Where is serial console going?

robodan65 · Posted at 6/12/2018 07:03:51

When running Ubuntu Linux on the Firefly-rk3399, where is the serial console going?
I see a process running that looks like a serial console:
$ ps ax | grep agetty
/sbin/agetty --keep-baud 115200 38400 9600 ttyFIQ0 vt220

Is that the serial debug port?
When I connect to that, I don't see anything.

Dan

leung先森 · Posted at 6/13/2018 11:07:24

Be concern about baud rate.
http://en.t-firefly.com/doc/product/info/264.html

robodan65 · Posted at 6/14/2018 00:31:04

I was able to see the data when it had the Android image installed.

Even if the baud rate is wrong, I should see garbage; but I get nothing.

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[Linux] Where is serial console going?

【Linux】 Where is serial console going?