gem not working after installing 'thin' - rails 3.2.8 -


i got stuck in dead end after trying install gem 'thin' on environment

  rhel 6.0   ruby 1.9.3   rails 3.2.8

as indicated, added 

gem 'thin'

to gemfile , ran

bundle install

the installation seemed successful, after that, whenever run 'gem', get

<internal:prelude>:8:in `lock': error: failed build gem native extension. (gem::ext::builderror)      error: failed build gem native extension.      deadlock; recursive locking  gem files remain installed in /usr/local/lib/ruby/gems/1.9.1/gems/eventmachine-1.0.3 inspection. results logged /usr/local/lib/ruby/gems/1.9.1/extensions/x86_64-linux/1.9.1-static/eventmachine-1.0.3/gem_make.out

while if run again 'bundle install' get

unfortunately, fatal error has occurred. please see bundler troubleshooting documentation @ http://bit.ly/bundler-issues. thanks! <internal:prelude>:8:in `lock': error: failed build gem native extension. (gem::ext::builderror)      error: failed build gem native extension.      deadlock; recursive locking  gem files remain installed in /usr/local/lib/ruby/gems/1.9.1/gems/eventmachine-1.0.3 inspection. results logged /usr/local/lib/ruby/gems/1.9.1/extensions/x86_64-linux/1.9.1-static/eventmachine-1.0.3/gem_make.out

i tried follow troubleshooting @ https://github.com/bundler/bundler/blob/master/issues.md nothing has changed.

looks there's corrupted in eventmachine gem installation, can't neither uninstall or reinstall it.

has got idea?

i @ least able revert (working) configuration prior thin installation....


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