From: "malagodia (Andrea Malagodi)" Date: 2014-01-01T08:41:34+09:00 Subject: [ruby-core:59443] [ruby-trunk - Bug #9334][Open] activesupport-4.0.2/lib/active_support/dependencies.rb:229: [BUG] Segmentation fault at 0x00000000000018 Issue #9334 has been reported by malagodia (Andrea Malagodi). ---------------------------------------- Bug #9334: activesupport-4.0.2/lib/active_support/dependencies.rb:229: [BUG] Segmentation fault at 0x00000000000018 https://bugs.ruby-lang.org/issues/9334 Author: malagodia (Andrea Malagodi) Status: Open Priority: High Assignee: Category: Target version: ruby -v: 2.1.0 Backport: 2.1: UNKNOWN I have just upgraded to ruby 2.1.0 and running in Rails foreman (unicorn) and received a long error report, which I quite frankly do not understand, attached an output and diagnostics report -- http://bugs.ruby-lang.org/