Public bug reported:
ath11k_pci driver for WCN6855 (Qualcomm 802.11ax) fails to reconnect to
any access point after system resume from suspend. Reloading the driver
(modprobe -r ath11k_pci && modprobe ath11k_pci) restores functionality
until the next suspend.
## Steps to reproduce
1. Boot system with working Wi‑Fi.
2. Connect to any access point (works normally).
3. Suspend to RAM: systemctl suspend (or close laptop lid).
4. Wake system.
5. Observe that Wi‑Fi is still enabled (interface wlp1s0 exists) but cannot
scan or connect to any network.
6. Attempt to reconnect manually or via NetworkManager – always fails.
7. Reload the driver:` sudo modprobe -r ath11k_pci && sudo modprobe ath11k_pci`
8. Wi‑Fi starts working again immediately.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.17.0-14-generic 6.17.0-14.14~24.04.1
ProcVersionSignature: Ubuntu 6.17.0-14.14~24.04.1-generic 6.17.9
Uname: Linux 6.17.0-14-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Tue Feb 17 14:38:01 2026
InstallationDate: Installed on 2026-02-16 (1 days ago)
InstallationMedia: Ubuntu 24.04.4 LTS "Noble Numbat" - Release amd64 (20260210)
SourcePackage: linux-signed-hwe-6.17
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-signed-hwe-6.17 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session wifi
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https://bugs.launchpad.net/bugs/2141995
Title:
ath11k_pci Wi‑Fi fails to connect after suspend (WCN6855)
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