Pessoal, estou com problema semelhante e estou usando conexão por cabo, pois o wireless cai toda hora.
É um Semp Toshiba e a configuraçã é a seguinte: Ubuntu 11.10
:~$ 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:40:7a:f9
size: 10Mbit/s
capacity: 100Mbit/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=1.5.0 duplex=half latency=24 link=no maxlatency=8 mingnt=3 multicast=yes port=MII speed=10Mbit/s
resources: irq:23 ioport:6800(size=256) memory:c9400400-c94004ff
*-network
description: Wireless interface
product: AR2413 802.11bg NIC
vendor: Atheros Communications Inc.
physical id: 1
bus info: pci@0000:05:01.0
logical name: wlan0
version: 01
serial: 00:1a:2a:cf:12:79
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath5k driverversion=3.0.0-17-generic firmware=N/A ip=192.168.1.100 latency=168 link=yes maxlatency=28 mingnt=10 multicast=yes wireless=IEEE 802.11bg
resources: irq:18 memory:40000000-4000ffff
iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11bg ESSID:"seba-pat"
Mode:Managed Frequency:2.412 GHz Access Point: B0:48:7A:C6:A4:FC
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=58/70 Signal level=-52 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:20 Missed beacon:0
ifconfig -a
eth0 Link encap:Ethernet Endereço de HW 00:14:0b:40:7a:f9
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:0x8400
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:544 erros:0 descartados:0 excesso:0 quadro:0
Pacotes TX:544 erros:0 descartados:0 excesso:0 portadora:0
colisões:0 txqueuelen:0
RX bytes:41792 (41.7 KB) TX bytes:41792 (41.7 KB)
wlan0 Link encap:Ethernet Endereço de HW 00:1a:2a:cf:12:79
inet end.: 192.168.1.100 Bcast:192.168.1.255 Masc:255.255.255.0
endereço inet6: fe80::21a:2aff:fecf:1279/64 Escopo:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Métrica:1
pacotes RX:8918 erros:0 descartados:0 excesso:0 quadro:0
Pacotes TX:10446 erros:0 descartados:0 excesso:0 portadora:0
colisões:0 txqueuelen:1000
RX bytes:8588836 (8.5 MB) TX bytes:2394501 (2.3 MB)
nm-tool
NetworkManager Tool
State: connected (global)
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: via-rhine
State: unavailable
Default: no
HW Address: 00:14:0B:40:7A:F9
Capabilities:
Carrier Detect: yes
Speed: 10 Mb/s
Wired Properties
Carrier: off
- Device: wlan0 [seba-pat 1] --------------------------------------------------
Type: 802.11 WiFi
Driver: ath5k
State: connected
Default: yes
HW Address: 00:1A:2A:CF:12:79
Capabilities:
Speed: 1 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
*seba-pat: Infra, B0:48:7A:C6:A4:FC, Freq 2412 MHz, Rate 54 Mb/s, Strength 95 WPA WPA2
HotSpotYCI: Infra, 00:27:22:26:0F:91, Freq 2447 MHz, Rate 54 Mb/s, Strength 15 WEP
IPv4 Settings:
Address: 192.168.1.100
Prefix: 24 (255.255.255.0)
Gateway: 192.168.1.1
DNS: 192.168.1.1
Tópico: Re: Ubuntu 11.10 não liga placa de rede Atheros AR9285 no Sony Vaio (Lida 1606 vezes)