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[SOLVED] Linux Kernel 3.6 - No more wireless
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wichtounet
Tux's lil' helper
Tux's lil' helper


Joined: 17 Mar 2012
Posts: 77

PostPosted: Sat Oct 06, 2012 4:28 am    Post subject: [SOLVED] Linux Kernel 3.6 - No more wireless Reply with quote

Hi,

I tried to update to the Linux 3.6 kernel today, but I'm having issue with wireless. I have a Intel Centrino 6200 AGN card on a Thinkpad W510. I use the iwlwifi driver from intel (not compiled as a module). I tried to keep the same configuration from one kernel to the other.

I'm no pro in network, so perhaps it is a simple issue that I do not understand, but I already spent some hours looking for a solution without success.

There are no errors during the kernel boot neither in wicd boot. I can see my card in lspci with no problems.

Apparently my interface is not recognized as wireless:

Quote:
iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

wlan0 no wireless extensions.


If I try to run wpa_supplicant, I have some ioctl issues that says invalid argument. I thought it was related to cryptographic libraries, but I verified, the options of both kernels are exactly the same.

If I just change my kernel in grub, it works well without any change in configuration between the two.

I don't really know where to find a useful log for that. I would like a precise error :(

Does someone have an idea of the problem ? Or does someone has an idea about where to look like to find more information about my problem ?

Thanks a lot and sorry for the lack of information, but I don't know where to search :(

Baptiste


Last edited by wichtounet on Sun Oct 07, 2012 1:24 am; edited 1 time in total
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DONAHUE
Watchman
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Joined: 09 Dec 2006
Posts: 6657
Location: Goose Creek SC

PostPosted: Sat Oct 06, 2012 7:46 am    Post subject: Reply with quote

Does
Code:
lspci -k
show iwlwifi as module and driver in use for the Intel Centrino 6200 AGN? Does
Code:
ifconfig -a
show wlan0? If so does
Code:
ifconfig
show wlan0? Does
Code:
 ls /lib/firmware/iwlwifi-6000-4.ucode
show the firmware present? Does help in menuconfig for
Quote:
<M> Intel Wireless WiFi Next Gen AGN - Wireless-N/Advanced-N/Ultimate-N (iwlwifi)
show
Quote:
Depends on: NETDEVICES [=y] && WLAN [=y] && PCI [=y] && MAC80211 [=m] && HAS_IOMEM [=y]
and
Quote:
Selects: FW_LOADER [=y] && NEW_LEDS [=m] && LEDS_CLASS [=m] && LEDS_TRIGGERS [=m] && MAC80211_LEDS [=m] && IWLDVM [=m]
m or y acceptable. n needs correction to m or y.
Code:
rm /etc/udev/rules.d/70-persistent-net.rules
On reboot udev will rewrite it for the devices.

Did you copy the prior config for use on the new kernel? If so did you use make oldconfig to bring it in?

dmesg is your best log for this problem. open /var/log/dmesg with a text editor and search for wlan0 and iwlwifi and mac80211.
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chithanh
Developer
Developer


Joined: 05 Aug 2006
Posts: 1678
Location: Berlin, Germany

PostPosted: Sat Oct 06, 2012 10:13 am    Post subject: Reply with quote

Code:
 wlan0 no wireless extensions.

It sees your wireless, just iwconfig needs the legacy wireless extensions which are disabled by default for any modern nl80211 based driver.
Use iw instead of iwconfig, or if you depend on wireless-tools for whatever reason enable CONFIG_CFG80211_WEXT in your kernel. wpa_supplicant should be passed the -Dnl80211 parameter.
Code:
# iw dev wlan0 scan
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wichtounet
Tux's lil' helper
Tux's lil' helper


Joined: 17 Mar 2012
Posts: 77

PostPosted: Sat Oct 06, 2012 7:18 pm    Post subject: Reply with quote

Thanks a lot for your help.

DONAHUE wrote:
Does
Code:
lspci -k
show iwlwifi as module and driver in use for the Intel Centrino 6200 AGN?


yes it does.

Quote:
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 (rev 35)
Subsystem: Intel Corporation Centrino Advanced-N 6200 2x2 AGN
Kernel driver in use: iwlwifi


DONAHUE wrote:
Does
Code:
ifconfig -a
show wlan0? If so does
Code:
ifconfig
show wlan0?


Both do:

Quote:
$ ifconfig -a
eth0 Link encap:Ethernet HWaddr f0:de:f1:48:2b:18
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:20 Memory:f2600000-f2620000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:514 errors:0 dropped:0 overruns:0 frame:0
TX packets:514 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:39364 (38.4 KiB) TX bytes:39364 (38.4 KiB)

wlan0 Link encap:Ethernet HWaddr 58:94:6b:b3:aa:80
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

$ ifconfig
eth0 Link encap:Ethernet HWaddr f0:de:f1:48:2b:18
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:20 Memory:f2600000-f2620000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:514 errors:0 dropped:0 overruns:0 frame:0
TX packets:514 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:39364 (38.4 KiB) TX bytes:39364 (38.4 KiB)

wlan0 Link encap:Ethernet HWaddr 58:94:6b:b3:aa:80
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)


DONAHUE wrote:
Does
Code:
 ls /lib/firmware/iwlwifi-6000-4.ucode
show the firmware present?


Yes, it is present.

