From: Roger Pack <rogerdpack2@...>
Date: 2010-10-05T03:12:57+09:00
Subject: [ruby-core:32687] Re: VC++ embedded rubygems gives NoMethodError undefined method `synchronize' for Mutex

> This one's about...
> #<NoMethodError: undefined method `synchronize' for #<Mutex:0x750faa8>>

What's your $LOADED_FEATURES when it runs into this?
-r