From: Arnd Bergmann <arnd@arndb.de>
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>
Subject: Re: debug tip after earlycon is closed?
Date: Wed, 27 Jul 2016 09:32:51 +0200 [thread overview]
Message-ID: <3860396.RT1mlU0LAT@wuerfel> (raw)
In-Reply-To: <CAK7LNASrqbt+RzD64zcAMjmBjJqa2sc2UG+mnEX8npZ9DBJodQ@mail.gmail.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: debug tip after earlycon is closed?
Date: Wed, 27 Jul 2016 09:32:51 +0200 [thread overview]
Message-ID: <3860396.RT1mlU0LAT@wuerfel> (raw)
In-Reply-To: <CAK7LNASrqbt+RzD64zcAMjmBjJqa2sc2UG+mnEX8npZ9DBJodQ@mail.gmail.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Peter Hurley <peter@hurleysoftware.com>,
Rob Herring <robh+dt@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-serial@vger.kernel.org,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: debug tip after earlycon is closed?
Date: Wed, 27 Jul 2016 09:32:51 +0200 [thread overview]
Message-ID: <3860396.RT1mlU0LAT@wuerfel> (raw)
In-Reply-To: <CAK7LNASrqbt+RzD64zcAMjmBjJqa2sc2UG+mnEX8npZ9DBJodQ@mail.gmail.com>
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
next prev parent reply other threads:[~2016-07-27 7:32 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-27 1:23 debug tip after earlycon is closed? Masahiro Yamada
2016-07-27 1:23 ` Masahiro Yamada
2016-07-27 2:17 ` Sebastian Reichel
2016-07-27 2:17 ` Sebastian Reichel
2016-07-27 3:26 ` Masahiro Yamada
2016-07-27 3:26 ` Masahiro Yamada
2016-07-27 7:32 ` Arnd Bergmann [this message]
2016-07-27 7:32 ` Arnd Bergmann
2016-07-27 7:32 ` Arnd Bergmann
2016-07-28 2:08 ` Masahiro Yamada
2016-07-28 2:08 ` Masahiro Yamada
2016-07-28 7:44 ` Arnd Bergmann
2016-07-28 7:44 ` Arnd Bergmann
2016-07-28 12:20 ` Russell King - ARM Linux
2016-07-28 12:20 ` Russell King - ARM Linux
2016-08-08 9:08 ` Rabin Vincent
2016-08-08 9:08 ` Rabin Vincent
2016-08-12 3:44 ` Masahiro Yamada
2016-08-12 3:44 ` Masahiro Yamada
2016-08-12 3:44 ` Masahiro Yamada
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