Prev: linux-next: manual merge of the staging-next tree with the v4l-dvb tree
Next: [RFC PATCH 3/6] fuse: use get_user_pages_fast()
From: Alexander Clouter on 28 Apr 2010 12:10
Graeme Russ <graeme.russ(a)gmail.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.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo(a)vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
 | 
Pages: 1
Prev: linux-next: manual merge of the staging-next tree with the v4l-dvb tree
Next: [RFC PATCH 3/6] fuse: use get_user_pages_fast()