英特尔无线"siocsifflags: 由于RF杀死而无法操作"?

分享于 

20分钟阅读

ubuntu

  繁體

问题

我的wlan0掉线了。当我尝试将其打开时


$ sudo ifconfig wlan0 up



SIOCSIFFLAGS: Operation not possible due to RF-kill



然后


$ sudo rfkill list all



0: phy0: Wireless LAN 



 Soft blocked: yes



 Hard blocked: no



1: tpacpi_bluetooth_sw: Bluetooth



 Soft blocked: yes



 Hard blocked: yes



错误消息是什么意思?RF-kill是什么?

硬件规格


 $ sudo lshw -class network


 *-network


 description: Ethernet interface


 product: 82573L Gigabit Ethernet Controller


 vendor: Intel Corporation


 physical id: 0


 bus info: pci@0000:02:00.0


 logical name: eth0


 version: 00


 serial: 00:16:d3:22:96:c2


 capacity: 1Gbit/s


 width: 32 bits


 clock: 33MHz


 capabilities: pm msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation


 configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=1.2.20-k2 firmware=0.5-1 latency=0 link=no multicast=yes port=twisted pair


 resources: irq:44 memory:ee000000-ee01ffff ioport:2000(size=32)


 *-network DISABLED


 description: Wireless interface


 product: PRO/Wireless 3945ABG [Golan] Network Connection


 vendor: Intel Corporation


 physical id: 0


 bus info: pci@0000:03:00.0


 logical name: wlan0


 version: 02


 serial: 00:13:02:46:63:74


 width: 32 bits


 clock: 33MHz


 capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless


 configuration: broadcast=yes driver=iwl3945 driverversion=2.6.38-11-generic firmware=15.32.2.9 latency=0 link=no multicast=yes wireless=IEEE 802.11abg


 resources: irq:45 memory:edf00000-edf00fff



操作系统版本和内核版本


$ cat /etc/lsb-release 


DISTRIB_ID=Ubuntu


DISTRIB_RELEASE=11.04


DISTRIB_CODENAME=natty


DISTRIB_DESCRIPTION="Ubuntu 11.04"


$ uname -r


2.6.38-11-generic



"SIOCSIFFLAGS: No such device"

禁用,并启用wli3945后Dmesg,WiFi被阻止


# modprobe -r iwl3945


# modprobe iwl3945


# dmesg|tail -n 50


[ 6835.430537] PM: resume of devices complete after 1889.701 msecs


[ 6835.430800] PM: resume devices took 1.888 seconds


[ 6835.430845] PM: Finishing wakeup.


[ 6835.430847] Restarting tasks ... done.


[ 6835.502666] video LNXVIDEO:00: Restoring backlight state


[ 6835.572203] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id


[ 6835.852380] e1000e 0000:02:00.0: irq 46 for MSI/MSI-X


[ 6835.908162] e1000e 0000:02:00.0: irq 46 for MSI/MSI-X


[ 6835.908775] ADDRCONF(NETDEV_UP): eth0: link is not ready


[ 6836.919274] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=600


[ 6837.769253] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=600


[ 6859.097311] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0


[ 6882.076501] e1000e 0000:02:00.0: irq 46 for MSI/MSI-X


[ 6882.132190] e1000e 0000:02:00.0: irq 46 for MSI/MSI-X


[ 6882.132924] ADDRCONF(NETDEV_UP): eth0: link is not ready


[ 6883.722633] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx


[ 6883.722645] e1000e 0000:02:00.0: eth0: 10/100 speed: disabling TSO


[ 6883.723071] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready


[ 6894.000044] eth0: no IPv6 routers present


[ 6896.551932] exe (2743): /proc/2743/oom_adj is deprecated, please use /proc/2743/oom_score_adj instead.