DONAHUE wrote:
Does help in menuconfig for
Quote:
<M> Intel Wireless WiFi Next Gen AGN - Wireless-N/Advanced-N/Ultimate-N (iwlwifi)
show
Quote:
Depends on: NETDEVICES [=y] && WLAN [=y] && PCI [=y] && MAC80211 [=m] && HAS_IOMEM [=y]
and
Quote:
Selects: FW_LOADER [=y] && NEW_LEDS [=m] && LEDS_CLASS [=m] && LEDS_TRIGGERS [=m] && MAC80211_LEDS [=m] && IWLDVM [=m]
m or y acceptable. n needs correction to m or y.


Everything is to "y".

DONAHUE wrote:
Code:
rm /etc/udev/rules.d/70-persistent-net.rules
On reboot udev will rewrite it for the devices.


I tried it, didn't change anything.

DONAHUE wrote:
Did you copy the prior config for use on the new kernel? If so did you use make oldconfig to bring it in?


No, I did the configuration myself from scratch.

DONAHUE wrote:
dmesg is your best log for this problem. open /var/log/dmesg with a text editor and search for wlan0 and iwlwifi and mac80211.


Here is what I foud in it:

Quote:
[ 0.699233] cfg80211: Calling CRDA to update world regulatory domain
[ 0.699339] NetLabel: Initializing
[ 0.699340] NetLabel: domain hash size = 128
[ 0.699341] NetLabel: protocols = UNLABELED CIPSOv4
[ 0.699353] NetLabel: unlabeled traffic allowed by default
[ 0.989276] Intel(R) Wireless WiFi driver for Linux, in-tree:d
[ 0.989465] Copyright(c) 2003-2012 Intel Corporation
[ 0.989777] iwlwifi 0000:03:00.0: pci_resource_len = 0x00002000
[ 0.989985] iwlwifi 0000:03:00.0: pci_resource_base = ffffc900121d0000
[ 0.990177] iwlwifi 0000:03:00.0: HW Revision ID = 0x35
[ 0.991029] iwlwifi 0000:03:00.0: irq 47 for MSI/MSI-X
[ 0.991298] iwldvm: Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree:d
[ 0.991563] iwldvm: Copyright(c) 2003-2012 Intel Corporation
[ 3.359515] iwlwifi 0000:03:00.0: loaded firmware version 9.221.4.1 build 25532
[ 3.359912] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUG enabled
[ 3.359917] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUGFS disabled
[ 3.359920] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEVICE_TRACING disabled
[ 3.359923] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEVICE_TESTMODE disabled
[ 3.359925] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_P2P disabled
[ 3.359929] iwlwifi 0000:03:00.0: Detected Intel(R) Centrino(R) Advanced-N 6200 AGN, REV=0x74
[ 3.360034] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[ 3.360222] iwlwifi 0000:03:00.0: RF_KILL bit toggled to enable radio.
[ 3.370575] iwlwifi 0000:03:00.0: device EEPROM VER=0x436, CALIB=0x6
[ 3.370582] iwlwifi 0000:03:00.0: Device SKU: 0x1F0
[ 3.370587] iwlwifi 0000:03:00.0: Valid Tx ant: 0x6, Valid Rx ant: 0x6
[ 3.371643] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
[ 7.531966] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[ 7.532341] iwlwifi 0000:03:00.0: Radio type=0x1-0x3-0x1
[ 7.792906] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[ 7.793241] iwlwifi 0000:03:00.0: Radio type=0x1-0x3-0x1


I emerged iw and tried it:

