On Thu, 24 Dec 2015 07:59:26 +0100, R. W. Rodolico rodo@dailydata.net wrote:
I have looked around for any reference to a serial console in the grub configurations (in /etc and in /boot/grub) but see no references to a serial console in either of them.
Have you checked "/etc/default/grub"? There should be something like "console=ttyS0,115200n8" for "GRUB_CMDLINE_LINUX" afair.
hth, Lars