[U-Boot-Users] TFTP PROBLEM

[Tolunay Orkun]

On 10 May 2004 at 13:20, DeLaGarza, Robert wrote:

> Sonia Martinez wrote:
> > Hi all,
> > 
> > We're using u-boot 1.0.0 to boot Linux on a Lubbock based platform. We've
> > been able to boot Linux from RAM, with JFFS2 and nfsroot too. But we've a
> > problem with tftp.
> > 
> > We know that the tftp server works because we've tested it with other
> > clients. But with tftp in u-boot we're only able to transfer little files
> > (1, 2 Kb)..
> > 
> > Which can be the problem?? Newer versions work fine??
> > 
> 
> You've probably checked this, but make sure the cable is good.  I've had 
> a bunch of problems with crossover cables in particular.  For example, I 
> worked on one board that had no problems with the crossover cable under 
> Linux, but under U-Boot, TFTP just wouldn't work.  Using an Ethernet hub 
> alleviated this.
> 
> I also have a Sony notebook computer that connects fine over a crossover 
> cable to a 10Base-T card, but not to a 100Base-T card.
> 
> Consequently, I've pretty much given up using crossover cables, for the 
> time being.

It sounds like some of you have duplex negotiation or mismatch 
problems.

Regards,
Tolunay