Subject: Re: Problems with Intel i82550 Ethernet in a IBM Thinkpad T22
To: Silas Justiniano <>
From: Steven M. Bellovin <>
List: netbsd-users
Date: 04/07/2007 23:25:59
On Sat, 7 Apr 2007 23:54:53 -0300
"Silas Justiniano" <> wrote:

> Hello all!
> I'm having a few problems when I try to run NetBSD 3.1 in my T22
> laptop. It has a i82550 Ethernet that works fine when I use a
> crossover cable conected to another computer but when I connect it to
> a common hub (switch) using common cable, I can't ping other machine
> of the same network even if I configured my NIC correctly. The light
> of the hub of the port that the cable is connected to blinks non-stop.
> jakllsch, from #netbsd and #networking (on freenode), told me that the
> problem could be the wm driver and recommended me to download the
> newest kernel, but I'm already using 3.1. Should I try a bleeding-edge
> solution? Did this drive have updates?

There have been problems with speed negotiation (among other things)
for that chip.  See kern/35386 and a few others.  It looks from the PR
log like it's been pulled up to the netbsd-3 branch, so you *should* be
able to get it by updating your kernel source and rebuilding.

		--Steve Bellovin,