I've installed Ubuntu 19.04 on a NETBOX nT-435/535 and no login screen displayed whenever the VGA is connected to LG monitor.
Created attachment 280927 [details]
LVDS & VGA status
Please file i915 bugs to https://bugs.freedesktop.org
Are you sure about that? This is a kernel bug, not a Mesa bug.
What Freedesktop project would it be assigned to?
Yes I am sure.
Please report the bug on: https://bugs.freedesktop.org
For several years now the one and only place to file drm/i915 bug has been