
+  - download_extract_xz() {
+      aria2c --file-allocation=none --timeout=120 --retry-wait=5 --max-tries=20 -Z -c $1 -o $2 &&
+      stat -c 'ATTEMPT 1 - %s' $2 &&
+      md5sum $2 &&
+      aria2c --file-allocation=none --timeout=120 --retry-wait=5 --max-tries=20 -Z -c $1 -o $2 &&
+      stat -c 'ATTEMPT 2 - %s' $2 &&
+      md5sum $2 &&
+      pv $2 | xz -vd | tar -x;
+    }
 # Travis uses CMake 2.8.7. We require 2.8.8. Grab latest
   - if [ "$CMAKE" == "TRUE" ]; then
       sudo apt-get install lib32stdc++6 lib32z1 lib32z1-dev -qq &&