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Date: Mon, 25 Sep 2006 01:00:58 -0600
From: "Grant Likely" <grant.likely@secretlab.ca>
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To: "Andersson Tord" <Tord.Andersson@combitech.se>
Subject: Re: Lite5200 NFS mount issue
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On 9/21/06, Andersson Tord <Tord.Andersson@combitech.se> wrote:
> Hi,
>
> I have some additional information on the problems we had with NFS on the Lite5200 card and the
> 2.4.25 kernel (DENX linuxppc_2_4_devel 2006-04-06) .
> When analyzing the IP traffic with Etherreal, it was seen that the problems were
> caused by loss of fragmented IP-packets. When the IP fragmentation was removed by forcing NFS's
> UDP size to less than the Ethernet MTU size, the problems disappeared.
> We used the kernel NFS argument option to this effect;
>
>         nfsroot=${serverip}:${rootpath},rsize=1024,wsize=1024

After having similar problems, I've had good luck by forcing nfs to
use tcp by appending ',tcp' to the nfsroot= argument.

g.


-- 
Grant Likely, B.Sc. P.Eng.
Secret Lab Technologies Ltd.
grant.likely@secretlab.ca
(403) 399-0195