linux-kernel - Re: ramdisk

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Message-Id: <200709051007.41085.u.luckas@road.de>
Date:	Wed, 5 Sep 2007 10:07:40 +0200
From:	Uli Luckas <u.luckas@...d.de>
To:	LKML <linux-kernel@...r.kernel.org>,
	"linux-os \(Dick Johnson\)" <linux-os@...logic.com>
Cc:	"Xu Yang" <risingsunxy@...glemail.com>
Subject: Re: ramdisk

On Tuesday, 4. September 2007, linux-os (Dick Johnson) wrote:
> On Mon, 3 Sep 2007, Xu Yang wrote:
> > Hi everyone,
> >
> > I want to use ramdisk to boot my filesystem, as I can't use NFS and
> > harddisk.
> >
> > I have load the ramdisk into the ram memory (start address :0x4000000)
> >
> > and in the boot options I specified : root =dev/ram0 initrd=0x4000000
>
> Since you don't know what the default directory is, perhaps
> root should be /dev/ram0. Also, make sure you actually create
> those device nodes in /dev
>
Hey Dick,
where exactly (on which file system) is Xu supposed to create the device 
nodes? ;-)
Xu's problem is, he can't mount his _root_ filesystem in the first place. 
Therefore I doubt it'd help to have some device nodes somewhere ...

Xu,
all answers to your posting commented on your kernel command line. The command 
line you quoted contains "root =dev/ram0".
You probably meant to write "root=/dev/ram0". To not waste our time, please 
clarify if this was a typo before asking further questions.

regards,
Uli

-- 

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Uli Luckas
Software Development

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