iw list

Code:
Wiphy phy0
   Band 1:
      Capabilities: 0x872
         HT20/HT40
         Static SM Power Save
         RX Greenfield
         RX HT20 SGI
         RX HT40 SGI
         No RX STBC
         Max AMSDU length: 7935 bytes
         No DSSS/CCK HT40
      Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
      Minimum RX AMPDU time spacing: 4 usec (0x05)
      HT TX/RX MCS rate indexes supported: 0-15, 32
      Frequencies:
         * 2412 MHz [1] (15.0 dBm)
         * 2417 MHz [2] (15.0 dBm)
         * 2422 MHz [3] (15.0 dBm)
         * 2427 MHz [4] (15.0 dBm)
         * 2432 MHz [5] (15.0 dBm)
         * 2437 MHz [6] (15.0 dBm)
         * 2442 MHz [7] (15.0 dBm)
         * 2447 MHz [8] (15.0 dBm)
         * 2452 MHz [9] (15.0 dBm)
         * 2457 MHz [10] (15.0 dBm)
         * 2462 MHz [11] (15.0 dBm)
         * 2467 MHz [12] (15.0 dBm) (passive scanning, no IBSS)
         * 2472 MHz [13] (15.0 dBm) (passive scanning, no IBSS)
      Bitrates (non-HT):
         * 1.0 Mbps
         * 2.0 Mbps (short preamble supported)
         * 5.5 Mbps (short preamble supported)
         * 11.0 Mbps (short preamble supported)
         * 6.0 Mbps
         * 9.0 Mbps
         * 12.0 Mbps
         * 18.0 Mbps
         * 24.0 Mbps
         * 36.0 Mbps
         * 48.0 Mbps
         * 54.0 Mbps
   Band 2:
      Capabilities: 0x872
         HT20/HT40
         Static SM Power Save
         RX Greenfield
         RX HT20 SGI
         RX HT40 SGI
         No RX STBC
         Max AMSDU length: 7935 bytes
         No DSSS/CCK HT40
      Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
      Minimum RX AMPDU time spacing: 4 usec (0x05)
      HT TX/RX MCS rate indexes supported: 0-15, 32
      Frequencies:
         * 5180 MHz [36] (15.0 dBm) (passive scanning, no IBSS)
         * 5200 MHz [40] (15.0 dBm) (passive scanning, no IBSS)
         * 5220 MHz [44] (15.0 dBm) (passive scanning, no IBSS)
         * 5240 MHz [48] (15.0 dBm) (passive scanning, no IBSS)
         * 5260 MHz [52] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5280 MHz [56] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5300 MHz [60] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5320 MHz [64] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5500 MHz [100] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5520 MHz [104] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5540 MHz [108] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5560 MHz [112] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5580 MHz [116] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5600 MHz [120] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5620 MHz [124] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5640 MHz [128] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5660 MHz [132] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5680 MHz [136] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5700 MHz [140] (15.0 dBm) (passive scanning, no IBSS, radar detection)
         * 5745 MHz [149] (15.0 dBm) (passive scanning, no IBSS)
         * 5765 MHz [153] (15.0 dBm) (passive scanning, no IBSS)
         * 5785 MHz [157] (15.0 dBm) (passive scanning, no IBSS)
         * 5805 MHz [161] (15.0 dBm) (passive scanning, no IBSS)
         * 5825 MHz [165] (15.0 dBm) (passive scanning, no IBSS)
      Bitrates (non-HT):
         * 6.0 Mbps
         * 9.0 Mbps
         * 12.0 Mbps
         * 18.0 Mbps
         * 24.0 Mbps
         * 36.0 Mbps
         * 48.0 Mbps
         * 54.0 Mbps
   max # scan SSIDs: 20
   max scan IEs length: 95 bytes
   Coverage class: 0 (up to 0m)
   Supported Ciphers:
      * WEP40 (00-0f-ac:1)
      * WEP104 (00-0f-ac:5)
      * TKIP (00-0f-ac:2)
      * CCMP (00-0f-ac:4)
   Available Antennas: TX 0 RX 0
   Supported interface modes:
       * IBSS
       * managed
       * monitor
   software interface modes (can always be added):
       * monitor
   interface combinations are not supported
   Supported commands:
       * new_interface
       * set_interface
       * new_key
       * new_beacon
       * new_station
       * set_bss
       * authenticate
       * associate
       * deauthenticate
       * disassociate
       * join_ibss
       * remain_on_channel
       * set_tx_bitrate_mask
       * action
       * frame_wait_cancel
       * set_wiphy_netns
       * set_channel
       * set_wds_peer
       * Unknown command (84)
       * Unknown command (87)
       * Unknown command (85)
       * connect
       * disconnect
   Supported TX frame types:
       * IBSS: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
       * managed: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
       * AP: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
       * AP/VLAN: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
       * mesh point: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
       * P2P-client: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
       * P2P-GO: 0x0000 0x0010 0x0020 0x0030 0x0040 0x0050 0x0060 0x0070 0x0080 0x0090 0x00a0 0x00b0 0x00c0 0x00d0 0x00e0 0x00f0
   Supported RX frame types:
       * IBSS: 0x00b0 0x00c0 0x00d0
       * managed: 0x0040 0x00d0
       * AP: 0x0000 0x0020 0x0040 0x00a0 0x00b0 0x00c0 0x00d0
       * AP/VLAN: 0x0000 0x0020 0x0040 0x00a0 0x00b0 0x00c0 0x00d0
       * mesh point: 0x00b0 0x00c0 0x00d0
       * P2P-client: 0x0040 0x00d0
       * P2P-GO: 0x0000 0x0020 0x0040 0x00a0 0x00b0 0x00c0 0x00d0
   Device supports RSN-IBSS.
   HT Capability overrides:
       * MCS: ff ff ff ff ff ff ff ff ff ff
       * maximum A-MSDU length
       * supported channel width
       * short GI for 40 MHz
       * max A-MPDU length exponent
       * min MPDU start spacing
   Device supports TX status socket option.
   Device supports HT-IBSS.


