I have recently re-installed an Ubuntu 18.10 system and installed cinnamon with

sudo apt-get install cinnamon

as well as lightdm, and also proceded to purge unity and gdm3. I have a similar issue to

Unable to log in to Cinnamon session 18.04 - After I type in my password there is a pause, the screen goes black, and then returns to the original log in screen.

However unlike the linked issue, gnome-user-share is not installed, instead I found that reinstalling snapd after I had previously purged it allowed me to login to Cinnamon. This is an oddity to me since previously I was using an 18.04 system upgraded to 18.10 where snapd was uninstalled in 18.04 and cinnamon functioned just fine.

THese are the contents of .xsession-errors.old https://pastebin.com/6uPZZwi The only error being: (process:1076): GLib-GIO-ERROR **: 20:42:00.980: No GSettings schemas are installed on the system

These are the contents of my custom lightdm config in /etc/lightdm/lightdm.conf.d/10-autologin.conf


autologin-guest = false

autologin-user = polly

autologin-user-timeout = 0

user-session = Cinnamon

[SeatDefaults] allow-guest = false

Is there any way to recognize the connection between snapd and cinnamon?


sudo apt install --reinstall gsettings-desktop-schemas solved it for me. Seems typing out your question makes it easier to actually google it.

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