>>>>> "Y" == Yukihiro Matsumoto <matz / ruby-lang.org> writes:

Y> We can't say much without error reproducing code.  Can you disclose
Y> it?  Actually, I really want to say "don't use _id2ref", but you've
Y> said it's not an option.

 It has a finalizer and it's in a "freeing page" : this case is possible ?

 If yes, flags is not set to 0 and this can explain the problem


Guy Decoux