netdev - Re: STMMAC driver: NFS Problem on 2.6.37

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Date:	Fri, 14 Jan 2011 10:35:11 -0500
From:	Chuck Lever <chuck.lever@...cle.com>
To:	deepaksi <deepak.sikri@...com>
Cc:	Armando VISCONTI <armando.visconti@...com>,
	"Trond.Myklebust@...app.com" <Trond.Myklebust@...app.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>,
	Shiraz HASHIM <shiraz.hashim@...com>,
	Viresh KUMAR <viresh.kumar@...com>,
	Peppe CAVALLARO <peppe.cavallaro@...com>,
	Amit GOEL <amit.goel@...com>
Subject: Re: STMMAC driver: NFS Problem on 2.6.37


On Jan 14, 2011, at 4:56 AM, deepaksi wrote:

> The nfs work fine when you use the dhcp server, but still it is a
> totally different proposition. The problem comes when we assign a static
> IP in the bootargs, and then try to boot the system using NFS. here is
> the bootargs setting at the u-boot.
> 
> bootargs = console=ttyAMA0,115200 mem=128M root=/dev/nfs
> nfsroot=192.168.1.1:/opt/STM/STLinux-2.3/devkit/arm/target
> ip=192.168.1.10:192.168.1.1:192.168.1.1:255.255.255.0::eth0
> 
> These settings have been working fine for earlier kernels. The tcp dump
> while doing the nfs boot is quite different between the 2.6.32 and
> 2.6.37 kernels.

Have you tried any kernel versions between 2.6.32 and 2.6.37?  I made significant changes in 2.6.36, so it would be helpful to know when this stopped working.

Also, in 2.6.36, I added a new debugging feature for NFSROOT.  See "nfsrootdebug" description in Documentation/filesystems/nfs/nfsroot.txt.

-- 
Chuck Lever
chuck[dot]lever[at]oracle[dot]com




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