Utilite 2nd NIC not found

[DevilCrayon]

I've just installed Arch on my Utilite Pro, which I intent to set up as a firewall/NAT/router.

Installation went smoothly, but the OS only sees eth0 and the wireless interface, mlan0

$this->bbcode_second_pass_code('', '
[root@fraser2 ~]# uname -a
Linux fraser2 3.0.35-16-ARCH #1 SMP Sun May 25 17:19:33 MDT 2014 armv7l GNU/Linux

[root@fraser2 ~]# ifconfig -a
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.2.3.56 netmask 255.255.255.0 broadcast 10.2.3.255
inet6 fe80::201:c0ff:fe14:dfb prefixlen 64 scopeid 0x20<link>
ether 00:01:c0:14:0d:fb txqueuelen 1000 (Ethernet)
RX packets 4435 bytes 1119717 (1.0 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2456 bytes 367802 (359.1 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 16436
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 0 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

mlan0: flags=4098<BROADCAST,MULTICAST> mtu 1500
ether d0:e7:82:b4:c6:69 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

[root@fraser2 ~]# dmesg | grep mlan
[ 19.195420] mwifiex_sdio mmc0:0001:1: info: mlan0: Marvell 802.11 Adapter

[root@fraser2 ~]# ls /sys/class/net/
eth0 lo mlan0
')

Looking around the Utilite forums and here it looks like the Intel NIC should be running the igb drive. If I modprobe that drive, it loads but doesn't find a device:

$this->bbcode_second_pass_code('', '
[root@fraser2 ~]# lsmod
Module Size Used by
igb 154523 0
mwifiex_sdio 11382 0
mwifiex 98646 1 mwifiex_sdio
btmrvl_sdio 9271 0
btmrvl 10707 1 btmrvl_sdio
cfg80211 140401 1 mwifiex
bluetooth 125470 2 btmrvl,btmrvl_sdio
pwm_bl 2190 0
backlight 3539 1 pwm_bl
ads7846 8783 0
ipv6 277957 16
')

$this->bbcode_second_pass_code('', '
from dmesg:
[ 2869.067050] Intel(R) Gigabit Ethernet Network Driver - version 4.1.2
[ 2869.073434] Copyright (c) 2007-2012 Intel Corporation.
')

If I plug a network cable that's connected to my switch, the link slights indicate it sees _something_.

Strangly, lspci -v doesn't show me anything at all:

$this->bbcode_second_pass_code('', '
[root@fraser2 ~]# lspci -v
[root@fraser2 ~]#
')

and this section of dmesg looks very different from other people's posted output:

$this->bbcode_second_pass_code('', '
[ 1.757937] PCIE: imx_pcie_pltfm_probe start link up.
[ 1.867943] usb 2-1: new high speed USB device number 2 using fsl-ehci
[ 2.019207] hub 2-1:1.0: USB hub found
[ 2.023092] hub 2-1:1.0: 4 ports detected
[ 2.308110] usb 2-1.2: new full speed USB device number 3 using fsl-ehci
[ 2.367966] USB Host suspend begins
[ 2.367972] will suspend roothub and its children
[ 2.367991] ehci_fsl_bus_suspend begins, DR
[ 2.368431] ehci_fsl_bus_suspend ends, DR
[ 2.368445] host suspend ends
[ 2.372122] link up failed, DB_R0:0x00e23100, DB_R1:0x08200000!
[ 2.378054] IMX PCIe port: link down!
')