Hi, At Mon, 11 Jun 2007 23:21:29 +0900, Alex Young wrote in [ruby-talk:255142]: > irb(main):006:0> a.owner = :foo > NoMethodError: undefined method `owner=' for #<Mutex:0xb788184c> > from (irb):6 Rather I consider it a bug if it is possible to change the owner of a Mutex without locking. > As you can see, the method definition prior to the fastthread require is > lost. This wasn't a problem with 0.6.4, but is a problem with 1.0. Is > this a genuine bug, or is there a good reason for this? It would be a genuine bugfix, I guess. -- Nobu Nakada