New Dell XPS 7390 do not work with CI kernel config
In order to get it booting you need to have intel-lpss-pci compiled as module and in the boot we need to blacklist is with modprobe.blacklist=intel_lpss_pci to get drm-tip kernel booting.
See also discussions on eg. https://askubuntu.com/questions/1179924/ubuntu-boot-hangs-on-dell-xps-13-7390-2-in-1-with-intel-i7-1065g7
Edited by Jani Saarinen