###In order to use ruby-debug with ruby-1.9.3 you need to download the following from http://rubyforge.org/frs/?group_id=8883 ###
linecache19-0.5.13.gem
ruby_core_source-0.1.5.gem
ruby-debug19-0.11.6.gem
ruby-debug-base19-0.11.26.gem
###then from the terminal run,###
gem install ruby_core_source-0.1.5.gem -- --with-ruby-include=$rvm_path/src/ruby-1.9.3-p0
gem install linecache19-0.5.13.gem -- --with-ruby-include=$rvm_path/src/ruby-1.9.3-p0
gem install ruby-debug-base19-0.11.26.gem -- --with-ruby-include=$rvm_path/src/ruby-1.9.3-p0
gem install ruby-debug19-0.11.6.gem -- --with-ruby-include=$rvm_path/src/ruby-1.9.3-p0
#If you wish to use the debugger in gemsets then run the above steps in the desired gemset
###then in your Gemfile require ###
gem "linecache19", "0.5.13"
gem "ruby-debug-base19", "0.11.26"
gem "ruby-debug19", require: 'ruby-debug'
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