Hmmmm. Agora o módulo carregou e parece estar ativo. Pode repetir os testes? lshw, iwconfig, etc.
Segue abaixo:
iedojr@iedojr ~ $ sudo modprobe ath5k
[sudo] password for iedojr:
iedojr@iedojr ~ $ sudo lshw -C network
*-network
description: Ethernet interface
product: VT6102 [Rhine-II]
vendor: VIA Technologies, Inc.
physical id: 12
bus info: pci@0000:00:12.0
logical name: eth0
version: 7c
serial: 00:14:0b:34:24:81
size: 10MB/s
capacity: 100MB/s
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=via-rhine driverversion=1.4.3 duplex=half latency=24 link=no maxlatency=8 mingnt=3 multicast=yes port=MII speed=10MB/s
resources: irq:23 ioport:6800(size=256) memory:c9400400-c94004ff
*-network UNCLAIMED
description: Ethernet controller
product: AR2413 802.11bg NIC
vendor: Atheros Communications Inc.
physical id: 1
bus info: pci@0000:05:01.0
version: 01
width: 32 bits
clock: 33MHz
capabilities: pm cap_list
configuration: latency=168 maxlatency=28 mingnt=10
resources: memory:40600000-4060ffff
iedojr@iedojr ~ $ iwconfig wlan0
wlan0 No such device
iedojr@iedojr ~ $ ifconfig
eth0 Link encap:Ethernet Endereço de HW 00:14:0b:34:24:81
UP BROADCAST MULTICAST MTU:1500 Métrica:1
pacotes RX:0 erros:0 descartados:0 excesso:0 quadro:0
Pacotes TX:0 erros:0 descartados:0 excesso:0 portadora:0
colisões:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
IRQ:23 Endereço de E/S:0x6400
lo Link encap:Loopback Local
inet end.: 127.0.0.1 Masc:255.0.0.0
endereço inet6: ::1/128 Escopo:Máquina
UP LOOPBACK RUNNING MTU:16436 Métrica:1
pacotes RX:80 erros:0 descartados:0 excesso:0 quadro:0
Pacotes TX:80 erros:0 descartados:0 excesso:0 portadora:0
colisões:0 txqueuelen:0
RX bytes:6024 (6.0 KB) TX bytes:6024 (6.0 KB)
iedojr@iedojr ~ $