iw dev wlan0 scan

Code:
BSS 00:17:3f:58:ab:08 (on wlan0)
   TSF: 1736616386391 usec (20d, 02:23:36)
   freq: 2412
   beacon interval: 100
   capability: ESS Privacy ShortSlotTime (0x0411)
   signal: -84.00 dBm
   last seen: 0 ms ago
   SSID: JTs
   Supported rates: 1.0* 2.0* 5.5* 11.0*
   DS Parameter set: channel 1
   WPA:    * Version: 1
       * Group cipher: TKIP
       * Pairwise ciphers: TKIP
       * Authentication suites: PSK
   ERP: <no flags>
   Extended supported rates: 6.0 9.0 12.0 18.0 24.0 36.0 48.0 54.0
BSS 00:11:50:94:71:97 (on wlan0)
   TSF: 739367936395 usec (8d, 13:22:47)
   freq: 2412
   beacon interval: 100
   capability: ESS Privacy QoS ShortSlotTime (0x0611)
   signal: -87.00 dBm
   last seen: 3221 ms ago
   Information elements from Probe Response frame:
   SSID: pierrot_maison
   Supported rates: 1.0* 2.0* 5.5* 11.0*
   DS Parameter set: channel 1
   ERP: <no flags>
   Extended supported rates: 6.0* 9.0 12.0* 18.0 24.0* 36.0 48.0 54.0
BSS 48:5b:39:e7:ca:ed (on wlan0)
   TSF: 1244825023756 usec (14d, 09:47:05)
   freq: 2437
   beacon interval: 100
   capability: ESS Privacy ShortSlotTime (0x0411)
   signal: -75.00 dBm
   last seen: 0 ms ago
   Information elements from Probe Response frame:
   SSID: Yellow Apple
   Supported rates: 1.0* 2.0* 5.5* 11.0* 18.0 24.0 36.0 54.0
   DS Parameter set: channel 6
   ERP: <no flags>
   RSN:    * Version: 1
       * Group cipher: CCMP
       * Pairwise ciphers: CCMP
       * Authentication suites: PSK
       * Capabilities: 16-PTKSA-RC (0x000c)
   Extended supported rates: 6.0 9.0 12.0 48.0
   HT capabilities:
      Capabilities: 0x187c
         HT20
         SM Power Save disabled
         RX Greenfield
         RX HT20 SGI
         RX HT40 SGI
         No RX STBC
         Max AMSDU length: 7935 bytes
         DSSS/CCK HT40
      Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
      Minimum RX AMPDU time spacing: 8 usec (0x06)
      HT RX MCS rate indexes supported: 0-15
      HT TX MCS rate indexes are undefined
   HT operation:
       * primary channel: 6
       * secondary channel offset: no secondary
       * STA channel width: 20 MHz
       * RIFS: 1
       * HT protection: nonmember
       * non-GF present: 1
       * OBSS non-GF present: 1
       * dual beacon: 0
       * dual CTS protection: 0
       * STBC beacon: 0
       * L-SIG TXOP Prot: 0
       * PCO active: 0
       * PCO phase: 0
   WMM:    * Parameter version 1
       * u-APSD
       * BE: CW 15-1023, AIFSN 3
       * BK: CW 15-1023, AIFSN 7
       * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
       * VO: CW 3-7, AIFSN 2, TXOP 1504 usec
BSS 00:18:3f:8b:ac:41 (on wlan0)
   TSF: 994840687280 usec (11d, 12:20:40)
   freq: 2437
   beacon interval: 100
   capability: ESS Privacy ShortPreamble ShortSlotTime (0x0431)
   signal: -62.00 dBm
   last seen: 0 ms ago
   Information elements from Probe Response frame:
   SSID: FreeKucho
   Supported rates: 1.0* 2.0* 5.5* 6.0 9.0 11.0* 12.0 18.0
   DS Parameter set: channel 6
   Country: US   Environment: Indoor/Outdoor
      Channels [1 - 11] @ 27 dBm
   ERP: <no flags>
   Extended supported rates: 24.0 36.0 48.0 54.0
BSS 00:25:9c:36:b3:9e (on wlan0)
   TSF: 382813930561920 usec (4430d, 17:12:10)
   freq: 2437
   beacon interval: 100
   capability: ESS Privacy ShortPreamble ShortSlotTime (0x0431)
   signal: -74.00 dBm
   last seen: 3073 ms ago
   Information elements from Probe Response frame:
   SSID: alikopter
   Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0
   DS Parameter set: channel 6
   WPA:    * Version: 1
       * Group cipher: TKIP
       * Pairwise ciphers: TKIP
       * Authentication suites: PSK
   ERP: <no flags>
   Extended supported rates: 24.0 36.0 48.0 54.0
   WPS:    * Version: 1.0
       * Wi-Fi Protected Setup State: 2 (Configured)
       * Response Type: 3 (AP)
       * UUID: 00000000-0000-1000-0000-00259c36b39e
       * Manufacturer: Linksys Inc.
       * Model: WRT54G2
       * Model Number: v1.5.01
       * Serial Number: 0
       * Primary Device Type: 6-0050f204-1
       * Device name: WRT54G2
       * Config methods: Label, PBC
       * RF Bands: 0x1
BSS e8:6d:52:40:7e:f0 (on wlan0)
   TSF: 586787776240 usec (6d, 18:59:47)
   freq: 2437
   beacon interval: 100
   capability: ESS Privacy ShortSlotTime (0x0411)
   signal: -84.00 dBm
   last seen: 0 ms ago
   Information elements from Probe Response frame:
   SSID: ATT808
   Supported rates: 1.0* 2.0* 5.5* 11.0* 18.0 24.0 36.0 54.0
   DS Parameter set: channel 6
   ERP: Barker_Preamble_Mode
   RSN:    * Version: 1
       * Group cipher: TKIP
       * Pairwise ciphers: CCMP TKIP
