[fedora-arm] Raspberry 3, latest RC and serial

[Alessio Ciregia]

Someone has tested the latest RC of the Minimal image on the RPi3 using the
serial console?
Maybe I'm wrong, but it doesn't work as in previous composes was. It stops
printing on the serial console as soon as the kernel is loaded. The append
line in the extlinux.conf file seems ok.

Tomorrow I will try again. In the meanwhile could someone confirm that it
works?

Thanks
A.

[Peter Robinson]

Post by Alessio Ciregia
Someone has tested the latest RC of the Minimal image on the RPi3 using the
serial console?
Maybe I'm wrong, but it doesn't work as in previous composes was. It stops
printing on the serial console as soon as the kernel is loaded. The append
line in the extlinux.conf file seems ok.

There was a change/regression where you need to specify ttyS1 for the
console, not S0, I believe it should work fine for that, I think I
know what the issue is but I'm traveling this week in endless meetings
so I've not had time to verify my theory as to why that is

Post by Alessio Ciregia
Tomorrow I will try again. In the meanwhile could someone confirm that it
works?
Thanks
A.
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[Alessio Ciregia]

Indeed, adding "console=tty0 console=ttyS1,115200" to the append line in
extlinux.conf, now the serial connection works.
But initial-setup, even if the answers appears in the serial interface,
doesn't work: in reality there is a login screen.
Here you can find a screencast to better understand:
https://alciregi.fedorapeople.org/webm/rpi3serial.webm
Using the hdmi monitor and the keyboard, initial setup works.

Ciao

Post by Alessio Ciregia

Post by Alessio Ciregia
Someone has tested the latest RC of the Minimal image on the RPi3 using

the

Post by Alessio Ciregia
serial console?
Maybe I'm wrong, but it doesn't work as in previous composes was. It

stops

Post by Alessio Ciregia
printing on the serial console as soon as the kernel is loaded. The

append

Post by Alessio Ciregia
line in the extlinux.conf file seems ok.

There was a change/regression where you need to specify ttyS1 for the
console, not S0, I believe it should work fine for that, I think I
know what the issue is but I'm traveling this week in endless meetings
so I've not had time to verify my theory as to why that is

Post by Alessio Ciregia
Tomorrow I will try again. In the meanwhile could someone confirm that it
works?
Thanks
A.
_______________________________________________

[Paul Whalen]

----- Original Message -----

Post by Alessio Ciregia
Indeed, adding "console=tty0 console=ttyS1,115200" to the append line in
extlinux.conf, now the serial connection works.
But initial-setup, even if the answers appears in the serial interface,
doesn't work: in reality there is a login screen.
https://alciregi.fedorapeople.org/webm/rpi3serial.webm
Using the hdmi monitor and the keyboard, initial setup works.

Thanks for all the testing Alessio!

With our Beta release already delayed, I think we need to document using
the display to configure initial setup for the Raspberry Pi 3 (which is
what most users will do) and get this fixed for final.

Initial-setup over serial works on all other hardware tested.

Paul

Post by Alessio Ciregia
Ciao

Post by Alessio Ciregia
Someone has tested the latest RC of the Minimal image on the RPi3 using the
serial console?
Maybe I'm wrong, but it doesn't work as in previous composes was. It stops
printing on the serial console as soon as the kernel is loaded. The append
line in the extlinux.conf file seems ok.

There was a change/regression where you need to specify ttyS1 for the
console, not S0, I believe it should work fine for that, I think I
know what the issue is but I'm traveling this week in endless meetings
so I've not had time to verify my theory as to why that is

Post by Alessio Ciregia
Tomorrow I will try again. In the meanwhile could someone confirm that it
works?
Thanks
A.
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To unsubscribe send

[Peter Robinson]

Post by Alessio Ciregia
Indeed, adding "console=tty0 console=ttyS1,115200" to the append line in
extlinux.conf, now the serial connection works.
But initial-setup, even if the answers appears in the serial interface,
doesn't work: in reality there is a login screen.
https://alciregi.fedorapeople.org/webm/rpi3serial.webm
Using the hdmi monitor and the keyboard, initial setup works.

https://github.com/rhinstaller/initial-setup/pull/41

That PR should fix it, you can test it easily on an existing image by
editing the initial-setup.service adding ttyS1 to it

Post by Alessio Ciregia

Post by Peter Robinson

Post by Alessio Ciregia
Someone has tested the latest RC of the Minimal image on the RPi3 using the
serial console?
Maybe I'm wrong, but it doesn't work as in previous composes was. It stops
printing on the serial console as soon as the kernel is loaded. The append
line in the extlinux.conf file seems ok.

There was a change/regression where you need to specify ttyS1 for the
console, not S0, I believe it should work fine for that, I think I
know what the issue is but I'm traveling this week in endless meetings
so I've not had time to verify my theory as to why that is

Post by Alessio Ciregia
Tomorrow I will try again. In the meanwhile could someone confirm that it
works?
Thanks
A.
_______________________________________________

_______________________________________________

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[Alessio Ciregia]

Post by Peter Robinson
There was a change/regression where you need to specify ttyS1 for the
console, not S0, I believe it should work fine for that, I think I
know what the issue is but I'm traveling this week in endless meetings
so I've not had time to verify my theory as to why that is

Another observation.
Burning the Minimal image, inserting it in the RPi3 and booting it with the
serial "cable" connected, serial communication works even if I have not
"enabled" it in config and extlinux.

Ciao
A.

[Peter Robinson]

Post by Alessio Ciregia

Post by Peter Robinson
There was a change/regression where you need to specify ttyS1 for the
console, not S0, I believe it should work fine for that, I think I
know what the issue is but I'm traveling this week in endless meetings
so I've not had time to verify my theory as to why that is

Another observation.
Burning the Minimal image, inserting it in the RPi3 and booting it with the
serial "cable" connected, serial communication works even if I have not
"enabled" it in config and extlinux.

The kernel could see the serial port anyway due to the DT, and the
kernel might get the option automatically by the bootargs or console
options from the firmware although I'm guessing here.
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