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Mám tu pro mně podivný problém s Wifi kartou Intel PRO/Wireless 3945 v gentoo na notebooku dell precision M4300. Zdá se že nehodlý být zapnutá pokud nejsem aktivně přihlášen do nějaké sítě. Pokud zapnu HW switch na notebooku a dám rmmod iwl3945 a modprobe iwl3945 jak jsem již někde vyčetl tak se rozsvítí dioda signalizující aktivování WiFi a můžu bez problémů provést iwlist wlan0 scan . Ale to trvá jen cca 30s (podle počtu Ap okolo ) a následně zase vše zhasne a systém se tváří že zařízení wlan0 neexistuje. Pokud ale je v dosahu síť která mně "pustí" dovnitř tak se do ní notebook v pohodě připojí , didoda maká, scanování taky naprosto bez problémů Zkoušel jsem si na notebooku spustit nějaké Live distro (Open SuSe 11.x tam se to takhle nechová, sice nerozsvěcuje diody, ale jinak maká a nevypíná se, ale na rozdíl jsem nepřišel ) Zkoušel jsem vše na distribučním jádře, posledním stabilním (na tom dělám pokusy teď 2.6.26.3) i na 2.6.27-rc5 vše stejné, jen v tom distribučním nesvítí ta lEDka vůbec Zkoušel jsem iwconfig wlan0 txpower on (a různý další hodnoty co sem našel v manuálu )ifconfig wlan0 up (to vrací že zařízení neexistuje) Prosím tedy o radu co dále. Fungovat to přeci musí když to makalo na tom Live CD , přijde mi že to je někde nějaké "malé" nastavení s velkými důsledky. Pár výstupů :

dmesg po modprobe iwl3945 kdz6 nen9 v dosahu AP

iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 1.2.26kds
iwl3945: Copyright(c) 2003-2008 Intel Corporation
ACPI: PCI Interrupt 0000:0c:00.0[A] -> GSI 17 (level, low) -> IRQ 17
PCI: Setting latency timer of device 0000:0c:00.0 to 64
iwl3945: Detected Intel Wireless WiFi Link 3945ABG
iwl3945: Tunable channels: 13 802.11bg, 23 802.11a channels
phy9: Selected rate control algorithm 'iwl-3945-rs'
ACPI: PCI Interrupt 0000:0c:00.0[A] -> GSI 17 (level, low) -> IRQ 17
firmware: requesting iwlwifi-3945-1.ucode
Registered led device: iwl-phy9:radio
Registered led device: iwl-phy9:assoc
Registered led device: iwl-phy9:RX
Registered led device: iwl-phy9:TX
ADDRCONF(NETDEV_UP): wlan0: link is not ready
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: MAC is in deep sleep!
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: MAC is in deep sleep!
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: MAC is in deep sleep!
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC

dmesg kdzž v dosahu AP je

iwl3945: Detected Intel Wireless WiFi Link 3945ABG
iwl3945: Tunable channels: 13 802.11bg, 23 802.11a channels
phy10: Selected rate control algorithm 'iwl-3945-rs'
ACPI: PCI Interrupt 0000:0c:00.0[A] -> GSI 17 (level, low) -> IRQ 17
firmware: requesting iwlwifi-3945-1.ucode
Registered led device: iwl-phy10:radio
Registered led device: iwl-phy10:assoc
Registered led device: iwl-phy10:RX
Registered led device: iwl-phy10:TX
ADDRCONF(NETDEV_UP): wlan0: link is not ready
wlan0: Initial auth_alg=0
wlan0: authenticate with AP 00:02:cf:7f:c5:56
wlan0: RX authentication from 00:02:cf:7f:c5:56 (alg=0 transaction=2 status=0)
wlan0: authenticated
wlan0: associate with AP 00:02:cf:7f:c5:56
wlan0: authentication frame received from 00:02:cf:7f:c5:56, but not in authenticate state - ignored
wlan0: authentication frame received from 00:02:cf:7f:c5:56, but not in authenticate state - ignored
wlan0: authentication frame received from 00:02:cf:7f:c5:56, but not in authenticate state - ignored
wlan0: authentication frame received from 00:02:cf:7f:c5:56, but not in authenticate state - ignored
wlan0: authentication frame received from 00:02:cf:7f:c5:56, but not in authenticate state - ignored
wlan0: authentication frame received from 00:02:cf:7f:c5:56, but not in authenticate state - ignored
wlan0: authentication frame received from 00:02:cf:7f:c5:56, but not in authenticate state - ignored
wlan0: authentication frame received from 00:02:cf:7f:c5:56, but not in authenticate state - ignored
wlan0: RX AssocResp from 00:02:cf:7f:c5:56 (capab=0x401 status=0 aid=1)
wlan0: associated
wlan0: switched to short barker preamble (BSSID=00:02:cf:7f:c5:56)
ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
wlan0: Initial auth_alg=0
wlan0: authenticate with AP 00:02:cf:7f:c5:56
wlan0: RX authentication from 00:02:cf:7f:c5:56 (alg=0 transaction=2 status=0)
wlan0: authenticated
wlan0: associate with AP 00:02:cf:7f:c5:56
wlan0: Initial auth_alg=0
wlan0: authenticate with AP 00:02:cf:7f:c5:56
wlan0: RX authentication from 00:02:cf:7f:c5:56 (alg=0 transaction=2 status=0)
wlan0: authenticated
wlan0: associate with AP 00:02:cf:7f:c5:56
wlan0: RX ReassocResp from 00:02:cf:7f:c5:56 (capab=0x401 status=0 aid=1)
wlan0: associated
wlan0: authentication frame received from 00:02:cf:7f:c5:56, but not in authenticate state - ignored
wlan0: association frame received from 00:02:cf:7f:c5:56, but not in associate state - ignored

