Rails - Jan 2006 - fastcgi crash

My web browser won''t load/display a controller page. (It worked  
yesterday.)

I''m getting this in my fastcgi.crash.log:

[26/Jan/2006:16:33:05 :: 29839] starting
[26/Jan/2006:16:37:18 :: 29839] Dispatcher failed to catch:  (Interrupt)
   /usr/local/lib/ruby/site_ruby/1.8/fcgi.rb:597:in `each''
   /usr/local/lib/ruby/site_ruby/1.8/fcgi.rb:597:in `each_cgi''
   /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/fcgi_handler.rb: 
52:in `process!''
   /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/fcgi_handler.rb: 
22:in `process!''
   public/dispatch.fcgi:24
killed by this error

Likely causes?

Thanks,
Doug