Testing done. The grub-to-plymouth corruption is not present in the upstream kernel, but that's just because the upstream kernel ignores the vt.handoff parameter, if I understand correctly. The second monitor still does not come up with the upstream kernel.
Testing done. The grub-to-plymouth corruption is not present in the upstream kernel, but that's just because the upstream kernel ignores the vt.handoff parameter, if I understand correctly. The second monitor still does not come up with the upstream kernel.