       * Authentication suites: PSK
       * Capabilities: 16-PTKSA-RC (0x000c)
   Extended supported rates: 6.0 9.0 12.0 48.0
   HT capabilities:
      Capabilities: 0x187c
         HT20
         SM Power Save disabled
         RX Greenfield
         RX HT20 SGI
         RX HT40 SGI
         No RX STBC
         Max AMSDU length: 7935 bytes
         DSSS/CCK HT40
      Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
      Minimum RX AMPDU time spacing: 8 usec (0x06)
      HT RX MCS rate indexes supported: 0-15
      HT TX MCS rate indexes are undefined
   HT operation:
       * primary channel: 6
       * secondary channel offset: no secondary
       * STA channel width: 20 MHz
       * RIFS: 0
       * HT protection: non-HT mixed
       * non-GF present: 0
       * OBSS non-GF present: 1
       * dual beacon: 0
       * dual CTS protection: 0
       * STBC beacon: 0
       * L-SIG TXOP Prot: 0
       * PCO active: 0
       * PCO phase: 0
   Extended capabilities: HT Information Exchange Supported
   WPA:    * Version: 1
       * Group cipher: TKIP
       * Pairwise ciphers: CCMP TKIP
       * Authentication suites: PSK
       * Capabilities: 16-PTKSA-RC (0x000c)
   WMM:    * Parameter version 1
       * u-APSD
       * BE: CW 15-1023, AIFSN 3
       * BK: CW 15-1023, AIFSN 7
       * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
       * VO: CW 3-7, AIFSN 2, TXOP 1504 usec
BSS 00:1d:6a:be:bc:59 (on wlan0)
   TSF: 4613429116 usec (0d, 01:16:53)
   freq: 2437
   beacon interval: 100
   capability: ESS Privacy ShortPreamble ShortSlotTime (0x0431)
   signal: -79.00 dBm
   last seen: 3038 ms ago
   Information elements from Probe Response frame:
   SSID: chin m
   Supported rates: 1.0* 2.0* 5.5* 6.0 9.0 11.0* 12.0 18.0
   DS Parameter set: channel 6
   WPA:    * Version: 1
       * Group cipher: TKIP
       * Pairwise ciphers: TKIP
       * Authentication suites: PSK
   ERP: <no flags>
   Extended supported rates: 24.0 36.0 48.0 54.0
   WPS:    * Version: 1.0
       * Response Type: 3 (AP)
       * UUID: 96707b86-01c9-df14-fbe6-001d6abebc59
       * Wi-Fi Protected Setup State: 2 (Configured)
       * Manufacturer: Airlink
       * Model: AR430W
       * Model Number: AR430W
       * Serial Number: 00000000
       * Primary Device Type: 6-0050f204-1
       * Device name: AR430W
       * Config methods: Ethernet, Label, Display, PBC
       * Selected Registrar: 0x0
BSS 00:03:93:e8:5c:81 (on wlan0)
   TSF: 100439956230 usec (1d, 03:53:59)
   freq: 2462
   beacon interval: 100
   capability: ESS Privacy ShortSlotTime (0x0411)
   signal: -82.00 dBm
   last seen: 0 ms ago
   SSID: birdman's Network
   Supported rates: 1.0* 2.0* 5.5* 11.0*
   DS Parameter set: channel 11
   ERP: Barker_Preamble_Mode
   RSN:    * Version: 1
       * Group cipher: TKIP
       * Pairwise ciphers: CCMP TKIP
       * Authentication suites: PSK
       * Capabilities: (0x0000)
   Extended supported rates: 6.0 9.0 12.0 18.0 24.0 36.0 48.0 54.0
   WPA:    * Version: 1
       * Group cipher: TKIP
       * Pairwise ciphers: TKIP
       * Authentication suites: PSK
       * Capabilities: (0x0000)
BSS 00:1d:d1:72:17:a0 (on wlan0)
   TSF: 47386188446 usec (0d, 13:09:46)
   freq: 2462
   beacon interval: 100
   capability: ESS Privacy ShortSlotTime APSD (0x0c11)
   signal: -61.00 dBm
   last seen: 0 ms ago
   Information elements from Probe Response frame:
   SSID: HOME-17A2
   Supported rates: 1.0* 2.0* 5.5* 11.0* 9.0 18.0 36.0 54.0
   DS Parameter set: channel 11
   ERP: Use_Protection Barker_Preamble_Mode
   Extended supported rates: 6.0 12.0 24.0 48.0
   HT capabilities:
      Capabilities: 0x0c
         HT20
         SM Power Save disabled
         No RX STBC
         Max AMSDU length: 3839 bytes
         No DSSS/CCK HT40
      Maximum RX AMPDU length 32767 bytes (exponent: 0x002)
      Minimum RX AMPDU time spacing: 4 usec (0x05)
      HT RX MCS rate indexes supported: 0-15
      HT TX MCS rate indexes are undefined
   HT operation:
       * primary channel: 11
       * secondary channel offset: no secondary
       * STA channel width: 20 MHz
       * RIFS: 0
       * HT protection: nonmember
       * non-GF present: 1
       * OBSS non-GF present: 0
       * dual beacon: 0
       * dual CTS protection: 0
       * STBC beacon: 0
       * L-SIG TXOP Prot: 0
       * PCO active: 0
       * PCO phase: 0
   WPA:    * Version: 1
       * Group cipher: TKIP
       * Pairwise ciphers: TKIP CCMP
       * Authentication suites: PSK
   RSN:    * Version: 1
       * Group cipher: TKIP
       * Pairwise ciphers: TKIP CCMP
       * Authentication suites: PSK
       * Capabilities: (0x0000)
