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From: Ed Maste <emaste@freebsd.org>
Date: Mon, 19 Oct 2015 11:15:14 -0400
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Subject: Re: Testing the new i915 driver
To: Arto Pekkanen <isoa@kapsi.fi>
Cc: "freebsd-x11@freebsd.org" <freebsd-x11@freebsd.org>
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On 18 October 2015 at 21:11, Arto Pekkanen <isoa@kapsi.fi> wrote:
> I did 'lspci -lbcev' and found an unattached device that had the word UART in the specs. The io-range of the device started at 0x50b0.
>
> So I put in my /boot/loader.conf
> console="comconsole"
> comconsole_port="0x50b0"
> hw.uart.console="io:0x50b0,br:115200"
>
> just like you instructed and, yeah, I got SOL working! Really cool. Now I can capture console output with amtterm even if system won't even boot.
>
> Thank you a lot for the instructions! :)

My pleasure.  I'm glad that it works for you; debugging on a modern
laptop can be quite difficult otherwise.

There's one nit to sort out (comconsole_pcidev not working as
expected), and we should look at putting together some clear
documentation on setting up and using amtterm.