I found out it has something to do with wpa_supplicant. When I am outside my home WiFi-network, Gnome starts normally. I tried to change my SSID in /etc/wpa_supplicant.conf to "blablabla", and then it also worked fine.
-- gnome-settings-daemon crashes at login https://launchpad.net/bugs/61381 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
