http://hollandonrails.nl/articles/476-Passenger-2-2-10-released The guys at "Phusion":http://www.phusion.nl just released a bugfix version of "Passenger":http://blog.phusion.nl/2010/02/22/phusion-passenger-2-2-10-released/ with version number 2.2.10. Part of the changelog: * Fixed some Bundler compatibility problems. * Fixed some file descriptor passing problems, which previously could lead to mysterious crashes. * Fixed some compilation problems on newer GCC versions. Issue #430. * Support #size method in rack.input. Upgrading is easy: <code> gem install passenger passenger-install-apache2-module </code> And copy paste the snippet the installer generates into your apache configuration.