linux-kernel - Re: kernel space to user space /bin/sh startup

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Message-ID: <Pine.LNX.4.61.0704111747140.32056@yvahk01.tjqt.qr>
Date:	Wed, 11 Apr 2007 17:47:45 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Tom Strader <tom.strader@...inx.com>
cc:	linux-kernel@...r.kernel.org
Subject: Re: kernel space to user space /bin/sh startup


On Apr 10 2007 11:22, Tom Strader wrote:

>console::sysinit:/etc/init.d/rcS
>console::respawn:/sbin/getty -L 115200 /dev/ttyS0 vt100

>Now I can type on the console and characters are echoed back, pressing
>ctrl-c echoes: "uart_flush_buffer(0) called" so the code is still
>running, but I am not sure where I am or why I see no login prompt or
>shell command line.
>I never see the "mounting filesystems..." echoed to the screen, but the
>code does not stall and no errors are reported by the kernel.  Any help
>during the transition from init/main.c in kernel space to user space
>would be appreciated, so I could debug this further.
>I have looked around and have not seen a solution for my problem, most
>likely due to the fact that I am not entirely sure what the problem is.

Perhaps your terminal program is set to 9600 bps?



Jan
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