From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752909AbcG0Hdn (ORCPT ); Wed, 27 Jul 2016 03:33:43 -0400 Received: from mout.kundenserver.de ([217.72.192.73]:63421 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753531AbcG0Hdb (ORCPT ); Wed, 27 Jul 2016 03:33:31 -0400 From: Arnd Bergmann To: Masahiro Yamada Cc: Linux Kernel Mailing List , Peter Hurley , Rob Herring , Greg Kroah-Hartman , linux-serial@vger.kernel.org, linux-arm-kernel Subject: Re: debug tip after earlycon is closed? Date: Wed, 27 Jul 2016 09:32:51 +0200 Message-ID: <3860396.RT1mlU0LAT@wuerfel> User-Agent: KMail/5.1.3 (Linux/4.4.0-28-generic; KDE/5.18.0; x86_64; ; ) In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:GmTmE/ZZY/X1l59IUX9Z9AbMcgdwnVQrJvZYo553MGer2TFiPCM CwbWKzoG+4Eir9H+d7Q7+gv/szlJ3OFy5Qn+2FNe4hjMV+3qcNwmbYvy25Rt7XyhNw1O4d8 +552sCODvLrYuYkPqkGvl4fo5lTlT/T5f/Eh26jp2NSCXyo7gE/uDc9mhuhg8KEXsSypXed JXIhqXo9U8dZ3+TYyLZig== X-UI-Out-Filterresults: notjunk:1;V01:K0:6Q+pU/25uSE=:eCN8/olg4NFznfPENqf7H5 of7TqwYA0KSLcqBK90A+/BH7g4a4iOmBD5s+vH5obYGT9FovzJXthkabl22/ZjvWX+MpYRDy8 +QYWRC+5+CJa+dQ2fbKQU4vTHpzfoXiucfUmdyLRpJ/uISYLVXVS1EXWvlev2Sb0H+Dok5rjz F1vuAftpc36jl5FWKJeFhUgYuXeAYZ9/tzarslNTYsHFwrL6pGxdL+mXOleIRe1Bq8bup3/EX DHGy3tkRJTbw+r3YQby8T4tskNncf5jSM3gmlS5aFAZxWtCP3gob8iFwzhw8alRhjDMVnm6nc 7up1Jq5pY/5TDUv+qiacyPp+17oEQDq1gt+j7yFmMgZYxCDzvwJliTbdrEOCoBJGQTNZ6BWRO GdmeRJVLYII2bXqkpA2sZ6nJvgzGTw71157qvQIbHzrmxH6kqfUqw8X8xzU860iTVemJ42iko J9M/qo3YyPlICdD9x1Q5qy7Uvrdk01MHYVgLNXTZhaJkzIjQhm/l9+ElgN5UZHHWvNIMYsrVw erBK0IDtTH4VgcKir5tzHN7wRHPHEepx7ED5Fc0YK4/BvT6LmjA6nid5/2gLIakM+1JUNV6qh w9R629qWFolt0IiTv8BNj9mtEe2VyoEe7JyaAgur49hYRnbzZdhaUEOplE0mlzJHVFj02xOBz 6LMLv7VCMuCOyVq4tBOo7oOCpvf3GQxOnYfIUK/WHDNfa/K1XSxUlVKgayyOWYwZPZ42sgxmU bLf///gMPH1eMhbk Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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