   WMM:    * Parameter version 1
       * u-APSD
       * BE: CW 15-1023, AIFSN 3
       * BK: CW 15-1023, AIFSN 7
       * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
       * VO: CW 3-7, AIFSN 2, TXOP 1504 usec
   Extended capabilities: HT Information Exchange Supported
   Country: US   Environment: Indoor/Outdoor
      Channels [1 - 11] @ 16 dBm
   WPS:    * Version: 1.0
       * Wi-Fi Protected Setup State: 2 (Configured)
       * Response Type: 3 (AP)
       * UUID: 28802880-2880-1880-a880-001dd17217a0
       * Manufacturer: ARRIS
       * Model: TG862G
       * Model Number: RT2860
       * Serial Number: 12345678
       * Primary Device Type: 6-0050f204-1
       * Device name: ARRIS TG862 Router
       * Config methods: Label, PBC
       * RF Bands: 0x1
BSS c0:3f:0e:b4:5b:98 (on wlan0)
   TSF: 1693709159042 usec (19d, 14:28:29)
   freq: 2462
   beacon interval: 100
   capability: ESS Privacy ShortSlotTime (0x0411)
   signal: -72.00 dBm
   last seen: 0 ms ago
   Information elements from Probe Response frame:
   SSID: ShellaNet
   Supported rates: 1.0* 2.0* 5.5 11.0 18.0 24.0 36.0 54.0
   DS Parameter set: channel 11
   ERP: Barker_Preamble_Mode
   Extended supported rates: 6.0 9.0 12.0 48.0
   HT capabilities:
      Capabilities: 0x187c
         HT20
         SM Power Save disabled
         RX Greenfield
         RX HT20 SGI
         RX HT40 SGI
         No RX STBC
         Max AMSDU length: 7935 bytes
         DSSS/CCK HT40
      Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
      Minimum RX AMPDU time spacing: 8 usec (0x06)
      HT RX MCS rate indexes supported: 0-15
      HT TX MCS rate indexes are undefined
   HT operation:
       * primary channel: 11
       * secondary channel offset: no secondary
       * STA channel width: 20 MHz
       * RIFS: 0
       * HT protection: non-HT mixed
       * non-GF present: 0
       * OBSS non-GF present: 1
       * dual beacon: 0
       * dual CTS protection: 0
       * STBC beacon: 0
       * L-SIG TXOP Prot: 0
       * PCO active: 0
       * PCO phase: 0
   WPS:    * Version: 1.0
       * Wi-Fi Protected Setup State: 2 (Configured)
       * Selected Registrar: 0x0
       * Response Type: 3 (AP)
       * UUID: 2f89944a-43fa-f278-f97d-4a6b6730ccf3
       * Manufacturer: NETGEAR, Inc.
       * Model: WNR2000v2
       * Model Number: WNR2000v2
       * Serial Number: 01
       * Primary Device Type: 6-0050f204-1
       * Device name: WNR2000v2
       * Config methods: Label, PBC
   WMM:    * Parameter version 1
       * u-APSD
       * BE: CW 15-1023, AIFSN 3
       * BK: CW 15-1023, AIFSN 7
       * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
       * VO: CW 3-7, AIFSN 2, TXOP 1504 usec
BSS e0:91:f5:bf:80:6f (on wlan0)
   TSF: 160024938729 usec (1d, 20:27:04)
   freq: 2417
   beacon interval: 100
   capability: ESS Privacy ShortPreamble ShortSlotTime (0x0431)
   signal: -84.00 dBm
   last seen: 0 ms ago
   SSID: Fantasia
   Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0* 9.0 12.0* 18.0
   DS Parameter set: channel 2
   Country: US   Environment: Indoor/Outdoor
      Channels [1 - 11] @ 27 dBm
   RSN:    * Version: 1
       * Group cipher: CCMP
       * Pairwise ciphers: CCMP
       * Authentication suites: PSK
       * Capabilities: (0x0000)
   ERP: <no flags>
   Extended supported rates: 24.0* 36.0 48.0 54.0
   WMM:    * Parameter version 1
       * u-APSD
       * BE: CW 15-1023, AIFSN 3
       * BK: CW 15-1023, AIFSN 7
       * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
       * VO: CW 3-7, AIFSN 2, TXOP 1504 usec
   HT capabilities:
      Capabilities: 0x114e
         HT20/HT40
         SM Power Save disabled
         RX HT40 SGI
         RX STBC 1-stream
         Max AMSDU length: 3839 bytes
         DSSS/CCK HT40
      Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
      Minimum RX AMPDU time spacing: 8 usec (0x06)
      HT RX MCS rate indexes supported: 0-7
      HT TX MCS rate indexes are undefined
   HT operation:
       * primary channel: 2
       * secondary channel offset: above
       * STA channel width: any
       * RIFS: 1
       * HT protection: no
       * non-GF present: 0
       * OBSS non-GF present: 0
       * dual beacon: 0
       * dual CTS protection: 0
       * STBC beacon: 0
       * L-SIG TXOP Prot: 0
       * PCO active: 0
       * PCO phase: 0
   WPS:    * Version: 1.0
       * Wi-Fi Protected Setup State: 2 (Configured)
       * Response Type: 3 (AP)
       * UUID: 00000000-0000-1000-0000-e091f5bf806f
       * Manufacturer: Netgear, Inc.
       * Model: WNR1000v2
       * Model Number: V2H1
       * Serial Number: none
