Ubuntu seem to have a problem when the SeaBIOS payload doesn't re-run the video BIOS. Some SeaBIOS payload, like the John Lewis one, reuses the existing framebuffer vs re-initializing using the VGA BIOS.
https://bugs.launchpad.net/ubuntu/+source/gfxboot-theme-ubuntu/+bug/1530530/comments/5
Ubuntu seem to have a problem when the SeaBIOS payload doesn't re-run the video BIOS. Some SeaBIOS payload, like the John Lewis one, reuses the existing framebuffer vs re-initializing using the VGA BIOS.
https:/ /bugs.launchpad .net/ubuntu/ +source/ gfxboot- theme-ubuntu/ +bug/1530530/ comments/ 5