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Groups > linux.debian.kernel > #83165

Bug#1076849: No config found for iwlwifi

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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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Thread

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

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