       * Primary Device Type: 6-0050f204-1
       * Device name: WNR1000v2-VC(Wireless AP-2.4G)
       * Config methods: Ethernet, Label, PBC
       * RF Bands: 0x3
BSS c0:3f:0e:8d:2b:72 (on wlan0)
   TSF: 1681100166 usec (0d, 00:28:01)
   freq: 2417
   beacon interval: 100
   capability: ESS Privacy ShortPreamble ShortSlotTime (0x0431)
   signal: -85.00 dBm
   last seen: 3168 ms ago
   SSID: FABER
   Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0
   DS Parameter set: channel 2
   TIM: DTIM Count 1 DTIM Period 2 Bitmap Control 0x0 Bitmap[0] 0x0
   ERP: <no flags>
   RSN:    * Version: 1
       * Group cipher: CCMP
       * Pairwise ciphers: CCMP
       * Authentication suites: PSK
       * Capabilities: (0x0000)
   Extended supported rates: 24.0 36.0 48.0 54.0
   WMM:    * Parameter version 1
       * u-APSD
       * BE: CW 15-1023, AIFSN 3
       * BK: CW 15-1023, AIFSN 7
       * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
       * VO: CW 3-7, AIFSN 2, TXOP 1504 usec
   HT capabilities:
      Capabilities: 0x11cc
         HT20
         SM Power Save disabled
         RX HT40 SGI
         TX STBC
         RX STBC 1-stream
         Max AMSDU length: 3839 bytes
         DSSS/CCK HT40
      Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
      Minimum RX AMPDU time spacing: 8 usec (0x06)
      HT RX MCS rate indexes supported: 0-15
      HT TX MCS rate indexes are undefined
   HT operation:
       * primary channel: 2
       * secondary channel offset: no secondary
       * STA channel width: 20 MHz
       * RIFS: 1
       * HT protection: no
       * non-GF present: 0
       * OBSS non-GF present: 0
       * dual beacon: 0
       * dual CTS protection: 0
       * STBC beacon: 0
       * L-SIG TXOP Prot: 0
       * PCO active: 0
       * PCO phase: 0
   WPS:    * Version: 1.0
       * Wi-Fi Protected Setup State: 2 (Configured)
       * UUID: 00000000-0000-1000-0000-c03f0e8d2b72
       * RF Bands: 0x3
BSS 4c:e6:76:a9:1e:a4 (on wlan0)
   TSF: 521091266124 usec (6d, 00:44:51)
   freq: 2437
   beacon interval: 100
   capability: ESS Privacy ShortPreamble SpectrumMgmt ShortSlotTime (0x0531)
   signal: -86.00 dBm
   last seen: 0 ms ago
   SSID: 1707 sacramento
   Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0
   DS Parameter set: channel 6
   Power constraint: 0 dB
   RSN:    * Version: 1
       * Group cipher: TKIP
       * Pairwise ciphers: CCMP TKIP
       * Authentication suites: PSK
       * Capabilities: (0x0000)
   WPA:    * Version: 1
       * Group cipher: TKIP
       * Pairwise ciphers: CCMP TKIP
       * Authentication suites: PSK
   ERP: <no flags>
   Extended supported rates: 24.0 36.0 48.0 54.0
   WMM:    * Parameter version 1
       * BE: CW 15-1023, AIFSN 3
       * BK: CW 15-1023, AIFSN 7
       * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
       * VO: CW 3-7, AIFSN 2, TXOP 1504 usec
   HT capabilities:
      Capabilities: 0x13cc
         HT20
         SM Power Save disabled
         RX HT40 SGI
         TX STBC
         RX STBC 3-streams
         Max AMSDU length: 3839 bytes
         DSSS/CCK HT40
      Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
      Minimum RX AMPDU time spacing: 8 usec (0x06)
      HT RX MCS rate indexes supported: 0-15
      HT TX MCS rate indexes are undefined
   HT operation:
       * primary channel: 6
       * secondary channel offset: no secondary
       * STA channel width: 20 MHz
       * RIFS: 0
       * HT protection: nonmember
       * non-GF present: 0
       * OBSS non-GF present: 1
       * dual beacon: 0
       * dual CTS protection: 0
       * STBC beacon: 0
       * L-SIG TXOP Prot: 0
       * PCO active: 0
       * PCO phase: 0
   Extended capabilities: HT Information Exchange Supported
   WPS:    * Version: 1.0
       * Wi-Fi Protected Setup State: 2 (Configured)
       * Response Type: 3 (AP)
       * UUID: 640bf945-8adf-59e1-aa61-3528a4c8d8da
       * Manufacturer: DD-WRT
       * Model: WHR-HP-G300N
       * Model Number: 0
       * Serial Number: 12345
       * Primary Device Type: 6-0050f204-1
       * Device name: DD-WRT
       * Config methods: Label, Display, Keypad
       * RF Bands: 0x1
BSS 00:03:2f:2b:5c:df (on wlan0)
   TSF: 602310860855 usec (6d, 23:18:30)
   freq: 2437
   beacon interval: 100
   capability: ESS Privacy ShortPreamble ShortSlotTime (0x0431)
   signal: -82.00 dBm
   last seen: 3054 ms ago
   SSID: sockmonkey
   Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 12.0 24.0 36.0
   DS Parameter set: channel 6
   TIM: DTIM Count 0 DTIM Period 1 Bitmap Control 0x0 Bitmap[0] 0x0
   ERP: <no flags>
   Extended supported rates: 9.0 18.0 48.0 54.0


