Re: !!!checksum problem of network boot image for linux!!!

Hello Jan,

the missing pieces were the missing kernel options "CONFIG_ROOT_NFS",  
"CONFIG_IP_PNP_DHCP" and "CONFIG_IP_MULTICAST". But it was tricky to  
activate them.

Ok, now I try to play with the NFS options.

Thanks!


Zitat von Jan <[email protected]>:

> Hello Torsten,
>
> On Thu, 05 Nov 2009 17:36:55 +0100
> [email protected] wrote:
>> that was the missing jigsaw piece. Now the kernel is able to make the
>> DHCP request and he really gets his information. Fine!
>
> glad to hear it. Which piece was that, for statistics? ;)
>
>> But he doesn't mount the rootfilesystem. I still get the following
>> error message:
>> "mount: wrong fs type, bad option, bad superblock on
>>   192.9.200.137:/svr1/rootfilesystem/pilas5
>>   missing codepage or helper program, or other error
>>
>> I guess there could be a wrong export option. I have  the following
>> entry in the /etc/exports of the server:
>> /svr1/rootfilesystem
>> 192.9.200.128/26(rw,sync,no_subtree_check,no_root_squash,no_wdelay,insecure)
>
> That looks almost like my setup. The only differences are that I use
> fewer options and export the root filesystem directly, but your exports
> should be fine.
>
> What has been bugging me for days is that I _think_ I saw your NFS
> error before, but cannot remember precisely... might be due to NFS
> version mismatches or file locking, but DQMOT. Those could be fixed
> with additional NFS parameters on the kernel command line. Just give
> 'nolock' a try for starters, to rule that out quickly.
>
> You mentioned that you are able to boot the system from a harddisk with
> a 2.6 kernel. Can the kernel you use for diskless booting mount the NFS
> filesystem manually if using a root FS on your harddisk? That could
> help when playing with mount options.
>
> Once you have it all fixed, you might think about contributing a
> brief summary of your experiences with etherboot + wraplinux + 2.4/2.6
> kernel options + NFS to the troubleshooting FAQ on http://etherboot.org/
> and perhaps helping someone else in a similar situation.
>
> Cheers,
> Jan
>
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