[ 8289.212078] usb 1-2: new high speed USB device using ehci_hcd and address 4


[ 8289.280270] hub 1-0:1.0: unable to enumerate USB device on port 2


[ 8289.608059] usb 1-2: new high speed USB device using ehci_hcd and address 5


[ 8291.006963] usb 1-2: USB disconnect, address 5


[ 8291.308072] usb 1-2: new high speed USB device using ehci_hcd and address 6


[ 8291.591228] usb 1-2: USB disconnect, address 6


[ 9598.556083] usb 1-2: new high speed USB device using ehci_hcd and address 7


[ 9599.059441] usb 1-2: USB disconnect, address 7


[11838.072332] iwl3945 0000:03:00.0: Master Disable Timed Out, 100 usec


[11838.072993] iwl3945 0000:03:00.0: PCI INT A disabled


[11850.210319] cfg80211: Calling CRDA to update world regulatory domain


[11850.218431] cfg80211: World regulatory domain updated:


[11850.218436] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)


[11850.218440] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[11850.218444] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)


[11850.218448] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)


[11850.218452] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[11850.218456] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[11850.291510] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s


[11850.291515] iwl3945: Copyright(c) 2003-2010 Intel Corporation


[11850.291601] iwl3945 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17


[11850.291624] iwl3945 0000:03:00.0: setting latency timer to 64


[11850.331841] iwl3945 0000:03:00.0: Tunable channels: 13 802.11bg, 23 802.11a channels


[11850.331847] iwl3945 0000:03:00.0: Detected Intel Wireless WiFi Link 3945ABG


[11850.332023] iwl3945 0000:03:00.0: irq 45 for MSI/MSI-X


[11850.332274] cfg80211: Ignoring regulatory request Set by core since the driver uses its own custom regulatory domain 


[11850.332436] ieee80211 phy0: Selected rate control algorithm 'iwl-3945-rs'


[11850.361710] iwl3945 0000:03:00.0: loaded firmware version 15.32.2.9


[11850.361885] iwl3945 0000:03:00.0: Radio disabled by HW RF Kill switch


[11850.365924] iwl3945 0000:03:00.0: Radio disabled by HW RF Kill switch



已解锁的Dmesg WiFi


# rfkill list all


1: tpacpi_bluetooth_sw: Bluetooth


 Soft blocked: no


 Hard blocked: yes


2: phy0: Wireless LAN


 Soft blocked: no


 Hard blocked: no


# dmesg|tail -n 50


[ 27.649606] fb0: inteldrmfb frame buffer device


[ 27.649608] drm: registered panic notifier


[ 27.649815] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0


[ 27.662754] HDA Intel 0000:00:1b.0: PCI INT B -> GSI 17 (level, low) -> IRQ 17


[ 27.662760] hda_intel: probe_mask set to 0x1 for device 17aa:2010


[ 27.662831] HDA Intel 0000:00:1b.0: irq 46 for MSI/MSI-X


[ 27.662868] HDA Intel 0000:00:1b.0: setting latency timer to 64


[ 27.769460] pcmcia_socket pcmcia_socket0: cs: IO port probe 0x100-0x3af: excluding 0x170-0x177 0x1f0-0x1f7 0x2f8-0x2ff 0x370-0x377


[ 27.774801] pcmcia_socket pcmcia_socket0: cs: IO port probe 0x3e0-0x4ff: excluding 0x3f0-0x3f7 0x4d0-0x4d7


[ 27.775742] pcmcia_socket pcmcia_socket0: cs: IO port probe 0x820-0x8ff: clean.


[ 27.788575] pcmcia_socket pcmcia_socket0: cs: IO port probe 0xc00-0xcf7: clean.


[ 27.789382] pcmcia_socket pcmcia_socket0: cs: memory probe 0x0c0000-0x0fffff: excluding 0xc0000-0xd3fff 0xdc000-0xfffff


[ 27.789466] pcmcia_socket pcmcia_socket0: cs: memory probe 0xa0000000-0xa0ffffff: clean.


[ 27.789547] pcmcia_socket pcmcia_socket0: cs: memory probe 0x60000000-0x60ffffff: excluding 0x60000000-0x60ffffff


[ 27.789632] pcmcia_socket pcmcia_socket0: cs: IO port probe 0xa00-0xaff: clean.