I didn't see anything of interest in that stuff :(

Does someone have another idea ? Or perhaps, does someone understand the outputs better than me :oops: ?

Thanks

Baptiste
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chithanh
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Posts: 1678
Location: Berlin, Germany

PostPosted: Sat Oct 06, 2012 9:07 pm    Post subject: Reply with quote

The output looks totally fine. The kernel detects and drives your wireless correctly. wpa_supplicant does spew some errors, but that is normal. Just make sure that it is called with -Dnl80211 parameter.
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wichtounet
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PostPosted: Sat Oct 06, 2012 10:13 pm    Post subject: Reply with quote

chithanh wrote:
The output looks totally fine. The kernel detects and drives your wireless correctly. wpa_supplicant does spew some errors, but that is normal. Just make sure that it is called with -Dnl80211 parameter.


The thing is that it works when I switch my kernel with the exact same configuration. So, imho, I doesn't comes from configuration flag ?
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DONAHUE
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PostPosted: Sat Oct 06, 2012 10:18 pm    Post subject: Reply with quote

anything at /var/log/wicd ?

have you poked around the wicd gui? you can set nl80211 as driver there and order connection

your iw output is missing the magic word
Quote:
associated
as in
Quote:
BSS 00:01:f5:b7:18:5b (on wlan0) -- associated
shown versus bss for my router

@chitanh thanks for introducing iw
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PostPosted: Sun Oct 07, 2012 12:36 am    Post subject: Reply with quote

DONAHUE wrote:
anything at /var/log/wicd ?


Nothing of interest. There are only a line about the fact that no network has been detected...

DONAHUE wrote:
have you poked around the wicd gui? you can set nl80211 as driver there and order connection


Yes, I tried to change the driver from wext to nl80211, but it didn't change anything.

DONAHUE wrote:
your iw output is missing the magic word
Quote:
associated
as in
Quote:
BSS 00:01:f5:b7:18:5b (on wlan0) -- associated
shown versus bss for my router


You're right. When I'm running my 3.5.4 kernel, it has the associated magic work in it. What can I do "associate" it ?
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DONAHUE
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PostPosted: Sun Oct 07, 2012 12:45 am    Post subject: Reply with quote

does menuconfig have?
Quote:
[*] Networking support --->
--- Networking support
Networking options --->
[ ] Amateur Radio support --->
< > CAN bus subsystem support --->
< > IrDA (infrared) subsystem support --->
< > Bluetooth subsystem support --->
< > RxRPC session sockets
-*- Wireless --->
--- Wireless
<M> cfg80211 - wireless configuration API
[ ] nl80211 testmode command
[ ] enable developer warnings
[ ] cfg80211 regulatory debugging
[ ] enable powersave by default
[ ] cfg80211 DebugFS entries
[*] cfg80211 wireless extensions compatibility
<M> Common routines for IEEE802.11 drivers
[ ] lib80211 debugging messages
<M> Generic IEEE 802.11 Networking Stack (mac80211)
Default rate control algorithm (Minstrel) --->
[ ] Enable mac80211 mesh networking (pre-802.11s) support
[ ] Export mac80211 internals in DebugFS
[ ] Trace all mac80211 debug messages
[ ] Select mac80211 debugging features --->
< > WiMAX Wireless Broadband support --->
<*> RF switch subsystem support --->
< > Plan 9 Resource Sharing Support (9P2000) --->
< > CAIF support --->
< > Ceph core library (EXPERIMENTAL)
< > NFC subsystem support (EXPERIMENTAL) --->

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PostPosted: Sun Oct 07, 2012 1:24 am    Post subject: Reply with quote

DONAHUE wrote:
does menuconfig have?
Quote:

[*] cfg80211 wireless extensions compatibility


Oh my gosh... I'm such a moron... It was disabled :(

Thank you to have pointed that out and sorry for having wasted your time with such a stupid mistake :oops:

Thanks
Baptiste
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DONAHUE
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PostPosted: Sun Oct 07, 2012 1:27 am    Post subject: Reply with quote

After the recompile please try both wext and nl80211 drivers with wicd and post your findings.
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PostPosted: Sun Oct 07, 2012 1:52 am    Post subject: Reply with quote

Code:
 [*] cfg80211 wireless extensions compatibility
Using that is generally not optimal. This is why the kernel disables it by default. Wireless extensions exist only for legacy compatibility, and they will not offer regulatory domain support among other things (so you will be in "world" domain with limited txpower and passive scanning only). Finding what still uses wext and switching it to nl80211 would be a better idea.
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DONAHUE
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PostPosted: Sun Oct 07, 2012 2:07 am    Post subject: Reply with quote

@ wichtounet
does wicd and 3.6 kernel work with [*] cfg80211 wireless extensions compatibility compiled in?
with driver wext?
with driver nl80211?
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DONAHUE
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PostPosted: Sun Oct 07, 2012 4:50 am    Post subject: Reply with quote

@chithanh
Possibly the nl80211 driver doesn't use the extensions and doesn't care if they are available.
Even with [*] cfg80211 wireless extensions compatibility, going to nl80211 driver did increase my reported bits per second from 150 to 240. Thanks for that.

Edited to remove statement that
Quote:
[ ] cfg80211 wireless extensions compatibility
was preventing selecting iwlwifi.
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Last edited by DONAHUE on Mon Oct 08, 2012 1:16 am; edited 1 time in total
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wichtounet
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PostPosted: Sun Oct 07, 2012 6:19 am    Post subject: Reply with quote

DONAHUE wrote:
@ wichtounet
does wicd and 3.6 kernel work with [*] cfg80211 wireless extensions compatibility compiled in?
with driver wext?
with driver nl80211?


Yes, everything works fine with both driver from wicd.
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