Fabio Natali <me@fabionatali.com> writes:

> Thanks for your email. Sure, glad to share the backtrace with you.
> ...
>   tramp-file-name-handler(file-attributes "/ssh:<remote-machine>:/home/user/test.org")
>   org-persist--normalize-associated(#<buffer test.org>)

I see the problem now.
Does the attached patch solve the "freeze"?