From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arnd Bergmann <arnd@arndb.de>
Subject: Re: debug tip after earlycon is closed?
Date: Wed, 27 Jul 2016 09:32:51 +0200
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To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Peter Hurley <peter@hurleysoftware.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Rob Herring <robh+dt@kernel.org>, linux-serial@vger.kernel.org, linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
List-Id: linux-serial@vger.kernel.org

On Wednesday, July 27, 2016 10:23:09 AM CEST Masahiro Yamada wrote:
> [    0.000004] sched_clock: 56 bits at 50MHz, resolution 20ns, wraps
> every 4398046511100ns
> [    0.008254] Console: colour dummy device 80x25
> [    0.012700] console [tty0] enabled
> [    0.016110] bootconsole [uniphier0] disabled

I assume that the original console is on a uart, while the new console
appears to be on the framebuffer. Maybe you have no screen attached?

	Arnd