- Navigate to
C:\HashiCorp\Vagrant\embeddedand runmsys.bat. This will open a MINGW32 console. - From the MINGW32 consloe run
export GEM_HOME=/c:/HashiCorp/Vagrant/embedded/gems; gem list. You should see the ffi gem listed with a version number greater than 1.3.1. - Run
gem uninstall ffi - Run
gem install ffi -v 1.3.1
This should resolve the "Failed to load the 'vagrant-librarian-chef' plugin" issue, at least for Vagrant 1.3.5 and Chef 11.8.0.