[U-Boot] UBoot NFS timeout

[Ben Warren <biggerbadderben@gmail.com>]

Hi Christopher,

christopher.mcnamara wrote:
> I'm having trouble booting my linux image over a nfs share. 
> The share is on an openSuse 11 server. I am able to mount the folder on a
> centOS machine 
> and copy the file over the network so I believe it is setup properly. My
> UBoot output is
>
> File transfer via NFS from server xxx.xxx.50.21; our IP address is
> xxx.xxx.50.15
> 1
> Filename '/root/Desktop/susenfs/bootme4linux.bin'.
> Load address: 0x80000000
> Loading: #################################################################
>          #Timeout
>
> When I try a nfs share on the CentOS machine it times out immediately. 
>
> Anyone ever seen this?
>
> UBoot 1.2.0, however the NFS code is the same.
>
> Is the the correct way to activate NFS in my uboot image?
>
> #define CONFIG_COMMANDS ( \
> CONFIG__CMD_DFL | \
> CFG_CMD_NET  | \
> CFG_CMD_PING | \
> CFG_CMD_MII | \
> CFG_CMD_DHCP | \
> CFG_CMD_MEMORY | \
> CFG_CMD_NFS)
>   
What processor and Ethernet controller are you using?  NFS initially 
bursts a lot of full-size frames and if your MAC can't keep up you'll 
have trouble connecting.  Try limiting the read block size on the client 
by specifying 'rsize=' parameter.

regards,
Ben