interface mysteriously renamed

[Marius Gedminas]

On Fri, Jun 23, 2006 at 10:32:49AM -0600, Andrew Jorgensen wrote:
> Hello,
> 
> I'm seeing a very strange bug and I wanted to throw it out on the list
> before trying to file it:
> 
> My network interface decided that it was eth2 today.  It used to be
> eth1 but it looks like now it thinks it's eth0 and then it jumps up to
> eth2:
> 
> # dmesg |grep e100
> [17179600.880000] e100: Intel(R) PRO/100 Network Driver, 3.4.14-k4-NAPI
> [17179600.880000] e100: Copyright(c) 1999-2005 Intel Corporation
> [17179600.904000] e100: eth0: e100_probe: addr 0xd0500000, irq 66, MAC
> addr 00:08:C7:6B:EA:5D
> [17179824.740000] e100: eth2: e100_watchdog: link up, 100Mbps, full-duplex
> 
> I have another interface which may partly explain the problem I guess:
> # dmesg |grep sky
> [17179600.964000] sky2 v1.4 addr 0xff620000 irq 177 Yukon-EC (0xb6) rev 1
> [17179600.964000] sky2 eth1: addr 00:11:11:47:5d:57
> 
> but I don't use that interface because the driver doesn't appear to be
> very stable yet.
> 
> Any ideas what's going on or how to control it?

Check your /etc/iftab.  If probably says that eth0 is supposed to be a
network card with a MAC address different from the one your e100 has.
Change the MAC address there to match, reboot, and the card should
become eth0 again.

Marius Gedminas
-- 
UNIX is user friendly. It's just selective about who its friends are.
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