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Bug#1076849: No config found for iwlwifi

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  Bug#1076849: No config found for iwlwifi Harald Dunkel <harald.dunkel@aixigo.com> - 2024-07-24 10:00 +0200
    Bug#1076849: No config found for iwlwifi Harald Dunkel <harri@afaics.de> - 2024-07-31 23:20 +0200
      Bug#1076849: No config found for iwlwifi Salvatore Bonaccorso <carnil@debian.org> - 2024-08-03 21:10 +0200
        Bug#1076849: No config found for iwlwifi Harald Dunkel <harald.dunkel@aixigo.com> - 2024-08-07 12:10 +0200

#83165 — Bug#1076849: No config found for iwlwifi

Package: linux-image-6.1.0-23-amd64
Version: 6.1.99-1

Sometimes iwlwifi becomes unavailable on our Tuxedo laptops
running Debian's kernel 6.1.90, 6.1.94 or 6.1.99. The error message
in system log is

2024-07-23T09:14:59.386353+02:00 ppcl013 kernel: [   18.191543] Intel(R) Wireless WiFi driver for Linux
2024-07-23T09:14:59.386354+02:00 ppcl013 kernel: [   18.192760] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
2024-07-23T09:14:59.386354+02:00 ppcl013 kernel: [   18.197749] iwlwifi 0000:00:14.3: Detected crf-id 0x1300504, cnv-id 0x80400 wfpm id 0x30
2024-07-23T09:14:59.386355+02:00 ppcl013 kernel: [   18.198469] iwlwifi 0000:00:14.3: Adding cdb to rf id
2024-07-23T09:14:59.386355+02:00 ppcl013 kernel: [   18.199095] iwlwifi 0000:00:14.3: Adding jacket to rf id
2024-07-23T09:14:59.386356+02:00 ppcl013 kernel: [   18.199703] iwlwifi 0000:00:14.3: Detected rf-type 0x504 step-id 0x1 slave-id 0x0 from crf id 0x3010a100
2024-07-23T09:14:59.386356+02:00 ppcl013 kernel: [   18.200591] iwlwifi 0000:00:14.3: Detected cdb-id 0x1 jacket-id 0x1 from wfpm id 0x30
2024-07-23T09:14:59.386357+02:00 ppcl013 kernel: [   18.201460] iwlwifi 0000:00:14.3: Detected jacket-id 0x1 from cnvi id 0x80400
2024-07-23T09:14:59.386358+02:00 ppcl013 kernel: [   18.202290] iwlwifi 0000:00:14.3: PCI dev 51f1/0000, rev=0x370, rfid=0x3010a100
2024-07-23T09:14:59.386358+02:00 ppcl013 kernel: [   18.203117] iwlwifi: No config found for PCI dev 51f1/0000, rev=0x370, rfid=0x3010a100
2024-07-23T09:14:59.386359+02:00 ppcl013 kernel: [   18.204264] iwlwifi 0000:00:14.3: probe with driver iwlwifi failed with error -22

We have to turn off the laptop for a few minutes to make it work
again. A reboot is not sufficient.

The path into this failure is still unknown, but an unclean shutdown
might be relevant here.

Hardware is

00:14.3 Network controller: Intel Corporation Raptor Lake PCH CNVi WiFi (rev 01)
         DeviceName: Onboard - Ethernet
         Subsystem: Intel Corporation Raptor Lake PCH CNVi WiFi
         Flags: bus master, fast devsel, latency 0, IRQ 16, IOMMU group 8
         Memory at 601d174000 (64-bit, non-prefetchable) [size=16K]
         Capabilities: [c8] Power Management version 3
         Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
         Capabilities: [40] Express Root Complex Integrated Endpoint, MSI 00
         Capabilities: [80] MSI-X: Enable+ Count=16 Masked-
         Capabilities: [100] Latency Tolerance Reporting
         Capabilities: [164] Vendor Specific Information: ID=0010 Rev=0 Len=014 <?>
         Kernel driver in use: iwlwifi
         Kernel modules: iwlwifi

We have upgraded the firmware to the most recent version 20240709 from kernel.org
(linux-firmware-upstream_20240709_all.deb, built using upstream's python script).
No improvement.

Installing 6.7.12 or 6.9.7 from the bookworm-backports repository seems to help.
We haven't had a single incident using these kernels on the Tuxedos.


