From: "Dusan D." Date: 2013-03-22T23:33:14+09:00 Subject: Re: Differences between Ruby 1.9.2 and 1.9.3 Hi, The error I am seeing is this: /var/lib/gems/1.9.1/gems/linecache19-0.5.12/lib/tracelines19.rb:12:in `require': /var/lib/gems/1.9.1/gems/linecache19-0.5.12/lib/trace_nums19.so: undefined symbol: ruby_current_thread - /var/lib/gems/1.9.1/gems/linecache19-0.5.12/lib/trace_nums19.so (LoadError) I guess gems are OK, I updated Ubuntu to latest version of everything using "apt-get upgrade" Thanks. -- Posted via http://www.ruby-forum.com/.