Currently, as of 22 September, with the latest updates this problem doesn't seem to occur anymore. I can have Compiz enabled and use session saving at the same time without any crashes when logging in to the default session. So I guess the updates fixed it.
Currently, as of 22 September, with the latest updates this problem doesn't seem to occur anymore. I can have Compiz enabled and use session saving at the same time without any crashes when logging in to the default session. So I guess the updates fixed it.