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Wifi is sometimes soft blocked by unknown service
WiFi soft-blocked by rfkill on startupCan't turn on or enable wirelessYoga Pro 2 Wi-Fi not workingActivate/deactivate Wi-Fi on Lenovo B5400 under Ubuntu 14.04WiFi not working on Asus Q503UA Xubuntu 14.04What is Generic* disabledNo WiFi networks listed on 19.04 with Intel Wifi Link 5350
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I manage a few hundred Dell 5290 laptops, all running Ubuntu 16.04. On occasion, some of these laptops will boot up in the morning with no wifi access. When I troubleshoot, I see that the Wireless LAN has been soft blocked.
$ rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
or
$ sudo lshw -C network
*-network DISABLED
description: Wireless interface
product: Intel Corporation
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:01:00.0
logical name: wlan0
version: 78
serial: 88:b1:11:6c:f0:f7
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-47-generic firmware=34.0.1 latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:145 memory:d1500000-d1501fff
Of course, I could easily remove this soft block with rfkill unblock all. I could even write a watchdog to monitor the wifi interface and turn off any soft blocks eternally.
But my question is about how this soft block is actually originating? The computers are remotely managed kiosks. There is no keyboard or mouse for someone to enable a software soft block by hand.
dmesg has a comment about platform regulatory issues that, when looking at dmesg output on a functional device, I do not see. No idea if this is relevant.
$ dmesg | grep -i firmware
[ 0.028000] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.065082] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 2.216861] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_01.bin (v1.1)
[ 2.752085] Bluetooth: hci0: Firmware revision 0.1 build 173 week 45 2017
[ 2.931360] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 2.961437] iwlwifi 0000:01:00.0: loaded firmware version 34.0.1 op_mode iwlmvm
16.04 networking wireless iwlwifi
asked May 14 at 17:31
tylehatyleha
16511 bronze badges
add a comment
|
I manage a few hundred Dell 5290 laptops, all running Ubuntu 16.04. On occasion, some of these laptops will boot up in the morning with no wifi access. When I troubleshoot, I see that the Wireless LAN has been soft blocked.
$ rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
or
$ sudo lshw -C network
*-network DISABLED
description: Wireless interface
product: Intel Corporation
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:01:00.0
logical name: wlan0
version: 78
serial: 88:b1:11:6c:f0:f7
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-47-generic firmware=34.0.1 latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:145 memory:d1500000-d1501fff
Of course, I could easily remove this soft block with rfkill unblock all. I could even write a watchdog to monitor the wifi interface and turn off any soft blocks eternally.
But my question is about how this soft block is actually originating? The computers are remotely managed kiosks. There is no keyboard or mouse for someone to enable a software soft block by hand.
dmesg has a comment about platform regulatory issues that, when looking at dmesg output on a functional device, I do not see. No idea if this is relevant.
$ dmesg | grep -i firmware
[ 0.028000] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.065082] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 2.216861] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_01.bin (v1.1)
[ 2.752085] Bluetooth: hci0: Firmware revision 0.1 build 173 week 45 2017
[ 2.931360] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 2.961437] iwlwifi 0000:01:00.0: loaded firmware version 34.0.1 op_mode iwlmvm
16.04 networking wireless iwlwifi
asked May 14 at 17:31
tylehatyleha
16511 bronze badges
add a comment
|
I manage a few hundred Dell 5290 laptops, all running Ubuntu 16.04. On occasion, some of these laptops will boot up in the morning with no wifi access. When I troubleshoot, I see that the Wireless LAN has been soft blocked.
$ rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
or
$ sudo lshw -C network
*-network DISABLED
description: Wireless interface
product: Intel Corporation
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:01:00.0
logical name: wlan0
version: 78
serial: 88:b1:11:6c:f0:f7
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-47-generic firmware=34.0.1 latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:145 memory:d1500000-d1501fff
Of course, I could easily remove this soft block with rfkill unblock all. I could even write a watchdog to monitor the wifi interface and turn off any soft blocks eternally.
But my question is about how this soft block is actually originating? The computers are remotely managed kiosks. There is no keyboard or mouse for someone to enable a software soft block by hand.
dmesg has a comment about platform regulatory issues that, when looking at dmesg output on a functional device, I do not see. No idea if this is relevant.
