Widgets not displaying data before canceling process - Smashing/smashing GitHub Wiki

This issue seems to have a few common denominators:

1. Widgets are blank, until you cancel the process
2. Happens on every widget, including the ones on default sample dashboards.
3. Appears on Ubuntu.

The issue appears to be related to the Thin server. Try using Puma:
gem install puma
puma config.ru -p 3030