@@ -78,7 +78,9 @@ If no console device is specified, the first device found capable of
acting as a system console will be used. At this time, the system
first looks for a VGA card and then for a serial port. So if you don't
have a VGA card in your system the first serial port will automatically
-become the console.
+become the console, unless the kernel is configured with the
+CONFIG_NULL_TTY_DEFAULT_CONSOLE option, then it will default to using the
+ttynull device.
You will need to create a new device to use ``/dev/console``. The official
``/dev/console`` is now character device 5,1.
From: Adam Simonelli <adamsimonelli@gmail.com> When the kernel is compiled with CONFIG_NULL_TTY_DEFAULT_CONSOLE and no console= options are selected, it defaults to using the ttynull device. --- Documentation/admin-guide/serial-console.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)