[ 27.813146] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X


[ 27.868221] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X


[ 27.868866] ADDRCONF(NETDEV_UP): eth0: link is not ready


[ 27.876620] IBM TrackPoint firmware: 0x0e, buttons: 3/3


[ 27.892982] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/input/input6


[ 28.121555] ppdev: user-space parallel port driver


[ 29.426589] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx


[ 29.426597] e1000e 0000:02:00.0: eth0: 10/100 speed: disabling TSO


[ 29.426893] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready


[ 31.009483] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0


[ 34.474875] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0


[ 40.160038] eth0: no IPv6 routers present


[ 7394.332227] exe (1666): /proc/1666/oom_adj is deprecated, please use /proc/1666/oom_score_adj instead.


[ 7587.420396] iwl3945 0000:03:00.0: PCI INT A disabled


[ 7599.728554] cfg80211: Calling CRDA to update world regulatory domain


[ 7599.736628] cfg80211: World regulatory domain updated:


[ 7599.736632] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)


[ 7599.736637] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[ 7599.736641] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)


[ 7599.736645] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)


[ 7599.736649] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[ 7599.736653] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[ 7599.797314] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s


[ 7599.797319] iwl3945: Copyright(c) 2003-2011 Intel Corporation


[ 7599.797397] iwl3945 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17


[ 7599.797419] iwl3945 0000:03:00.0: setting latency timer to 64


[ 7599.837714] iwl3945 0000:03:00.0: Tunable channels: 13 802.11bg, 23 802.11a channels


[ 7599.837719] iwl3945 0000:03:00.0: Detected Intel Wireless WiFi Link 3945ABG


[ 7599.837880] iwl3945 0000:03:00.0: irq 45 for MSI/MSI-X


[ 7599.838124] Registered led device: phy0-led


[ 7599.838170] cfg80211: Ignoring regulatory request Set by core since the driver uses its own custom regulatory domain 


[ 7599.838335] ieee80211 phy0: Selected rate control algorithm 'iwl-3945-rs'


[ 7599.980440] iwl3945 0000:03:00.0: loaded firmware version 15.32.2.9


[ 7599.980656] iwl3945 0000:03:00.0: Radio disabled by HW RF Kill switch


[ 7599.983562] iwl3945 0000:03:00.0: Radio disabled by HW RF Kill switch



Dmesg和Iwl3945没有被阻止WiFi


# modprobe -r iwl3945


# modprobe iwl3945


# dmesg| tail -n 50


[ 29.426597] e1000e 0000:02:00.0: eth0: 10/100 speed: disabling TSO


[ 29.426893] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready


[ 31.009483] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0


[ 34.474875] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0


[ 40.160038] eth0: no IPv6 routers present


[ 7394.332227] exe (1666): /proc/1666/oom_adj is deprecated, please use /proc/1666/oom_score_adj instead.


[ 7587.420396] iwl3945 0000:03:00.0: PCI INT A disabled


[ 7599.728554] cfg80211: Calling CRDA to update world regulatory domain


[ 7599.736628] cfg80211: World regulatory domain updated:


[ 7599.736632] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)


[ 7599.736637] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[ 7599.736641] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)


[ 7599.736645] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)


[ 7599.736649] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[ 7599.736653] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[ 7599.797314] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s


[ 7599.797319] iwl3945: Copyright(c) 2003-2011 Intel Corporation


[ 7599.797397] iwl3945 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17


[ 7599.797419] iwl3945 0000:03:00.0: setting latency timer to 64


[ 7599.837714] iwl3945 0000:03:00.0: Tunable channels: 13 802.11bg, 23 802.11a channels


[ 7599.837719] iwl3945 0000:03:00.0: Detected Intel Wireless WiFi Link 3945ABG


[ 7599.837880] iwl3945 0000:03:00.0: irq 45 for MSI/MSI-X


[ 7599.838124] Registered led device: phy0-led


[ 7599.838170] cfg80211: Ignoring regulatory request Set by core since the driver uses its own custom regulatory domain 


[ 7599.838335] ieee80211 phy0: Selected rate control algorithm 'iwl-3945-rs'


