In one of my current project, whenever I ran a rake task that did a net/http request it was causing segmentation faults. $ bundle exec rake test:task $ /Users/cirish/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/net/http.rb:678: [BUG] Segmentation fault ruby 1.9.2 (2011-06-30 patchlevel 290) [i686-darwin10.8.0] And it seems whenever I get a segmentation fault the first place I need to look is at Open