Thanks for your answer and sorry for my late reply !I think it's systemd-related, too. Right now, I hope for the next systemd update.Another workaround I've found is to choose the "log in as different user" option and then to choose your own user. In most cases this works. Sometimes only the Gnome panel at the top of the screen will work.
https://wiki.archlinux.org/index.php/Fo … ow_to_Postwhen a solution is found, mark your thread as solved by editing the first post and prepending the tag [SOLVED] to the title in the "Subject" field.Note that you should avoid using [CLOSED], which is instead used by the system to mark a thread which is no longer accessible for new posts.