LXT972 FEC problem on MPC855

Wolfgang Denk wd at denx.de
Tue Aug 27 04:27:02 EST 2002

In message <3D6A6D9D.20404 at redswitch.com> you wrote:
> > After running ppcboot on our board successfully (including the fast
> > ethernet LXT972), we have trouble on enabling FEC on linux kernel. The
> > problem is that we cannot send any packets through the network after the
> > kernel is booted. The ethernet looks OK during initialization according
> > to the printed messages. We are trying to locate the problem but haven't
> > found yet so far. Any hints on what caused such problem?
> eth0: config: auto-negotiation on, 100FDX, 100HDX, 10FDX, 10HDX.
> IP-Config: Incomplete network configuration information.

You are passing bad/insufficient boot arguments to the Linux  kernel;
unfortunaltely you don;t show us this part of the boot messages, so I
cannot even guess what you're doing wrong.

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
Do not underestimate the value of print statements for debugging.

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