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t41 wireless

i've so far been unable to get the built-in wireless card to 
work on my new (used) ibm t41, running ubuntu gutsy.  the 
built in wired eth0 works fine. 

lshw -C network shows the wireless card as being wifi0 using 
driver ath-pci.  lsmod shows ath-pci is installed. 

though lshw claims that wifi0 is the wireless device, 
iwconfig says it isn't. 

iwlist wifi0 scan gives an error, whereas iwlist ath0 scan 
shows all the neighborhood nodes. 

so i configured ath0 as follows: 

  iwconfig ath0 essid moylan-net key s:(passwd) ap 00:09:5B:23:8A:26 
  ifconfig ath0 broadcast up 
  route add default gw 

iwconfig shows: 
lo        no wireless extensions. 
eth0      no wireless extensions. 
wifi0     no wireless extensions. 
irda0     no wireless extensions. 

ath0      IEEE 802.11g  ESSID:"moylan-net"  Nickname:"" 
          Mode:Managed  Channel:0  Access Point: 00:09:5B:23:8A:26 
          Bit Rate:0 kb/s   Tx-Power:14 dBm   Sensitivity=1/1 
          Retry:off   RTS thr:off   Fragment thr:off 
          Power Management:off 
          Link Quality=0/70  Signal level=-96 dBm  Noise level=-96 dBm 
          Rx invalid nwid:306293  Rx invalid crypt:0  Rx invalid frag:0 
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0 

(this signal level is spooky, because iwlist scan shows it at -39dBm.) 

ifconfig shows: 
ath0      Link encap:Ethernet  HWaddr 00:05:4E:46:3B:76 
          inet addr:  Bcast:  Mask: 
          inet6 addr: fe80::205:4eff:fe46:3b76/64 Scope:Link 
          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:0 
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b) 

lo        Link encap:Local Loopback 
          inet addr:  Mask: 
          inet6 addr: ::1/128 Scope:Host 
          UP LOOPBACK RUNNING  MTU:16436  Metric:1 
          RX packets:3497 errors:0 dropped:0 overruns:0 frame:0 
          TX packets:3497 errors:0 dropped:0 overruns:0 carrier:0 
          collisions:0 txqueuelen:0 
          RX bytes:152661 (149.0 KB)  TX bytes:152661 (149.0 KB) 

and route shows: 
Kernel IP routing table 
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface     *        U     0      0        0 ath0 
default         netgear.localdo         UG    0      0        0 ath0 

still, something's missing.  any suggestions are welcome. 

btw, i fiddled ad nauseum with the ubuntu network gui and 
got nowhere. 


j. daniel moylan 
84 harvard ave 
brookline, ma 02446-6202 
617-232-2360 (tel) 
810-454-1823 (fax) 
[hidden email] 
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