On 12/07/2011 10:39 AM, Steve Chen wrote:
>
>
> On Wed, Dec 7, 2011 at 9:23 AM, Timothy Bean <[email protected] 
> <mailto:[email protected]>> wrote:
>
>     ...
>
>     IP-Config: Complete:
>
>     device=eth0, addr=192.168.0.100, mask=255.25
>
>     5.255.0, gw=192.168.0.1,
>
>     host=192.168.0.100, domain=, nis-domain=(none),
>
>     bootserver=192.168.0.50, rootserver=192.168.0.50, rootpath=
>
>     Waiting 5sec before mounting root device...
>
>      
>
>     Looking up port of RPC 100003/2 on 192.168.0.50
>
>      
>
>     Looking up port of RPC 100005/1 on 192.168.0.50
>
>      
>
>     VFS: Mounted root (nfs filesystem).
>
>     Freeing init memory: 172K
>
>      
>
>      
>
>     INIT: version 2.86 booting
>
>      
>
>      
>
>      
>
>     Starting the hotplug events dispatcher: udevd
>
>     .
>
>     Synthesizing the initial hotplug events...
>
>     done.
>
>      
>
>     Waiting for /dev to be fully populated...
>
>     done.
>
>      
>
>     Activating swap...
>
>     done.
>
>     Remounting root filesystem...done.
>
>      
>
>     Calculating module dependencies
>
>      
>
>     nfs: server 192.168.0.50 not responding, still trying
>
>      
>
>     nfs: server 192.168.0.50 not responding, still trying
>
>      
>
>     nfs: server 192.168.0.50 not responding, still trying
>
>      
>
>     Do you have any other pointers? I hopefully have attached a wireshark 
> catpure. Maybe someone can look at that and determine what I am doing wrong. 
> This is what I put for my interfaces file:
>
>
>
> Yes, your analysis is correct that NFS was connected and dropped shortly 
> after.  I have seen similar issues when the target board shared the same IP 
> address as another device on the network.  You
> may want to try replacing the kernel command line
>
> ... ip=192.168.0.100:192.168.0.50:192.168.0.1:255.255.255.0:::off ...
>
> with
>
> ...  ip=dhcp ...
>
> to see if that makes a difference.  Or just unplug your board and ping 
> 192.168.0.100 to make sure no-one answers.
>
> Regards,
>
> Steve
>

Your wireshark capture was not attached (at least I did not get it).  The Linux 
Ethernet driver was working, since NFS mounted
successfully.  Without seeing the wireshark info I can't tell, but you should 
check to be sure that some other bootup logic has not changed
the target's IP address or Eth MAC address.

You mention that the wireshark packets go from looking fine to looking like 
fragments.  Do this same boot sequence, but reduce
what is being loaded and run at bootup.  Especially reduce the list of modules 
being loaded, one by one.  Then reduce what is being done by the
sysv init logic.  Boot up after each small change you make.  If you can find a 
point at which you stop seeing the problem, then you have likely found what is 
causing it.

Chuck

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