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From: "Dr. Rolf Jansen" <rj@obsigna.com>
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Subject: Serial console of 12.0-ALPHA3 fiddles with the terminal colors
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Date: Mon, 27 Aug 2018 20:08:49 -0300
To: freebsd-arm <freebsd-arm@FreeBSD.org>
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Hello,

I updated my BeagleBone Black to 12.0-ALPHA3, and now, when booting, the =
serial console behaves differently (I use cu from a Mac Terminal via a =
FDTI/USB adapter).

When it comes to "Loading kernel...", the terminal color is inverted, =
instead of maintaining the usual black on white, all over the sudden =
everything is displayed in white on black. And more seriously, the =
logging before loading the kernel, is deleted, which means I cannot see =
the diagnostics of the u-boot loader.

Is there any setting, to prevent the serial console manipulates color =
and content of a terminal session?

Best regards

Rolf=