/Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/util/which.rb:32:in `split': invalid byte sequence in UTF-8 (ArgumentError)
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/util/which.rb:32:in `which'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/util/subprocess.rb:30:in `initialize'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/util/subprocess.rb:24:in `new'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/util/subprocess.rb:24:in `execute'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/plugins/providers/virtualbox/driver/base.rb:351:in `block in raw'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/util/busy.rb:19:in `busy'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/plugins/providers/virtualbox/driver/base.rb:350:in `raw'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/plugins/providers/virtualbox/driver/base.rb:292:in `block in execute'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/util/retryable.rb:17:in `retryable'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/plugins/providers/virtualbox/driver/base.rb:290:in `execute'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/plugins/providers/virtualbox/driver/meta.rb:129:in `read_version'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/plugins/providers/virtualbox/driver/meta.rb:34:in `initialize'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/plugins/providers/virtualbox/provider.rb:34:in `new'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/plugins/providers/virtualbox/provider.rb:34:in `machine_id_changed'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/plugins/providers/virtualbox/provider.rb:14:in `initialize'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/machine.rb:116:in `new'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/machine.rb:116:in `initialize'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/environment.rb:428:in `new'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/environment.rb:428:in `machine'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/plugin/v2/command.rb:134:in `block in with_target_vms'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/plugin/v2/command.rb:167:in `call'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/plugin/v2/command.rb:167:in `block in with_target_vms'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/plugin/v2/command.rb:166:in `map'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/plugin/v2/command.rb:166:in `with_target_vms'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/plugins/commands/up/command.rb:52:in `block in execute'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/environment.rb:206:in `block (2 levels) in batch'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/environment.rb:204:in `tap'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/environment.rb:204:in `block in batch'
    from <internal:prelude>:10:in `synchronize'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/environment.rb:203:in `batch'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/plugins/commands/up/command.rb:51:in `execute'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/cli.rb:38:in `execute'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/lib/vagrant/environment.rb:478:in `cli'
    from /Applications/Vagrant/embedded/gems/gems/vagrant-1.3.4/bin/vagrant:96:in `<top (required)>'
    from /Applications/Vagrant/bin/../embedded/gems/bin/vagrant:23:in `load'
    from /Applications/Vagrant/bin/../embedded/gems/bin/vagrant:23:in `<main>'