Buenas.
Ando con problemillas de wifi en el portátil, y dije bueno pues me compro un cacho "pen usb wifi" y tiro mientras algún alma caritativa arregla el módulo del kernel que me da problemas.
Pero la cosa...rara (es la primera vez que me pasa) es que el adaptador usb wifi no lista las "wifis" mas que en los 2 primeros canales.
Bueno estos son los datos:
$ uname -a
Linux speccy-laptop 3.5.0-44-generic #67-Ubuntu SMP Tue Nov 12 19:36:14 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
# lshw -class network
*-network DISABLED
description: Wireless interface
product: AR9285 Wireless Network Adapter (PCI-Express)
vendor: Atheros Communications Inc.
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 01
serial: 74:de:2b:5b:d9:c1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath9k driverversion=3.5.0-44-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
resources: irq:17 memory:f1500000-f150ffff
*-network
description: Ethernet interface
product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:04:00.0
logical name: eth0
version: 05
serial: f0:de:f1:94:bd:53
size: 10Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl_nic/rtl8105e-1.fw latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:42 ioport:2000(size=256) memory:f1404000-f1404fff memory:f1400000-f1403fff
*-network:0
description: Ethernet interface
physical id: 3
logical name: usb0
serial: ee:b7:11:0c:40:44
capabilities: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.231 link=yes multicast=yes
*-network:1
description: Wireless interface
physical id: 4
bus info: usb@2:1.2
logical name: wlan1
serial: 44:33:4c:71:33:98
capabilities: ethernet physical wireless
configuration: broadcast=yes driver=rtl8192cu driverversion=3.5.0-44-generic firmware=N/A link=no multicast=yes wireless=IEEE 802.11bgn
#dmesg
...
[17084.198809] usb 2-1.2: new high-speed USB device number 7 using ehci_hcd
[17084.293162] usb 2-1.2: New USB device found, idVendor=0bda, idProduct=8176
[17084.293180] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[17084.293185] usb 2-1.2: Product: 802.11n WLAN Adapter
[17084.293189] usb 2-1.2: Manufacturer: Realtek
[17084.293192] usb 2-1.2: SerialNumber: 00e04c000001
[17084.293877] rtl8192cu: Chip version 0x10
[17084.373292] rtl8192cu: MAC address: 44:33:4c:71:33:98
[17084.373303] rtl8192cu: Board Type 0
[17084.373581] rtlwifi: rx_max_size 15360, rx_urb_num 8, in_ep 1
[17084.373590] cfg80211: Updating information on frequency 2412 MHz for a 20 MHz width channel with regulatory rule:
[17084.373595] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[17084.373599] cfg80211: Updating information on frequency 2417 MHz for a 20 MHz width channel with regulatory rule:
[17084.373603] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[17084.373606] cfg80211: Updating information on frequency 2422 MHz for a 20 MHz width channel with regulatory rule:
[17084.373609] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[17084.373612] cfg80211: Updating information on frequency 2427 MHz for a 20 MHz width channel with regulatory rule:
[17084.373616] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[17084.373619] cfg80211: Updating information on frequency 2432 MHz for a 20 MHz width channel with regulatory rule:
[17084.373622] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[17084.373625] cfg80211: Updating information on frequency 2437 MHz for a 20 MHz width channel with regulatory rule:
[17084.373629] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[17084.373632] cfg80211: Updating information on frequency 2442 MHz for a 20 MHz width channel with regulatory rule:
[17084.373635] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[17084.373638] cfg80211: Updating information on frequency 2447 MHz for a 20 MHz width channel with regulatory rule:
[17084.373641] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[17084.373644] cfg80211: Updating information on frequency 2452 MHz for a 20 MHz width channel with regulatory rule:
[17084.373648] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[17084.373651] cfg80211: Updating information on frequency 2457 MHz for a 20 MHz width channel with regulatory rule:
[17084.373654] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[17084.373657] cfg80211: Updating information on frequency 2462 MHz for a 20 MHz width channel with regulatory rule:
[17084.373660] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[17084.373664] cfg80211: Disabling freq 2467 MHz as custom regd has no rule that fits a 20 MHz wide channel
[17084.373667] cfg80211: Disabling freq 2472 MHz as custom regd has no rule that fits a 20 MHz wide channel
[17084.373670] cfg80211: Disabling freq 2484 MHz as custom regd has no rule that fits a 20 MHz wide channel
[17084.373726] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw.bin
[17084.759219] cfg80211: Ignoring regulatory request Set by core since the driver uses its own custom regulatory domain
[17084.759339] ieee80211 phy3: Selected rate control algorithm 'rtl_rc'
[17084.759853] rtlwifi: wireless switch is on
[17084.935395] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
[17546.494423] rtl8192cu: MAC auto ON okay!
[17546.527270] rtl8192cu: Tx queue select: 0x05
[17546.891829] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
# iwlist wlan1 scan
wlan1 Scan completed :
Cell 01 - Address: 00:23:69:15:13:A4
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=68/70 Signal level=-42 dBm
Encryption key:off
ESSID:"linksys"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=0000004ec1cc0197
Extra: Last beacon: 24ms ago
IE: Unknown: 00076C696E6B737973
IE: Unknown: 010882848B961224486C
IE: Unknown: 030101
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1AEC0117FFFF0000000000000000000000000000000C0000000000
IE: Unknown: 3D1601000500000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4307000000
IE: Unknown: 0706474220010D10
IE: Unknown: DD1E00904C33EC0117FFFF0000000000000000000000000000000C0000000000
IE: Unknown: DD1A00904C3401000500000000000000000000000000000000000000
IE: Unknown: DD820050F204104A0001101044000101103B000103104700102880288028801880A8800023691513A41021000C4C696E6B73797320496E632E102300095752543136304E76321024000776322E302E3031104200033031341054000800060050F2040001101100114C696E6B737973205752543136304E763210080002008C103C000101
Cell 02 - Address: A0:21:B7:5A:18:56
Channel:8
Frequency:2.447 GHz (Channel 8)
Quality=69/70 Signal level=-41 dBm
Encryption key:on
ESSID:"ONO1856"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=00000017a57f5fe2
Extra: Last beacon: 192ms ago
IE: Unknown: 00074F4E4F31383536
IE: Unknown: 010882848B962430486C
IE: Unknown: 030108
IE: Unknown: 2A0100
IE: Unknown: 2F0100
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: 32040C121860
IE: Unknown: 2D1AFE181BFFFF000001000000000000000000000000000000000000
IE: Unknown: 3D16080D0000000000000000000000000000000000000000
IE: Unknown: DD090010180200F02C0000
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
Cosa rara que me pasa...
Saludos.
.![[tadoramo]](/images/smilies/adora.gif "Adorando")