[hack] scheda intel pro wireless 3945

lore lorenzo.bianconi@aliceposta.it
Mar 11 Mar 2008 17:12:59 CET


Ciao a tutti..

 

Hai ragione Dario..I'm sorry..

 

Avevo provato ad installare la scheda compilando a mano i dirver perchè
la procedura tramite apt non aveva dato nessun risultato..

 

Sono passato al kernel 2.6.24 installando debian-sid...tuttavia ancora
la scheda wireless non funziona correttamente...

 

Adesso la scheda viene caricata regolarmente all'avvio..infatti ottengo
queste informazioni da dmesg

 

debian:/home/lore# dmesg | grep iwl

iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for
Linux, 1.1.17ks

iwl3945: Copyright(c) 2003-2007 Intel Corporation

iwl3945: Detected Intel PRO/Wireless 3945ABG Network Connection

iwl3945: Tunable channels: 13 802.11bg, 23 802.11a channels

phy0: Selected rate control algorithm 'iwl-3945-rs'

ADDRCONF(NETDEV_UP): wlan0: link is not ready

 

Appena acceso il pc digitando iwconfig/ifconfig ottengo:

 

debian:/home/lore# ifconfig 

eth1      Link encap:Ethernet  HWaddr 00:a0:d1:34:e0:b2  

          inet addr:10.22.107.112  Bcast:10.22.107.255
Mask:255.255.255.0

          inet6 addr: fe80::2a0:d1ff:fe34:e0b2/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:571 errors:0 dropped:0 overruns:0 frame:0

          TX packets:119 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:100 

          RX bytes:136101 (132.9 KiB)  TX bytes:20392 (19.9 KiB)

          Base address:0x3000 Memory:f0600000-f0620000 

 

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:152 errors:0 dropped:0 overruns:0 frame:0

          TX packets:152 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0 

          RX bytes:11984 (11.7 KiB)  TX bytes:11984 (11.7 KiB)

 

wlan0     Link encap:Ethernet  HWaddr 00:19:d2:ce:46:85  

          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
00-19-D2-CE-46-85-65-74-00-00-00-00-00-00-00-00  

          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)

 

debian:/home/lore# iwconfig 

lo        no wireless extensions.

 

eth1      no wireless extensions.

 

wmaster0  no wireless extensions.

 

wlan0     IEEE 802.11g  ESSID:""  

          Mode:Managed  Frequency:2.412 GHz  Access Point:
Not-Associated   

          Tx-Power=27 dBm   

          Retry min limit:7   RTS thr:off   Fragment thr=2346 B   

          Encryption key:off

          Link Quality:0  Signal level:0  Noise level:0

          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0

          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

 

Successivamente quando provo ad associarmi all'ap ottengo:

 

debian:/home/lore# iwconfig wlan0 essid wifi-it-hq

debian:/home/lore# iwconfig wlan0

wlan0     IEEE 802.11g  ESSID:"wifi-it-hq"  

          Mode:Managed  Frequency:2.427 GHz  Access Point:
00:12:01:B5:3E:10   

          Tx-Power=27 dBm   

          Retry min limit:7   RTS thr:off   Fragment thr=2346 B   

          Encryption key:off

          Link Quality:0  Signal level:0  Noise level:0

          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0

          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

 

Adesso da dmesg ottengo:

 

iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for
Linux, 1.1.17ks

iwl3945: Copyright(c) 2003-2007 Intel Corporation

iwl3945: Detected Intel PRO/Wireless 3945ABG Network Connection

iwl3945: Tunable channels: 13 802.11bg, 23 802.11a channels

phy0: Selected rate control algorithm 'iwl-3945-rs'

ADDRCONF(NETDEV_UP): wlan0: link is not ready

wlan0: Initial auth_alg=0

wlan0: authenticate with AP 00:12:01:b5:3e:10

wlan0: authenticate with AP 00:12:01:b5:3e:10

wlan0: authenticate with AP 00:12:01:b5:3e:10

wlan0: authentication with AP 00:12:01:b5:3e:10 timed out

 

ma digitando dhclient wlan0 ottengo:

 

debian:/home/lore# dhclient wlan0

Internet Systems Consortium DHCP Client V3.1.0

Copyright 2004-2007 Internet Systems Consortium.

All rights reserved.

For info, please visit http://www.isc.org/sw/dhcp/

 

wmaster0: unknown hardware address type 801

wmaster0: unknown hardware address type 801

Listening on LPF/wlan0/00:19:d2:ce:46:85

Sending on   LPF/wlan0/00:19:d2:ce:46:85

Sending on   Socket/fallback

DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3

DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8

DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 14

DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 13

DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 14

DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7

DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 2

No DHCPOFFERS received.

No working leases in persistent database - sleeping.

 

e questo adesso è quello che ottengo da iwconfig/ifconfig:

 

debian:/home/lore# iwconfig 

lo        no wireless extensions.

 

eth1      no wireless extensions.

 

wmaster0  no wireless extensions.

 

wlan0     IEEE 802.11g  ESSID:"wifi-it-hq"  

          Mode:Managed  Frequency:2.427 GHz  Access Point:
00:12:01:B5:3E:10   

          Tx-Power=27 dBm   

          Retry min limit:7   RTS thr:off   Fragment thr=2346 B   

          Encryption key:off

          Link Quality:0  Signal level:0  Noise level:0

          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0

          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

 

debian:/home/lore# ifconfig 

eth1      Link encap:Ethernet  HWaddr 00:a0:d1:34:e0:b2  

          inet addr:10.22.107.112  Bcast:10.22.107.255
Mask:255.255.255.0

          inet6 addr: fe80::2a0:d1ff:fe34:e0b2/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:992 errors:0 dropped:0 overruns:0 frame:0

          TX packets:129 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:100 

          RX bytes:192900 (188.3 KiB)  TX bytes:21080 (20.5 KiB)

          Base address:0x3000 Memory:f0600000-f0620000 

 

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:152 errors:0 dropped:0 overruns:0 frame:0

          TX packets:152 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0 

          RX bytes:11984 (11.7 KiB)  TX bytes:11984 (11.7 KiB)

 

wlan0     Link encap:Ethernet  HWaddr 00:19:d2:ce:46:85  

          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
00-19-D2-CE-46-85-65-74-00-00-00-00-00-00-00-00  

          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)

 

 

Per provare a connetermi ho utilizzato sia programmi come wifi-radar,
wicd, network manager (in questo caso il programma prova ad ottenere
l'indirizzo di rete ma non riesco ad acquisirlo, cioè lavorano per un
pò ma non danno risultati) e da riga di comando con "iwconfig wlan0
essid xxxxx channel xxxx mode managed key open s:xxxx"

 

Secondo me il problema è quel "link is not ready" che ottengo da dmesg;
infatti le volte che mi connettevo ottenevo da dmesg "link becames
ready"..

 

Ho provato a mettermi accanto all'AP per risolvere il problema della
potenza del segnale... ma niente...non riesco ad associarmi...con win
dalle stesse posizioni vedo perfettamente l'AP..

 

Grazie per l'aiuto.

 

Ciao

 

Lorenzo 

 

 

 







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