From owner-freebsd-hackers  Sun Jul  2 17:10:35 2000
Delivered-To: freebsd-hackers@freebsd.org
Received: from ns3.khmere.com (d83b56af.dsl.flashcom.net [216.59.86.175])
	by hub.freebsd.org (Postfix) with ESMTP
	id 17A1A37B7BF; Sun,  2 Jul 2000 17:10:30 -0700 (PDT)
	(envelope-from nathan@khmere.com)
Received: from khmere.com (ns2.khmere.com [216.59.86.176])
	by ns3.khmere.com (8.9.3/8.8.7) with ESMTP id RAA35602;
	Sun, 2 Jul 2000 17:13:31 -0700 (PDT)
Message-ID: <395FD9F1.84B67DE9@khmere.com>
Date: Sun, 02 Jul 2000 17:10:26 -0700
From: nathan@khmere.com
X-Mailer: Mozilla 4.73 [en] (X11; U; Linux 2.2.15 i586)
X-Accept-Language: en
MIME-Version: 1.0
To: "freebsd-net@FreeBSD.ORG" <freebsd-net@FreeBSD.ORG>,
	"hackers@FreeBSD.ORG" <hackers@FreeBSD.ORG>
Subject: Re: loader ??? Awwww... come on someone must know !!!
References: <395D7D2B.48B90842@khmere.com>
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

nathan@khmere.com wrote:

> I have FreeBSD 4.0-RELEASE (on i386)
>
> What I am trying to do is  nfs  root  boot from the loader (?)
> I do:
>
> ok> unload kernel
> ok> load diskless_kernel
> ok> set kernel=diskless_kernel
> ok> boot -r -h
>
> Now what I understand is the -r flag will tell the kernel to overide the
> rootdev and use the "staticly linked device" from when you made the
> kernel ?
>
> Now my kernel  (the diskless_kernel ) is a diskless kernel ( with BOOTP,
> NFS_ROOT .... etc.. ) compiled in.
> But when I boot like this is just tries to mount /dev/ad0s1a ... (normal
> device ) even though it gets the proper reply from the bootp server that
> its rootfs=<nfs mount> it even prints :
>
> rootfs is <my nfs mount >
> Mounting  root from ufs:/dev/ad0s1a
>
> but still mounts the ufs !
>
> How do if force it to boot root fs on nfs  ?
>
> I have tried to do a boot -a then when I prompts me for root fs I enter
> the proper nfs mount and it is cool ...... but I need it to do it with
> out promting...
>
> I have tried to :
>
> ok> set rootdev=nfs:<my nfs server ip : mount >
> ok> boot -h
> ok> can't determine root device
>
> I have also passed it kernel flags ?  (mybe wrong ones ... ? )
>
> Now I have looked at the /usr/src/sys/boot/i386/libi386/bootinfo.c  and
> I see where it checks the roodev to see if it is proper .....
> but I cannot determine what type of device I can name so that this will
> not die on me ???
> set  rootdev=???
>
> how do I have the kernel to load the nfs root instead of use the currdev
> ?
>
> What does etherboot do when it loads  the kernel ? does it pass it
> special parameters ??
>
> If you are wondering why I just don't boot from etherboot ....etc...(I
> do ) but...  I want to be able to boot  my remote systems without a
> floppie and chose how to boot from loader (via serail console ...I don't
> have serial access for the bios but I can get serial console with
> FreeBSD !! ). Either default (use local drive) or load the diskless
> kernel , then boot  diskless.
> This way I almost the same options ..... and maybe automate it...
>
> Any help would be great !!
>
> thank you kindly....
>
> nathan
>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-net" in the body of the message



To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message