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From: David Miller <davem@davemloft.net>
Subject: Re: E1000E/82567LM-3: link reported up too soon
Date: Mon, 20 Sep 2010 15:23:52 -0700 (PDT)
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From: arno@natisbad.org (Arnaud Ebalard)
Date: Mon, 20 Sep 2010 23:28:57 +0200

> I added printk() to see where/if those first packets get dropped in
> e1000e code. I followed those first packets to e1000_xmit_frame() and
> don't see anything obvious happening there, i.e. they are passed to the
> device as expected.

I suspect the packet is sucessfully given to the chip and the PHY simply
doesn't put it onto the wire for whatever reason.