Have a look at the changelogs:
Looks like it could be a DRM issue. Which graphics hardware and driver
stack are you using?
On Fri, Feb 23, 2018 at 10:39 PM, David Rosenstrauch <dar...@darose.net>
> Ran into a weird issue today. I upgraded a bunch of packages, including
> the kernel to v4.15.4-1 (from 4.15.3-1). But for some reason the system
> was un-bootable. The boot process would get part-way through, then the
> booting screen would suddenly start showing its text on a green background
> (rather than black) and it would freeze.
> It took some jumping through hoops, but I was eventually able to boot to a
> chroot environment, upgrade to a newer kernel (v4.15.5-1) and suddenly the
> problem magically went away and my machine boots fine.
> Anyone have any idea what might have happened here? I'm assuming it was a
> bad kernel build, but I'd like to know for sure. I didn't see any recent
> bugs under the "linux" kernel package that matched what I was seeing.