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bookworm: linux-images-amd64/backports breaks WiFi

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Hello,

Im running into a WiFi problem when installing the latest backport-kernel for debian 12 bookorm.
My WiFi works very well on debian 12 stable (bookworm, kernel 6.1) but as soon as I upgrade and boot into the kernel latest backpackages kernel (6.11.10), my WiFi becomes unavailable.

When I boot into the kernel that was installed using backports (6.11.10), dmesg shows me these errors regarding iwlwifi:

Code:

[    6.050298] Intel(R) Wireless WiFi driver for Linux[    6.050960] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)[    6.051097] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)[    6.053740] usbcore: registered new interface driver uvcvideo[    6.053663] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])[    6.057063] audit: type=1400 audit(1736236291.341:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-senddoc" pid=588 comm="apparmor_parser"[    6.058913] audit: type=1400 audit(1736236291.341:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/bin/man" pid=586 comm="apparmor_parser"[    6.058920] audit: type=1400 audit(1736236291.341:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="man_filter" pid=586 comm="apparmor_parser"[    6.058923] audit: type=1400 audit(1736236291.341:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="man_groff" pid=586 comm="apparmor_parser"[    6.058926] audit: type=1400 audit(1736236291.341:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lsb_release" pid=582 comm="apparmor_parser"[    6.059260] audit: type=1400 audit(1736236291.341:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe" pid=583 comm="apparmor_parser"[    6.059264] audit: type=1400 audit(1736236291.341:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe//kmod" pid=583 comm="apparmor_parser"[    6.059560] audit: type=1400 audit(1736236291.341:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-oosplash" pid=587 comm="apparmor_parser"[    6.061461] audit: type=1400 audit(1736236291.345:12): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-xpdfimport" pid=592 comm="apparmor_parser"[    6.063064] audit: type=1400 audit(1736236291.345:13): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/cups-browsed" pid=595 comm="apparmor_parser"[    6.063586] intel_rapl_common: Found RAPL domain package[    6.063589] intel_rapl_common: Found RAPL domain dram[    6.078923] iwlwifi 0000:00:14.3: Detected crf-id 0x3617, cnv-id 0x20000302 wfpm id 0x80000000[    6.078942] iwlwifi 0000:00:14.3: PCI dev 02f0/4070, rev=0x351, rfid=0x10a100[    6.078948] iwlwifi 0000:00:14.3: Detected Intel(R) Wi-Fi 6 AX201 160MHz[    6.080593] iwlwifi 0000:00:14.3: firmware: failed to load iwlwifi-QuZ-a0-hr-b0-77.ucode (-2)[    6.080614] iwlwifi 0000:00:14.3: firmware: failed to load iwlwifi-QuZ-a0-hr-b0-77.ucode (-2)[    6.080617] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-hr-b0-77.ucode failed with error -2[    6.080623] iwlwifi 0000:00:14.3: no suitable firmware found![    6.080652] iwlwifi 0000:00:14.3: iwlwifi-QuZ-a0-hr-b0-77 is required[    6.080676] iwlwifi 0000:00:14.3: check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
I have already tried to uninstall my WiFi-Firmware using

Code:

 apt remove firmware-iwlwifi 
and afterwards

Code:

 apt install -t bookworm-backports firmware-iwlwifi 
I would like to understand why this issue occurs, because my WiFi was already working ootb on the stable kernel (6.1), and what I could do in order to fix this problem.
Ive already encountered this issue on two separate machines running debian 12 bookworm.

Output of lspci -vnn

Code:

00:14.3 Network controller [0280]: Intel Corporation Comet Lake PCH-LP CNVi WiFi [8086:02f0]DeviceName: Onboard - EthernetSubsystem: Intel Corporation Wi-Fi 6 AX201 160MHz [8086:4070]Flags: fast devsel, IRQ 16, IOMMU group 6Memory at cc33c000 (64-bit, non-prefetchable) [size=16K]Capabilities: [c8] Power Management version 3Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+Capabilities: [40] Express Root Complex Integrated Endpoint, MSI 00Capabilities: [80] MSI-X: Enable- Count=16 Masked-Capabilities: [100] Latency Tolerance ReportingCapabilities: [164] Vendor Specific Information: ID=0010 Rev=0 Len=014 <?>Kernel modules: iwlwifi
Edit: I just found that kernel 6.1 tries to load wifi firmware iwlwifi-QuZ-a0-hr-b0-72.ucode while backport kernel 6.11.10 tries to load iwlwifi-QuZ-a0-hr-b0-77.ucode
Maybe the debian repos are missing new microcode for this hardware?

Statistics: Posted by debianuserman — 2025-01-07 10:03 — Replies 3 — Views 137



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