RE: nfs boot problem

Mon, 03 Mar 2008 01:17:37 -0800

Hi,

here is the printenv output

 

bootdelay=3

baudrate=115200

bootfile="uImage"

bootcmd=nboot 0x80700000 0 0x400000;bootm

rootpath=/home/confident/workdir/filesys

nfshost=192.168.100.1

bootargs=console=ttyS0,115200n8 noinitrd rw ip=dhcp root=/dev/nfs nfsroot=$(nfshost):$(rootpath),nolock mem=116M

stdin=serial

stdout=serial

stderr=serial

videostd=pal

Environment size: 318/16380 bytes

 

thanks

regds

gopi k


--- On Mon, 3/3/08, Santiago Lanzuela Benedicto <[EMAIL PROTECTED]> wrote:

From: Santiago Lanzuela Benedicto <[EMAIL PROTECTED]>
Subject: RE: nfs boot problem
To: [EMAIL PROTECTED], [EMAIL PROTECTED], [email protected]
Date: Monday, 3 March, 2008, 1:44 PM

Hi

I had the same problem.

Set environment varables in the console like is indicated in step 4.3.5 from getting started guide.

Be careful with Nfshost and rootpath

Regards
De: "Phil Quiney" <[EMAIL PROTECTED]>
Enviado: lunes, 03 de marzo de 2008 9:09
Para: [EMAIL PROTECTED]>, "davinci" <[email protected]
Asunto: RE: nfs boot problem

Hi,
 
Can you post the output of 'printenv' on your DM355?
 
Also the console output would be useful as would an ethereal packet capture of the DHCP transaction.
 
If the nfsroot value is valid then it is likely that the problem is with in the DHCP area. This failure could be a mis-configuration of the DHCP server, the packet capture would help diagnose this. You could try bypassing DHCP by setting the ip= value to set static addresses for ip address, gateway etc.
 
ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>
 
Example:
ip=172.18.1.222:172.18.1.49:172.18.0.254:255.255.0.0:::off
Obviously you will need to change the network values to suit your network & how you come up with an address to use is your problem ;-)
 
Regards
 
Phil Q
 
Phil Quiney, Senior Software Engineer
Trinity Convergence
Cambridge Business Park
Cowley Road
Cambridge CB4 0WZ, UK
T: +44(0)1223-435536
F: +44(0)1223-435560
 

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of kaja gopi
Sent: 01 March 2008 07:13
To: davinci
Subject: nfs boot problem

Hi,

 

My DM355 EVM board was unable to boot through nfs mount.

It was struck in getting dhcp ip.

"DHCP/BOOTP reply not for us" message is coming repeatedly..

sometimes its also giving error like

VFS : cannot open root device "nfs"

Please append a correct "root=" boot option.

kerne panic.

 

Any one has got any idea with the error or am i doing any mistake?

 

thanks

regds

gopi k


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