[Buildroot] Problems with generating an x86 Image

Thomas De Schampheleire patrickdepinguin at gmail.com
Wed Mar 3 16:31:00 UTC 2021

Hi Lukas,

On Wed, Mar 3, 2021, 17:16 Lukas Hecht <mixolydisch at gmx.de> wrote:

> Hi Thomas,
> maybe this idea could lead in the right direction. The process takes
> about 12 seconds from leaving grub till stopping to boot, which sounds
> about right to me for such a basic system.
> I did not change anything on the getty, etc/inittab shows:
> tty1::respawn:/sbin/getty -L tty1 0 vt100 # GENERIC_SERIAL
> My hardware has three serial ports but i don't know any more details
> about these at the moment.

Is it really a serial port? In that case I would expect ttyS0, ttyS1, ...
instead of tty0, tty1, ...

Also the baud rate will normally need to be specified.

Have a look at the corresponding option under the System menu in menuconfig.

> Is there an easy way (like with booting a live ubuntu) to find out if
> tty1 is the right one?

A basic approach is to open a getty on all tty's, by adding multiple getty
lines in /etc/inittab, each time for a different tty.

Best regards
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