linux-kernel - Re: Request For Help - Embedded x86, Kernel 2.6.33 boots, Mounts JFFS2 rootfs, Stops at init

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Date:	Wed, 28 Apr 2010 16:37:00 +0100
From:	Alexander Clouter <alex@...riz.org.uk>
To:	linux-kernel@...r.kernel.org
Subject: Re: Request For Help - Embedded x86, Kernel 2.6.33 boots, Mounts JFFS2 rootfs, Stops at init

Graeme Russ <graeme.russ@...il.com> wrote:
> 
> I've been working for a while now getting the x86 U-Boot port up to speed
> to boot a linux kernel
>
...ewww x86.
 
> [snipped]
>
> [    1.911896] Write protecting the kernel read-only data: 596k
> [    1.915842] kernel_execve(/sbin/init)
> 
> (I've added a printk in kernel_execve() which gives me the last line)
> 
> I  initially had hot-plug support compiled into the kernel and was getting
> a lot of kernel_execve(/sbin/hotplug) messages as well (plus a udev:
> starting version 151 message which appear 100+ seconds and the above
> messages), but I have since removed that and used mknod to create
> /dev/ttyS0 directly
> 
> I have also tried the following test script:
> 
> #!/bin/bash
> stty -F /dev/ttyS0 115200
> cat hello > /dev/ttyS0
> 
> but still no luck
> 
> Does anyone have any advise on how I can debug this problem?
> 
What does you /dev directory look like?  You need to have at least the 
following:
----
mknod console c 5 1
mknod null c 1 3
mknod ttyS0 c 4 64
----

Cheers

-- 
Alexander Clouter
.sigmonster says: Your love life will be... interesting.

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