আমি এখানে এই সমস্যার অংশ হিসাবে এই ত্রুটিটি পাচ্ছি তবে যেহেতু এই সমস্যাটি সম্পূর্ণ ভিন্ন সমস্যা, আমি মনে করি এই সমস্যাটি আলাদাভাবে বিবেচনা করা ভাল। আমার wlan0 ডাউন আছে। আমি যখন এটি চালু করার চেষ্টা করব
$ sudo ifconfig wlan0 up
SIOCSIFFLAGS: Operation not possible due to RF-kill
এবং তারপর
$ 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
ত্রুটি _ এর অর্থ কী? আরএফ-কিল কি?
হার্ডওয়্যার চশমা
$ 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
ওএস সংস্করণ এবং কার্নেল সংস্করণ
$ 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
[হালনাগাদ]
আমি যখন ফসফ্রিডমের পরামর্শটি প্রয়োগ করি তখন আমি পাই "SIOCSIFFLAGS: No such device"। কার্নেলটি কোনও কারণে কার্ড প্রত্যাখ্যান করে, যেমন এফএফ দ্বারা নির্দেশিত।
ব্লকড ওয়াইফাই দিয়ে উইলি 3945 অক্ষম ও সক্ষম করার পরে ডেমসগ
# 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
আনব্লকড ওয়াইফাই সহ ডেমস্যাগ
# 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
ডেমসগ এবং আইওল 3945 অবরুদ্ধ ওয়াইফাই ছাড়াই
# 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