[ 7599.980440] iwl3945 0000:03:00.0: loaded firmware version 15.32.2.9


[ 7599.980656] iwl3945 0000:03:00.0: Radio disabled by HW RF Kill switch


[ 7599.983562] iwl3945 0000:03:00.0: Radio disabled by HW RF Kill switch


[ 7906.428550] iwl3945 0000:03:00.0: PCI INT A disabled


[ 7913.242835] cfg80211: Calling CRDA to update world regulatory domain


[ 7913.249969] cfg80211: World regulatory domain updated:


[ 7913.249973] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)


[ 7913.249978] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[ 7913.249982] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)


[ 7913.249986] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)


[ 7913.249990] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[ 7913.249994] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)


[ 7913.311805] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s


[ 7913.311810] iwl3945: Copyright(c) 2003-2011 Intel Corporation


[ 7913.311885] iwl3945 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17


[ 7913.311907] iwl3945 0000:03:00.0: setting latency timer to 64


[ 7913.352172] iwl3945 0000:03:00.0: Tunable channels: 13 802.11bg, 23 802.11a channels


[ 7913.352177] iwl3945 0000:03:00.0: Detected Intel Wireless WiFi Link 3945ABG


[ 7913.352330] iwl3945 0000:03:00.0: irq 45 for MSI/MSI-X


[ 7913.352601] Registered led device: phy0-led


[ 7913.352642] cfg80211: Ignoring regulatory request Set by core since the driver uses its own custom regulatory domain 


[ 7913.352806] ieee80211 phy0: Selected rate control algorithm 'iwl-3945-rs'


[ 7913.385208] iwl3945 0000:03:00.0: loaded firmware version 15.32.2.9


[ 7913.385384] iwl3945 0000:03:00.0: Radio disabled by HW RF Kill switch


[ 7913.387138] iwl3945 0000:03:00.0: Radio disabled by HW RF Kill switch




答案1

软阻塞

sudo rfkill list的输出显示你的网卡被"软阻塞"

当通过内核让无线网卡关闭电源时,可能会发生这种情况。

尝试以下步骤:

  • 在终端中运行:

    sudo rfkill unblock wifi; sudo rfkill unblock all

  • 重新运行sudo rfkill list以确认卡已被解锁。

  • 重新启动

  • 重新运行sudo rfkill list以确认已保留取消阻止。

  • 重新运行 sudo lshw -class network -现在您应该看到内核已识别(或未识别)无线卡。

  • 诊断内核问题

    如果网卡无法识别,并且你确认了,则不会显示阻塞(即,软阻止和硬阻止都是"no"),然后添加以下内容:

    
    sudo modprobe -r iwl3945
    
    
    sudo modprobe iwl3945
    
    
    dmesg | tail -n 50
    
    
    
    

    希望这会指出错误-例如,固件问题未加载。

    加载新固件

    如果是固件问题,就可以尝试以下操作之一:

    • 安装backports无线驱动程序:
    • 
      sudo apt-get install linux-backports-modules-cw-2.6.39-generic
      
      
      
      

      然后重启-测试软件阻塞等。

    • 获取最新的固件,如下所示:
    • 
      wget http://intellinuxwireless.org/iwlwifi/downloads/iwlwifi-3945-ucode-15.32.2.9.tgz
      
      
      
      tar xzf iwlwifi-3945-ucode-15.32.2.9.tgz
      
      
      
      cd iwlwifi-3945-ucode-15.32.2.9
      
      
      
      sudo cp iwlwifi-3945-2.ucode /lib/firmware
      
      
      
      

      然后重启-测试软件阻塞等。


  • 答案2

    检查蓝牙和无线是否切换不当;

    
    $ sudo rfkill list all
    
    
    0: hci0: Bluetooth
    
    
     Soft blocked: yes
    
    
     Hard blocked: no
    
    
    1: phy0: Wireless LAN
    
    
     Soft blocked: no
    
    
     Hard blocked: no
    
    
    
    

    我用以下方法解决了问题:

    
    $sudo rfkill block bluetooth
    
    
    $sudo rfkill unblock wifi
    
    
    
    


    INT  Opera  Intel  Operation  无线  KILL  
    相关文章