In one of the latest boots i've found red lines with some gdm3 error, so i gave gnome-shell a purge and reinstall and it worked. With the backport of iwlwifi i didn't have internet, but i uninstalled it and then was able to reinstall gnome-shell.
In one of the latest boots i've found red lines with some gdm3 error, so i gave gnome-shell a purge and reinstall and it worked. With the backport of iwlwifi i didn't have internet, but i uninstalled it and then was able to reinstall gnome-shell.