On Fri, May 1, 2020 at 2:11 PM Alper Nebi Yasak <alpernebiyasak@xxxxxxxxx> wrote: > On 01/05/2020 04:30, Sergey Senozhatsky wrote: > I'm assuming "by default" here means "without console arguments" > regardless of firmware requests. This paragraph (with small changes) is > repeated on many other Kconfig descriptions (drivers/tty/serial/Kconfig, > drivers/tty/serial/8250/Kconfig, arch/sparc/Kconfig from grepping for > '/dev/tty0' on **/Kconfig). > > From Documentation/admin-guide/serial-console.rst: > > > You can specify multiple console= options on the kernel command line. > > [...] > > Note that you can only define one console per device type (serial, video). > > > > 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. > > and later on: > > > Note that if you boot without a ``console=`` option (or with > > ``console=/dev/tty0``), ``/dev/console`` is the same as ``/dev/tty0``. > > In that case everything will still work. I'm wondering if behaviour is changed if you put console=tty1 instead of console=tty0. -- With Best Regards, Andy Shevchenko