Regards
Harri

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#83299

Hi Salvatore,

is running the backports kernel supposed to be the official fix,
or will there be fixed 6.1 kernel for Bookworm as well?


Regards

Harri

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#83306

Hi Harri,

On Wed, Jul 31, 2024 at 11:03:45PM +0200, Harald Dunkel wrote:
> Hi Salvatore,
> 
> is running the backports kernel supposed to be the official fix,
> or will there be fixed 6.1 kernel for Bookworm as well?

I cannot say. If we find the fixing commit which make it work in the
versions you have tested, then this might be a candidate for
backporting to the 6.1.y stable series. 

Now you know 6.7.12-1 fixes it, you migh first try to bisect the
Debian versions introducing the fix, and then within the upstream
versions do a bisect. 

So it really depends on if we are able to identify the fix for your
reported issue.

Rgards,
Salvatore

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#83338

Recently we have seen the "no config found" error for backports kernel
6.9.7 as well, ie the problem is not solved for newer kernels, either.

[Wed Aug  7 09:43:34 2024] Linux version 6.9.7+bpo-amd64 (debian-kernel@lists.debian.org) (x86_64-linux-gnu-gcc-12 (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP PREEMPT_DYNAMIC Debian 6.9.7-1~bpo12+1 (2024-07-03)
:
:
[Wed Aug  7 09:45:01 2024] Intel(R) Wireless WiFi driver for Linux
[Wed Aug  7 09:45:01 2024] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
[Wed Aug  7 09:45:01 2024] iwlwifi 0000:00:14.3: Detected crf-id 0x1300504, cnv-id 0x80400 wfpm id 0x30
[Wed Aug  7 09:45:01 2024] iwlwifi 0000:00:14.3: Adding cdb to rf id
[Wed Aug  7 09:45:01 2024] iwlwifi 0000:00:14.3: Adding jacket to rf id
[Wed Aug  7 09:45:01 2024] iwlwifi 0000:00:14.3: Detected rf-type 0x504 step-id 0x1 slave-id 0x0 from crf id 0x3010a100
[Wed Aug  7 09:45:01 2024] iwlwifi 0000:00:14.3: Detected cdb-id 0x1 jacket-id 0x1 from wfpm id 0x30
[Wed Aug  7 09:45:01 2024] iwlwifi 0000:00:14.3: Detected jacket-id 0x1 from cnvi id 0x80400
[Wed Aug  7 09:45:01 2024] iwlwifi 0000:00:14.3: PCI dev 51f1/0000, rev=0x370, rfid=0x3010a100
[Wed Aug  7 09:45:01 2024] iwlwifi: No config found for PCI dev 51f1/0000, rev=0x370, rfid=0x3010a100
[Wed Aug  7 09:45:01 2024] iwlwifi 0000:00:14.3: probe with driver iwlwifi failed with error -22

When there is no problem, the vendor/device ID is "51f1/0074":

2024-08-05T10:39:04.760384+02:00 ppcl017 kernel: [  104.016404] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
2024-08-05T10:39:04.760385+02:00 ppcl017 kernel: [  104.023119] iwlwifi 0000:00:14.3: Detected crf-id 0x1300504, cnv-id 0x80400 wfpm id 0x80000030
2024-08-05T10:39:04.760385+02:00 ppcl017 kernel: [  104.023173] iwlwifi 0000:00:14.3: PCI dev 51f1/0074, rev=0x370, rfid=0x10a100
2024-08-05T10:39:04.760389+02:00 ppcl017 kernel: [  104.031358] iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version: 0.0.2.42
2024-08-05T10:39:04.760390+02:00 ppcl017 kernel: [  104.031780] iwlwifi 0000:00:14.3: firmware: failed to load iwl-debug-yoyo.bin (-2)
2024-08-05T10:39:04.760390+02:00 ppcl017 kernel: [  104.031795] iwlwifi 0000:00:14.3: firmware: failed to load iwl-debug-yoyo.bin (-2)
2024-08-05T10:39:04.760391+02:00 ppcl017 kernel: [  104.031797] iwlwifi 0000:00:14.3: loaded firmware version 89.202a2f7b.0 so-a0-hr-b0-89.ucode op_mode iwlmvm
2024-08-05T10:39:05.011616+02:00 ppcl017 kernel: [  104.512731] iwlwifi 0000:00:14.3: Detected Intel(R) Wi-Fi 6 AX201 160MHz, REV=0x370


Regards
Harri

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