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[Launchpad Bug Tracker <2122280@xxxxxxxxxxxxxxxxxx>]

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Hello Ubuntu Kernel Team,

I am reporting a reproducible Wi-Fi instability issue with the Intel
AX211 card on a TP-Link Deco mesh network. This affects both Linux Mint
and a live Ubuntu environment, pointing to a kernel or driver-level
incompatibility.

**[Core Problem]**
The connection drops every few minutes. The kernel log confirms this is not a signal loss, but a forced roam between mesh nodes initiated by a "deauthenticating by local choice (Reason: 3=DEAUTH_LEAVING)" event. The iwlwifi driver does not handle this handoff seamlessly, resulting in a full disconnection.

**[Hardware & Network Environment]**
* **Wi-Fi Card:** Intel Corporation Wi-Fi 6E AX211 160MHz
* **Mesh System:** TP-Link Deco M9 Plus
* **Mode:** Access Point (AP) mode

**[Critical Test Results]**
* **Hardware Confirmed Working:** The laptop is 100% stable on a non-mesh mobile hotspot.
* **Mesh Features Disabled:** The issue persists even after disabling Fast Roaming, Beamforming, and separating the 2.4/5GHz bands in the Deco app.
* **Guest Network Fails:** The instability also occurs on the Deco's isolated Guest Network.

This isolates the fault to the Deco's fundamental (non-optional) node-steering logic and its incompatibility with the iwlwifi driver's handling of these specific deauthentication commands.
--- 
ProblemType: Bug
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  veirvigour   1511 F.... pipewire
                      veirvigour   1513 F.... wireplumber
 /dev/snd/seq:        veirvigour   1511 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: X-Cinnamon
DistroRelease: Linux Mint 22.2
InstallationDate: Installed on 2025-09-02 (8 days ago)
InstallationMedia: Linux Mint 22.1 "Xia" - Release amd64 20250110
MachineType: HP HP ZBook Firefly 14 inch G9 Mobile Workstation PC
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-79-generic root=UUID=b8692ffd-5fa1-42a4-a981-3987303b21c6 ro quiet splash
ProcVersionSignature: Ubuntu 6.8.0-79.79-generic 6.8.12
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-6.8.0-79-generic N/A
 linux-backports-modules-6.8.0-79-generic  N/A
 linux-firmware                            20240318.git3b128b60-0ubuntu2.17
Tags: zara
Uname: Linux 6.8.0-79-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: N/A
_MarkForUpload: True
dmi.bios.date: 04/10/2025
dmi.bios.release: 15.0
dmi.bios.vendor: HP
dmi.bios.version: U70 Ver. 01.15.00
dmi.board.name: 896D
dmi.board.vendor: HP
dmi.board.version: KBC Version 02.76.00
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.ec.firmware.release: 2.118
dmi.modalias: dmi:bvnHP:bvrU70Ver.01.15.00:bd04/10/2025:br15.0:efr2.118:svnHP:pnHPZBookFirefly14inchG9MobileWorkstationPC:pvrSBKPF,SBKPFV2:rvnHP:rn896D:rvrKBCVersion02.76.00:cvnHP:ct10:cvr:sku735M0PA#UUF:
dmi.product.family: 103C_5336AN HP ZBook
dmi.product.name: HP ZBook Firefly 14 inch G9 Mobile Workstation PC
dmi.product.sku: 735M0PA#UUF
dmi.product.version: SBKPF,SBKPFV2
dmi.sys.vendor: HP

** Affects: network-manager (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: apport-collected kernel-daily-bug wifi zara
-- 
iwlwifi: Intel AX211 disconnects and roams constantly on TP-Link Deco Mesh (AP Mode)
https://bugs.launchpad.net/bugs/2122280
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