Někde jsem našel možnost zadat modulu debug, takhle pak vypadá dmesg

iwl3945: Detected Intel Wireless WiFi Link 3945ABG
iwl3945: Tunable channels: 13 802.11bg, 23 802.11a channels
phy12: Selected rate control algorithm 'iwl-3945-rs'
iwl3945: U iwl3945_mac_start enter
ACPI: PCI Interrupt 0000:0c:00.0[A] -> GSI 17 (level, low) -> IRQ 17
firmware: requesting iwlwifi-3945-1.ucode
iwl3945: U iwl3945_hw_nic_init SW RF KILL supported in EEPROM.
iwl3945: U iwl3945_hw_nic_init HW RF KILL supported in EEPROM.
Registered led device: iwl-phy12:radio
Registered led device: iwl-phy12:assoc
Registered led device: iwl-phy12:RX
Registered led device: iwl-phy12:TX
iwl3945: U iwl3945_mac_start leave
iwl3945: U iwl3945_mac_add_interface enter: type 2
iwl3945: U iwl3945_mac_add_interface Set: 00:1f:3c:7e:bc:98
iwl3945: U iwl3945_mac_add_interface leave
iwl3945: U iwl3945_mac_config_interface bssid: 00:00:00:00:00:00
iwl3945: U iwl3945_mac_config_interface leave
iwl3945: U iwl3945_mac_config enter to channel 1
iwl3945: U iwl3945_mac_config leave
ADDRCONF(NETDEV_UP): wlan0: link is not ready
iwl3945: U iwl3945_mac_hw_scan enter
iwl3945: U iwl3945_mac_hw_scan leave
iwl3945: U iwl3945_mac_config enter to channel 1
iwl3945: U iwl3945_mac_config leave
iwl3945: U iwl3945_mac_hw_scan enter
iwl3945: U iwl3945_mac_config enter to channel 1
iwl3945: U iwl3945_radio_kill_sw Manual SW RF KILL set to: RADIO OFF
iwl3945: I iwl3945_rx_card_state_notif Card state received: HW:On SW:Kill
iwl3945: U iwl3945_mac_config leave - radio disabled
iwl3945: U iwl3945_bg_rf_kill Can not turn radio back on - disabled by SW switch
iwl3945: U iwl3945_mac_remove_interface enter
iwl3945: U iwl3945_mac_remove_interface leave
iwl3945: U iwl3945_mac_stop enter
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: U _iwl3945_grab_nic_access power-down complete, gpctl = 0x0c0003d4
iwl3945: MAC is in deep sleep!
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: U _iwl3945_grab_nic_access Wait for complete power-down, gpctl = 0x0c0003dd
iwl3945: MAC is in deep sleep!
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: U _iwl3945_grab_nic_access Wait for complete power-down, gpctl = 0x0c0003dd
iwl3945: MAC is in deep sleep!
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: U _iwl3945_grab_nic_access Wait for complete power-down, gpctl = 0x080003c1
iwl3945: U iwl3945_mac_stop leave