Julien Cubizolles [2013-07-03 19:00:28 +02:00] wrote:

> I get messages complaining about .gnus.registry.eioio that couldn't be
> opened and then the read status of messages seems to be lost.

I remember seeing similar error messages and in my system the cause was
different Emacs (Gnus) versions. They expected different registry
format.

I sync Emacs and Gnus files between two computers too, with Unison. It
works nicely but I avoid editing mail files in both locations at the
same time.