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Date: Tue, 27 Feb 2024 09:12:42 +0100
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From: Harald Dunkel <harald.dunkel@aixigo.com>
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To: linux-wireless@vger.kernel.org
Subject: "iwlwifi: probe of 0000:00:14.3 failed with error -22"
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Hi folks,

The Intel Wifi hardware of a colleague's Tuxedo laptop (running Debian 12,
kernel 6.1.76) isn't found at boot time anymore. It doesn't come back on a
reboot. The kernel log shows

[Mon Feb 26 13:21:23 2024] Intel(R) Wireless WiFi driver for Linux
[Mon Feb 26 13:21:23 2024] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 655360 ms ovfl timer
[Mon Feb 26 13:21:23 2024] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
[Mon Feb 26 13:21:23 2024] iwlwifi 0000:00:14.3: Adding cdb to rf id
[Mon Feb 26 13:21:23 2024] iwlwifi 0000:00:14.3: Detected RF 0x1010c000 from crf id 0x504
[Mon Feb 26 13:21:23 2024] iwlwifi: No config found for PCI dev 51f1/0000, rev=0x370, rfid=0x1010c000
[Mon Feb 26 13:21:23 2024] iwlwifi: probe of 0000:00:14.3 failed with error -22

Please note the last 3 lines. rfkill doesn't list wireless.

On another Tuxedo laptop with the same hardware (AFAICT) we get

[Tue Feb 27 07:35:34 2024] Intel(R) Wireless WiFi driver for Linux
[Tue Feb 27 07:35:34 2024] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
[Tue Feb 27 07:35:34 2024] iwlwifi 0000:00:14.3: firmware: direct-loading firmware iwlwifi-so-a0-hr-b0-72.ucode
[Tue Feb 27 07:35:34 2024] iwlwifi 0000:00:14.3: api flags index 2 larger than supported by driver
[Tue Feb 27 07:35:34 2024] iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version: 0.0.2.36
[Tue Feb 27 07:35:34 2024] iwlwifi 0000:00:14.3: firmware: failed to load iwl-debug-yoyo.bin (-2)
[Tue Feb 27 07:35:34 2024] iwlwifi 0000:00:14.3: firmware: failed to load iwl-debug-yoyo.bin (-2)
[Tue Feb 27 07:35:34 2024] iwlwifi 0000:00:14.3: loaded firmware version 72.daa05125.0 so-a0-hr-b0-72.ucode op_mode iwlmvm
:
[Tue Feb 27 07:35:35 2024] iwlwifi 0000:00:14.3: Detected Intel(R) Wi-Fi 6 AX201 160MHz, REV=0x370
:
[Tue Feb 27 07:35:35 2024] iwlwifi 0000:00:14.3: Detected RF HR B3, rfid=0x10a100
:
[Tue Feb 27 07:35:36 2024] iwlwifi 0000:00:14.3: base HW address: e4:0d:xx:xx:xx:xx


Upgrading the kernel to Debian's backports version 6.5.7 doesn't help.
No wifi. I had upgraded the firmware file to version 83 as well, but this
is moot if the firmware isn't loaded at all.


Every helpful comment is highly appreciated

Harri