I\'m using RVM, Ruby 1.9.2, and Rails 3.0.7
A standard kill of the process from another terminal doesn\'t work, either, but kill -9 does, of course.
I found
Interesting experience (and good workaround for the next weeks):
If you are under Ubuntu and use Guake for quick terminal access, you can launch
rails s
there. Ctrl + C reproducibly works there for me and stops the server.
Hope I could help! :)
EDIT: As obviously this is not reproducibly for everyone, here is my setup: Ubuntu 11.04, 32-bit, Guake 0.4.2-4ubuntu1