From mboxrd@z Thu Jan  1 00:00:00 1970
From: horserivers@gmail.com (horseriver)
Date: Wed, 6 Feb 2013 12:30:37 +0800
Subject: hard disk dirver
In-Reply-To: <83014.1360136147@turing-police.cc.vt.edu>
References: <20130205185311.GD2464@debian.localdomain>
	<67823.1360126289@turing-police.cc.vt.edu>
	<20130205213741.GA3209@debian.localdomain>
	<83014.1360136147@turing-police.cc.vt.edu>
Message-ID: <20130206043037.GB2474@debian.localdomain>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

On Wed, Feb 06, 2013 at 02:35:47AM -0500, Valdis.Kletnieks at vt.edu wrote:
> On Wed, 06 Feb 2013 05:37:41 +0800, horseriver said:
> >   After grub load kernel and initrd , it get around root filesystem mounting ,
> >   but failed with no finding root device ,from which kernel and initrd have been
> >   located .
> >
> >   ls /dev/ ;  there is no disk device node  .
> >
> >   Why?
> 
> Any number of possible reasons, anything from an improperly configured
> kernel, to a misbuilt initrd, to a root= parameter that points 

  root = ?   You mean the aasignment at grub command line  ?

  thanks!