$ dmesg | grep -i firmware
[ 0.028000] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.065082] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 2.216861] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_01.bin (v1.1)
[ 2.752085] Bluetooth: hci0: Firmware revision 0.1 build 173 week 45 2017
[ 2.931360] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 2.961437] iwlwifi 0000:01:00.0: loaded firmware version 34.0.1 op_mode iwlmvm
16.04 networking wireless iwlwifi
asked May 14 at 17:31
tylehatyleha
16511 bronze badges
I manage a few hundred Dell 5290 laptops, all running Ubuntu 16.04. On occasion, some of these laptops will boot up in the morning with no wifi access. When I troubleshoot, I see that the Wireless LAN has been soft blocked.
$ rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
or
$ sudo lshw -C network
*-network DISABLED
description: Wireless interface
product: Intel Corporation
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:01:00.0
logical name: wlan0
version: 78
serial: 88:b1:11:6c:f0:f7
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-47-generic firmware=34.0.1 latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:145 memory:d1500000-d1501fff
Of course, I could easily remove this soft block with rfkill unblock all. I could even write a watchdog to monitor the wifi interface and turn off any soft blocks eternally.
But my question is about how this soft block is actually originating? The computers are remotely managed kiosks. There is no keyboard or mouse for someone to enable a software soft block by hand.
dmesg has a comment about platform regulatory issues that, when looking at dmesg output on a functional device, I do not see. No idea if this is relevant.
$ dmesg | grep -i firmware
[ 0.028000] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.065082] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 2.216861] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_01.bin (v1.1)
[ 2.752085] Bluetooth: hci0: Firmware revision 0.1 build 173 week 45 2017
[ 2.931360] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 2.961437] iwlwifi 0000:01:00.0: loaded firmware version 34.0.1 op_mode iwlmvm
16.04 networking wireless iwlwifi
16.04 networking wireless iwlwifi
asked May 14 at 17:31
tylehatyleha
16511 bronze badges
asked May 14 at 17:31
tylehatyleha
16511 bronze badges
asked May 14 at 17:31
tylehatyleha
16511 bronze badges
asked May 14 at 17:31
tylehatyleha
16511 bronze badges
asked May 14 at 17:31
tylehatyleha
16511 bronze badges
16511 bronze badges
add a comment
|
add a comment
|
1 Answer
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Check your /var/lib/NetworkManager/NetworkManager.state file and see if WirelessEnabled=false. systemd-rfkill seems to check that file and soft block your interface if found. Set to true and see if that fixes the issue.
edited May 15 at 23:14
tyleha
16511 bronze badges
answered May 14 at 22:07
Thomas OHernThomas OHern
786 bronze badges
add a comment
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Check your /var/lib/NetworkManager/NetworkManager.state file and see if WirelessEnabled=false. systemd-rfkill seems to check that file and soft block your interface if found. Set to true and see if that fixes the issue.
edited May 15 at 23:14
tyleha
16511 bronze badges
answered May 14 at 22:07
Thomas OHernThomas OHern
786 bronze badges
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Check your /var/lib/NetworkManager/NetworkManager.state file and see if WirelessEnabled=false. systemd-rfkill seems to check that file and soft block your interface if found. Set to true and see if that fixes the issue.
edited May 15 at 23:14
tyleha
16511 bronze badges
answered May 14 at 22:07
Thomas OHernThomas OHern
786 bronze badges
add a comment
|
Check your /var/lib/NetworkManager/NetworkManager.state file and see if WirelessEnabled=false. systemd-rfkill seems to check that file and soft block your interface if found. Set to true and see if that fixes the issue.
edited May 15 at 23:14
tyleha
16511 bronze badges
answered May 14 at 22:07
Thomas OHernThomas OHern
786 bronze badges
Check your /var/lib/NetworkManager/NetworkManager.state file and see if WirelessEnabled=false. systemd-rfkill seems to check that file and soft block your interface if found. Set to true and see if that fixes the issue.
edited May 15 at 23:14
tyleha
16511 bronze badges
answered May 14 at 22:07
Thomas OHernThomas OHern
786 bronze badges
edited May 15 at 23:14
tyleha
16511 bronze badges
edited May 15 at 23:14
tyleha
16511 bronze badges
edited May 15 at 23:14
tyleha
16511 bronze badges
16511 bronze badges
answered May 14 at 22:07
Thomas OHernThomas OHern
786 bronze badges
answered May 14 at 22:07
Thomas OHernThomas OHern
786 bronze badges
answered May 14 at 22:07
Thomas OHernThomas OHern
786 bronze badges
786 bronze badges
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