nfs mounting problem

Manjunath AM Manjunath.AM at
Wed Jan 31 05:41:40 EST 2007

Thanks for the inputs,
We are still in the process of debugging the nfs mounting for our target 
there were Tx clock and Rx clock pins  in our board were different as 
compared to MPC8272ADS board and we configured  PC_F2RXCLK and PC_F2TXCLK 
macro,s accordingly in \arch\ppc\8260_io\fcc_enet.c.
still nfs is not up.. same error " Root-NFS: Server returned error -5 
while mounting /opt/montavista/pro/devkit/ppc//82xx/target" is comming up.

We verified " immr->im_cpmux.cmx_fcr = 0x2c0000" reg value both in 
bootloader and kernel, both are same but ethernet works in u-boot and does 
not work in kernel.
Please suggest how we can attack this problem.
Manjunath AM

Andre Haupt <haupt.andre at> 
Sent by: at
01/24/2007 01:40 PM

Scott Wood <scottwood at>
kernelnewbies at, linuxppc-embedded at, Manjunath AM 
<Manjunath.AM at>
Re: nfs mounting problem

Scott Wood wrote:
> Andre Haupt wrote:
>> Also what seems a bit odd to me is that your dmesg shows no rootpath
>>  IP-Config: Complete:
>>       device=eth1, addr=, mask=, 
>> gw=,
>>      host=cashel, domain=, nis-domain=(none),
>>      bootserver=, rootserver=, rootpath=
>> On my system the complete root path is printed here.
> I don't think I've ever seen the root path printed there (with nfsroot 
> otherwise working), so I don't think that's the problem...  From 
> looking at the code, it seems that the root path received from BOOTP 
> is stored in a different variable than the path from the nfsroot boot 
> option, and it's the former that gets printed there.
Ahh, ok. I am using BOOTP, so this has nothing to do with Manjunaths 
problem. Thanks for clarification.


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