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From: Rob Landley <rob@landley.net>
To: Robert Schwebel <r.schwebel@pengutronix.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: initramfs for /dev/console with udev?
Date: Wed, 2 Nov 2005 21:40:24 -0600	[thread overview]
Message-ID: <200511022140.25268.rob@landley.net> (raw)
In-Reply-To: <20051102222030.GP23316@pengutronix.de>

On Wednesday 02 November 2005 16:20, Robert Schwebel wrote:
> Hi,
>
> If I understand Documentation/early-userspace/README correctly it should
> be possible to solve the "unable to open an initial console" problem by
> using a file like
>
> dir /dev 0755 0 0
> nod /dev/console 0600 0 0 c 5 1
> nod /dev/null 0600 0 0 c 1 3
> dir /root 0700 0 0
>
> and let CONFIG_INITRAMFS_SOURCE point to that file. The gpio archive is
> built correctly with that, but my kernel doesn't seem to use it.

1) You have no init in initramfs, so it goes ahead and mounts whatever root= 
points to over it.  I'm guessing that's where it's looking for /dev/console 
from.

2) What's the directory /root for?

> Is anything else needed to use an initrd, like a command line argument?
> My kernel boots from a nfs partition, so it sets nfsroot=...

Note that initramfs and initrd and very different things.

> As I still get the "unable to open an initial console" message it looks
> like the initramfs is not extracted, mounted or however that works.
>
> Robert

Rob

  reply	other threads:[~2005-11-03  3:40 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-02 22:20 initramfs for /dev/console with udev? Robert Schwebel
2005-11-03  3:40 ` Rob Landley [this message]
2005-11-03  6:47   ` Robert Schwebel
2005-11-03 17:38     ` Rob Landley
2005-11-03 18:51       ` Robert Schwebel
2005-11-03 19:13         ` Rob Landley
2005-11-03 19:57           ` Roland Dreier
2005-11-03 21:00             ` Rob Landley
2005-11-03 21:29             ` Rob Landley
2005-11-04 21:39               ` Martin Schlemmer
2005-11-04 23:10                 ` Rob Landley
2005-11-04 23:11                   ` Rob Landley
2005-11-05  0:26                   ` Martin Schlemmer
2005-11-05  2:56                     ` Rob Landley
2005-11-03 21:41             ` Rob Landley

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