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:ineach_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:inprocess!’
public/dispatch.fcgi:24
killed by this error

Likely causes?

Thanks,
Doug