Looks like there's patch and pull request that address this https://github.com/rails/rails/pull/1670. Hopefully it will be pulled in soon. Until then multi-threaded Rails 3.1 apps on Thin are impossible.
-- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.

