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Unable to connect to WiFi during installation on an X200s

Hi everyone,

I am trying to install Artix Linux on a Thinkpad X200s. After partitioning the disk, I entered the connmanctl command prompt to connect to my WiFi but as soon as I typed scan on to detect it I got this strange error message:

Error /net/connman/technology/on: Method "Scan" with signature "" on interface "net.connman.Technology" doesn't exist

The Arch wiki ("Troubleshooting") says that the problem whould be fixed by agent on, but I already did that and it didn't work.

I made sure that the Wi-Fi was unblocked by both the "hard" and "soft" (Fn+F5) key bindings, I also tried with rfkill unblock wifi, and ip link set wlan0 up with no success. The rfkill unblock wifi" output seens a bit awkward tho:

WPS: Converting push_button to virtual_push_button for WPS 2.0 compliance

As I don't remember seeing that when I installed Artix on other machines.

I also tried to boot into the original HDD (running Windows 10) which was included when I purchased the laptop, and the Wi-Fi was working. What would that be?

Thanks!

Re: Unable to connect to WiFi during installation on an X200s

Reply #2 –
Quote from: strajder – on
What is the output of (as root):
Code: [Select]
for dev in $(rfkill | awk '{ if (NR>1) print $3}'); do dmesg | grep $dev; done

The output is:
Code: [Select]
[          10.951812] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is blocked
[          11.380512] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'

Re: Unable to connect to WiFi during installation on an X200s

Reply #4 –
Quote from: strajder – on
That seems suspicious, since there are no "<driver>: phy0" lines. What is the output of:
Code: [Select]
inxi -n

The output is:

Code: [Select]
Network:         Device-1: Intel 82567LM Gigabit Network driver: e1000e
                            IF: eth0 state: down mac: 00:1f:16:20:6c:d4
                            Device-2: Intel PRO/Wireless 5100 AGN [Shiloh] Network driver: iwlwifi
                            IF: wlan0 state: down mac: 00:1e:65:19:c9:cc

What is suspicious to me is that the state of wlan0 remains "down" even after:
Code: [Select]
rfkill unblock wifi
and
Code: [Select]
ip link set wlan0 up
which should switch it up (I guess?).

Re: Unable to connect to WiFi during installation on an X200s

Reply #6 –
Quote from: strajder – on
What is the output of (as root):
Code: [Select]
dmesg | grep iwlwifi

Code: [Select]
[   11.220596] iwlwifi 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control
[   11.295738] iwlwifi 0000:03:00.0: loaded firmware version 8.83.5.1 build 33692 5000-5.ucode op_mode iwldvm
[   11.515178] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUG enabled
[   11.515187] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUGFS enabled
[   11.515189] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled
[   11.515192] iwlwifi 0000:03:00.0: Detected Intel(R) WiFi Link 5100 AGN, REV=0x54
[   52.423756] iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
[   52.542560] iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0

Quote from: strajder – on
Code: [Select]
ip link set wlan0 up

The output is empty.

EDIT: the output of ip link show wlan0 is:

Code: [Select]
3: wlan0: <NO-CARRIER.BROADCAST,MULTICAST,DYNAMIC,UP> mtu 1500 qdisc mq state DOWN mode DORMANT group default qlen 1000
link/ether 00:1e:65:19:c9:cc brd ff:ff:ff:ff.ff:ff

Re: Unable to connect to WiFi during installation on an X200s

Reply #7 –
Quote from: shako – on
Code: [Select]
3: wlan0: <NO-CARRIER.BROADCAST,MULTICAST,DYNAMIC,UP> mtu 1500 qdisc mq state DOWN mode DORMANT group default qlen 1000
link/ether 00:1e:65:19:c9:cc brd ff:ff:ff:ff.ff:ff
https://wiki.archlinux.org/title/Network_configuration/Wireless#Activate_the_interface
Quote
The UP in <BROADCAST,MULTICAST,UP,LOWER_UP> is what indicates the interface is up, not the later state DOWN.
It seems your WiFi interface is up.

Check if this command gives a list of access points or an error:
Code: [Select]
iw dev wlan0 scan 2>&1 | less

Re: Unable to connect to WiFi during installation on an X200s

Reply #8 –
The output (quite long) shows a list of "BSS"s (on wlan0) with a series of parameters for each of them, so it looks more like a list of access points to me. I don't see any error message for now.

EDIT: I can provide the complete output if needed