linux-kernel - Re: Serial console problem in 2.6.21-rc7-mm1 and earlier

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Message-ID: <Pine.LNX.4.64.0704250838360.24504@schroedinger.engr.sgi.com>
Date:	Wed, 25 Apr 2007 08:39:16 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	John Stoffel <john@...ffel.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Andy Whitcroft <apw@...dowen.org>
Subject: Re: Serial console problem in 2.6.21-rc7-mm1 and earlier

On Wed, 25 Apr 2007, John Stoffel wrote:

> Christoph> I use a serial console on my x86_84 box. For a while now I
> Christoph> can see all output but I cannot type any
> Christoph> characters. /dev/console broke?
> 
> I've sorta seen this problem too, but with gdm.  If I have my kernel
> line setup like this:
> 
> 	... console=tty0 console=ttyS0,9600n8
> 
> I have to stop and restart gdm (or switch to the XDMCP chooser and
> back) to get keyoard access.  Wierd. 
> 
> Christoph> Simple WAR is to ssh into the box and I was usually too
> Christoph> focused on other issues to do something about it.
> 
> Are you trying to access an X login prompter, or just a plain Virtual
> Console tty?

No X on the machine. And this is a serial console that works fine with 
2.6.21-rcX.

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