From: Joel Pearson Date: 2012-08-29T04:12:12+09:00 Subject: Re: Is calling system() from a thread suppose to be safe? I don't know if this is relevant as I don't use VM, but I noticed it in your code. Would this be related? https://github.com/mitchellh/vagrant/issues/166 -- Posted via http://www.ruby-forum.com/.