I tested this patch a try with two guests:
+ debian bookworm (added a serial port, left display as default, mods from
cyberciti.biz as below):
+ /etc/default/grub
+ ~GRUB_CMDLINE_LINUX='console=tty0 console=ttyS0,19200n8'~
+ ~GRUB_TERMINAL=serial~
+ ~GRUB_SERIAL_COMMAND="serial --speed=19200 --unit=0 --word=8
--parity=no --stop=1"~
+ /etc/inittab
+ ~T0:23:respawn:/sbin/getty -L ttyS0 19200 vt100~
+ /etc/securetty
+ ~ttyS0~
+ debian bookworm (fresh installation, using ~Serial Terminal 0~ as
graphiccard, using non-graphical installer, startup mods from
infosecworrier.dk as below):
+ replace ~quiet~ with ~console=ttyS0,115200n81~
A rough edge I could think of would be, that if one merely adds a
serial port to the hardware configuration on a OS that does not
autosetup serial consoles, one would lose graphical connectivity.
On the setups above this works like a charm!
Tested-by: Daniel Herzig <d.her...@proxmox.com>
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