Xorg won't start

[someone@selfhosted.xyz]

Im unable to start Xorg on one of my laptops - can't get to slim or start 
a desktop service with xfce4start etc.

At the second to last line of Xorg.0.log I have:
   systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration
full log is at http://sprunge.us/WNGa

Is there a way to fix this?

For the sake of testing I then ran guix package -i libdrm && mpv --vo drm 
my_vid.wmv which hangs the console (not the pointer but can't cancel the 
process) and Im unable to switch tty.

I also tried changing slim to sddm and setting wayland instead of X11 but 
that didn't help. I also tried to define my-slim-service and add the nouveau 
driver in case there's a problem with the intel graphics but I weren't 
able to write it correctly, this didn't work:

> (define (my-slim-service)
>         (mlet* %store-monad ((config (xorg-configuration-file
> ;;              #:drivers '("nouveau" "vesa")
>                 #:resolutions '((1920 1080) (1366 768) (1024 768))
> ))
>                              (startx (xorg-start-command
>                 #:configuration-file config)))
>         (slim-service #:startx startx)))
..
(services (cons* (xfce-desktop-service)
                  (my-slim-service)
                  %desktop-services))

Any ideas, anyone?