Arch Linux

stahl

Member

Registered: 2013-04-03

Posts: 10

Wifi adapter missing after update

Hi there,

My wifi adapter is missing (probably after the last update)

lspci -k | grep Network                                                                                                            
00:14.3 Network controller: Intel Corporation Wi-Fi 6 AX201 (rev 20)

Partial journalctl -b output:

Jul 06 20:52:05 stahlnow kernel: Linux version 6.12.35-1-lts (linux-lts@archlinux) (gcc (GCC) 15.1.1 20250425, GNU ld (GNU Binutils) 2.44.0) #1 SMP PREEMPT_DYNAMIC Fri, 27 Jun 2025 10:50:50 +0000
...
Jul 06 20:52:06 stahlnow kernel: iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
Jul 06 20:52:06 stahlnow kernel: iwlwifi 0000:00:14.3: Detected crf-id 0x3617, cnv-id 0x20000302 wfpm id 0x0
Jul 06 20:52:06 stahlnow kernel: iwlwifi 0000:00:14.3: Can't find a correct rfid for crf id 0x617
Jul 06 20:52:06 stahlnow kernel: iwlwifi 0000:00:14.3: probe with driver iwlwifi failed with error -22

ip -br a

                                                                                                      
lo               UNKNOWN        127.0.0.1/8 ::1/128 
virbr0           DOWN           192.168.122.1/24 
docker0          DOWN           172.17.0.1/16 
enp0s13f0u3u1    UP             192.168.1.101/24 2a04:ee41:3:527e:dd35:3fff:5d9a:585e/64 fe80::7ae6:f4d6:1d5b:ec2c/64 

What could be wrong? Does it have to do with the latest linux-firmware upgrade as I see other wifi related posts recently?

Best, stahl

seth

Member

Registered: 2012-09-03

Posts: 66,327

Re: Wifi adapter missing after update

What could be wrong? Does it have to do with the latest linux-firmware upgrade as I see other wifi related posts recently?

Maybe. Maybe not.

Partial journalctl -b output:

Do you have

pacman -Qs linux-firmware-intel

?

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stahl

Member

Registered: 2013-04-03

Posts: 10

Re: Wifi adapter missing after update

~ ➤ pacman -Qs linux-firmware-intel                                                                                                         
local/linux-firmware-intel 20250627-1
    Firmware files for Linux - Firmware for Intel devices

here's the whole journal https://0x0.st/8GM4.txt

lspci -k | less
00:14.3 Network controller: Intel Corporation Wi-Fi 6 AX201 (rev 20)
        Subsystem: Intel Corporation Device 0000
        Kernel modules: iwlwifi

~ ➤ uname -a                                                                                                                                
Linux stahlnow 6.12.35-1-lts #1 SMP PREEMPT_DYNAMIC Fri, 27 Jun 2025 10:50:50 +0000 x86_64 GNU/Linux

~ ➤ pacman -Q linux-lts                                                                                                                     
linux-lts 6.12.35-1

~ ➤ cat /proc/cmdline                                                                                                                       
initrd=\intel-ucode.img initrd=\initramfs-linux-lts.img root=PARTUUID=bb88071b-5679-a54e-91ea-44f52d24024d rootfstype=ext4 i915.enable_psr=0 rw quiet splash

seth

Member

Registered: 2012-09-03

Posts: 66,327

Re: Wifi adapter missing after update

Firmware isn't even attempted, the module is loaded from the root FS (so not a case of "rebuild your initramfs")
There're quite some partitions and at least an ntfs one - is there a parallel windows installation?
The wifi NIC is on the same bus as a usb hub where a yubikey, a keychron keyboard and a logitech mouse are attached (usb3) - can you move those to another hub?

Last but not least, does the last update also include a kernel update?

x-ref, https://bbs.archlinux.org/viewtopic.php?id=298631 (exact same error, unresolved)

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stahl

Member

Registered: 2013-04-03

Posts: 10

Re: Wifi adapter missing after update

There're quite some partitions and at least an ntfs one - is there a parallel windows installation?

No.

The wifi NIC is on the same bus as a usb hub where a yubikey, a keychron keyboard and a logitech mouse are attached (usb3) - can you move those to another hub?

yubikey is connected to the laptop, the rest is connected via a thinkpad usb-c dock. i don't know how to move them to another bus..

Last but not least, does the last update also include a kernel update?

not sure, probably yes.

I just tried with a arch linux from a usb stick, no luck either.

The problem exists with the dock attached or not.

I wonder if it is a hardware problem or is this ruled out when it shows up with lspci?

seth

Member

Registered: 2012-09-03

Posts: 66,327

Re: Wifi adapter missing after update

I wonder if it is a hardware problem or is this ruled out when it shows up with lspci?

Means the controller responds on the bus, not that it works.

not sure, probably yes.

=> /var/log/pacman.log is gonna have a reliable opinion on this.
https://www.google.com/search?q="Detected+crf-id+0x3617%2C+cnv-id+0x20000302" has a considerable amout of hits, but they're all/mostly related to missing firmware

Can't find a correct rfid for crf id 0x617

is unique and nb.

Detected crf-id 0x3617

That looks eerily like somebody accidentally hit del somewhere…

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stahl

Member

Registered: 2013-04-03

Posts: 10

Re: Wifi adapter missing after update

thank you @seth!

That looks eerily like somebody accidentally hit del somewhere…

actually the id changed after i rm -r /usr/lib/firmware and re-installed linux-firmware package and rebooted. at least
the id is now persisting:

Jul 07 17:12:15 stahlnow kernel: iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
Jul 07 17:12:15 stahlnow kernel: iwlwifi 0000:00:14.3: Detected crf-id 0x26c2f, cnv-id 0x20000302 wfpm id 0x0
Jul 07 17:12:15 stahlnow kernel: iwlwifi 0000:00:14.3: Can't find a correct rfid for crf id 0xc2f
Jul 07 17:12:15 stahlnow kernel: iwlwifi 0000:00:14.3: probe with driver iwlwifi failed with error -22

i keep using a wifi-dongle for now and hope the issue will be resolved with a future update. of course i'm happy
to investigate further.

seth

Member

Registered: 2012-09-03

Posts: 66,327

Re: Wifi adapter missing after update

Probably more about the reboot than the firmware re-installation (the firmware isn't even looked for at this point)
Try to power down the system, remove the battery, get a cup of coffee, restore the battery and boot again.
Alternatively (if not possible or effective): are you ok trying to reset the CMOS (means you've to reconfigure your UEFI) - though if the firmware allows that, disabling the wifi, booting, restarting and  re-enabling the wifi  in the UEFI for the next boot might do.

And try some live distro (grml or so), but this looks like it's HW related. I don't think that ID should ever change.

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stahl

Member

Registered: 2013-04-03

Posts: 10

Re: Wifi adapter missing after update

I removed both the laptop battery and cmos battery, it didn't help. Also disabling and re-enabling wifi via UEFI didn't help.

Lastly I tried grml live ISO as you suggested which could not find the network card either.

I think it's a hardware problem, so I'll contact Lenovo Support now to request a hardware replacement.

Last edited by stahl (2025-07-08 16:55:22)