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From: Keith Owens <kaos@ocs.com.au>
To: linux-kernel@vger.kernel.org
Subject: Re: writing to serial console 
In-reply-to: Your message of "Thu, 04 Jul 2002 10:14:50 EST."
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Date: Fri, 05 Jul 2002 08:32:16 +1000
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On Thu, 04 Jul 2002 10:14:50 -0500, 
"Lee Chin" <leechin@mail.com> wrote:
>I'm trying to write status messages to the serial console as the kernel boots up.  I tried writing to ttyS0 in main.c, but the kernel crashes with a paging violation.  Is there an easy way to do this?

printk() and a serial console.  Console output does not occur until
console_init().  To debug problems that occur before console_init(),
see these patches.

http://marc.theaimsgroup.com/?l=linux-kernel&m=101072840225142&w=2
http://marc.theaimsgroup.com/?l=linux-kernel&m=102386369913669&w=2

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