From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andy Pont <andy.pont@sdcsystems.com>
Date: Thu, 28 May 2015 16:22:23 +0100
Subject: [U-Boot] [PATCH] x86: Fix regression build issue
	of	coreboot-x86_defconfig
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Hi Bin,
 
> I just found u-boot.rom created from u-boot-x86/testing branch does
> not have working network any more on QEMU. It is working on the
> u-boot-x86/master branch.
> 
> => set serverip 10.10.0.100;set ipaddr 10.10.0.108;set netmask
> 255.255.255.0;set gatewayip 10.10.0.100
> => run ramboot
> *** ERROR: `serverip' not set
> *** ERROR: `serverip' not set
> 
> But 'print' says the env indeed has the 'serverip'. I think there
> should be something in the upstream that caused this after the
> u-boot-x86/testing branch rebase. Do you know where might be the
> problem?

This looks very similar to an issue that got patched on the i.MX6 yesterday
by Stefano which said:

commit fd3056337e6fcc140f400e11edd33f6f1cb37de1
"Use env callbacks for net variables" has a side effect on i.MX6 boards
because they do not set CONFIG_NET: the ip address results not set, but it
is stored in the environment."

Might be something to check...

Regards,

Andy.