title: rake fails with "Virtual timer expired"
body: <p>The following is my environment:</p>
  
  <ul>
  <li>OS X 10.5</li>
  <li>Xcode 3.1.4</li>
  <li>rvm 0.1.38</li>
  <li>ruby 1.8.9-p399 (via rvm)</li>
  <li>rails 2.3.8</li>
  </ul>
  
  <p>I started getting this error when rake tries to run my tests:</p>
  
  <pre><code>bash$ rake
  Virtual timer expired
  bash$  # End of output!
  </code></pre>
  
  <p>And with tracing enabled:</p>
  
  <pre><code>bash$ rake --trace
  ** Invoke default (first_time)
  ** Invoke test (first_time)
  ** Execute test
  ** Invoke test:units (first_time)
  ** Invoke db:test:prepare (first_time)
  ** Invoke db:abort_if_pending_migrations (first_time)
  ** Invoke environment (first_time)
  ** Execute environment
  ** Execute db:abort_if_pending_migrations
  ** Execute db:test:prepare
  ** Invoke db:test:load (first_time)
  ** Invoke db:test:purge (first_time)
  ** Invoke environment 
  ** Execute db:test:purge
  ** Execute db:test:load
  ** Invoke db:schema:load (first_time)
  ** Invoke environment 
  ** Execute db:schema:load
  Virtual timer expired
  bash$
  </code></pre>