Re: [Hampshire] Wireless Woes

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Author: B STEVENS
Date:  
To: Hampshire LUG Discussion List
Subject: Re: [Hampshire] Wireless Woes
Hi, Sean.

> - make and model of your wireless adapter


Intel Corporation PRO/Wireless 3945ABG Network Connection (rev 02)

> - the output of 'lspci -vv' (or 'lsusb -vv' if it is a usb

device)

06:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG Network Connection (rev 02)
    Subsystem: Intel Corporation Device 1001
    Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
    Latency: 0, Cache Line Size: 64 bytes
    Interrupt: pin A routed to IRQ 218
    Region 0: Memory at c2000000 (32-bit, non-prefetchable) [size=4K]
    Capabilities: [c8] Power Management version 2
        Flags: PMEClk- DSI+ D1- D2-
 AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
        Status: D0 PME-Enable- DSel=0 DScale=0 PME-
    Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+
        Address: 00000000fee0300c  Data: 414a
    Capabilities: [e0] Express (v1) Legacy Endpoint, MSI 00
        DevCap:    MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, L1 unlimited
            ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset-
        DevCtl:    Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
            RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
            MaxPayload 128 bytes, MaxReadReq 128 bytes
        DevSta:    CorrErr+ UncorrErr+ FatalErr- UnsuppReq+ AuxPwr+ TransPend-
        LnkCap:    Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <128ns, L1 <64us
            ClockPM+ Suprise- LLActRep- BwNot-
        LnkCtl:    ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+
            ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
        LnkSta:    Speed 2.5GT/s, Width x1,
 TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
    Capabilities: [100] Advanced Error Reporting <?>
    Capabilities: [140] Device Serial Number ce-01-04-ff-ff-3c-1f-00
    Kernel driver in use: iwl3945
    Kernel modules: iwl3945



> - the output of 'iwconfig -a'


That didn't work!

> - any errors relating to the wireless interface


# iwconfig wlan0 essid "R"
# iwconfig wlan0 key ee0bfd433d
# iwconfig wlan0 ap 00:1D:68:7C:EF:3D
# iwconfig wlan0
wlan0     IEEE 802.11  ESSID:"BTHomeHub-7E39"  
          Mode:Managed  Frequency:2.462 GHz  Access Point: 00:1D:68:7C:EF:3D   
          Bit Rate=54 Mb/s   Tx-Power=15 dBm   
          Retry min limit:7   RTS thr:off   Fragment thr=2352 B   
          Encryption key:EE0B-FD43-3D
          Link Quality=71/100  Signal level=-63 dBm  Noise level=-78 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx
 excessive retries:0  Invalid misc:0   Missed beacon:0


# iwlist wlan0 scanning
wlan0     Scan completed :
          Cell 01 - Address: 00:1D:68:7C:EF:3D
                    ESSID:"BTHomeHub-7E39"
                    Mode:Master
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=84/100  Signal level=-50 dBm  Noise level=-81 dBm
                    Encryption key:on
                    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; 6 Mb/s; 9 Mb/s
                              12 Mb/s; 48 Mb/s
                    Extra:tsf=00000017cfbef18c


Well, that's a first. It actually

> I am certain there is more but that will do for a start.


output of ifconfig -a :

# ifconfig -a

eth0      Link encap:Ethernet  HWaddr 00:1e:68:28:8e:9d  
          inet
 addr:192.168.1.71  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::21e:68ff:fe28:8e9d/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2955 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3027 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:2151871 (2.0 MiB)  TX bytes:314752 (307.3 KiB)
          Interrupt:17 


lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:1049 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1049 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:61726 (60.2 KiB)  TX bytes:61726 (60.2 KiB)


wlan0     Link encap:Ethernet  HWaddr 00:1f:3c:04:01:ce  


       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)


wmaster0  Link encap:UNSPEC  HWaddr 00-1F-3C-04-01-CE-65-74-00-00-00-00-00-00-00-00  
          UP BROADCAST RUNNING 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)


output of dmesg | grep iwl :

[ 10.940547] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 1.2.26ks
[ 10.940547] iwl3945: Copyright(c) 2003-2008 Intel Corporation
[ 10.940547] iwl3945 0000:06:00.0: enabling device (0000 -> 0002)
[ 10.940547]
iwl3945: Detected Intel Wireless WiFi Link 3945ABG
[ 11.000925] iwl3945: Tunable channels: 13 802.11bg, 23 802.11a channels
[ 11.036548] phy0: Selected rate control algorithm 'iwl-3945-rs'
[ 25.669029] firmware: requesting iwlwifi-3945-1.ucode
[ 25.773825] Registered led device: iwl-phy0:radio
[ 25.773825] Registered led device: iwl-phy0:assoc
[ 25.773825] Registered led device: iwl-phy0:RX
[ 25.773825] Registered led device: iwl-phy0:TX
[ 242.387672] iwl3945: Radio Frequency Kill Switch is On: