From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: Re[2]: USB serial support / Prolific PL2303 Driver Date: Mon, 8 Apr 2013 09:29:45 -0700 Message-ID: <20130408162945.GA26133@kroah.com> References: <20130408150351.GA13824@kroah.com> <1365433602.618685252@f30.mail.ru> <20130408160351.GB12665@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-da0-f51.google.com ([209.85.210.51]:35728 "EHLO mail-da0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934779Ab3DHQ37 (ORCPT ); Mon, 8 Apr 2013 12:29:59 -0400 Received: by mail-da0-f51.google.com with SMTP id g27so2670529dan.38 for ; Mon, 08 Apr 2013 09:29:58 -0700 (PDT) Content-Disposition: inline In-Reply-To: Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Hans =?iso-8859-1?Q?Beck=E9rus?= Cc: Alexander Shiyan , linux-serial@vger.kernel.org On Mon, Apr 08, 2013 at 06:20:23PM +0200, Hans Beck=E9rus wrote: > Sure, dmesg will show me the details, but I would really like to have > it in real-time ;) Actually when I set console=3DttyUSB0,115200 all I > get is the prompt :( Nothing comes out from the boot, and it does not > seem to act as a real console either since any thing that usually pop= s > up there are only showing in dmesg now. Do I need to configure the > kernel in some specific way to support USB console mode? You do have: CONFIG_USB_SERIAL_CONSOLE enabled, right? USB starts as one of the last things in the kernel boot process, so the best you can ever get is a summary of what happened during the boot, no= t the kernel boot messages as they happen because they happen before the USB device is initialized. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial"= in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html