https://bugs.kde.org/show_bug.cgi?id=516581
Bug ID: 516581
Summary: Regression: WPA2 Wi-Fi authentication
fails/timeouts/drops on Qualcomm Atheros AR956x
Classification: Frameworks and Libraries
Product: frameworks-networkmanager-qt
Version First 6.22.0
Reported In:
Platform: unspecified
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Target Milestone: ---
SUMMARY
Regression: WPA2 Wi-Fi authentication fails/timeouts/drops on Qualcomm Atheros
AR956x
DESCRIPTION
Since the update to the newer KDE Frameworks and Plasma versions, I am
experiencing severe network instability and authentication failures using the
plasma-nm applet on a laptop equipped with a Qualcomm Atheros AR956x wireless
adapter (ath9k driver).
Depending on the distribution and its underlying configuration, the bug
manifests in two ways:
Complete failure to provide secrets: The connection hangs on "Waiting for
authorization" for 2 minutes and fails with "No agents were available for this
request".
Unstable connection: It repeatedly asks for the WPA2 password. If it manages to
connect, the network is unusable — the speed instantly drops to 0 kbps, and the
connection drops completely shortly after with a "supplicant-timeout" error.
This is strictly a KDE-specific regression in the user space (likely related to
Secret Agent / D-Bus communication). The same hardware works flawlessly and
holds a stable connection on other desktop environments (XFCE, Cinnamon) with
the exact same kernel. It also works perfectly on older versions of KDE
Plasma/Frameworks.
STEPS TO REPRODUCE
1. Use a device with a Qualcomm Atheros AR956x adapter (using the in-kernel
ath9k driver).
2. Try to connect to a WPA2 Wi-Fi network via the Plasma Network applet.
3. Observe the connection behavior (either a 2-minute hang or a successful
connection that immediately drops speed to 0 and disconnects).
VERSION MATRIX (THE PROOF OF REGRESSION)
FAILS ON:
openSUSE Tumbleweed LiveCD (Plasma 6.6.0, Frameworks 6.23.0, Qt 6.10.2, Kernel
6.19.2)
KDE Neon Unstable (Plasma 6.6.0, Frameworks 6.23.0, Qt 6.10.2, Kernel 6.17.0)
Manjaro KDE 26.0.2 (Plasma 6.5.5, Frameworks 6.22.0, Qt 6.10.1, Kernel 6.18.8)
WORKS FLAWLESSLY ON (Older KDE stacks):
openSUSE Leap 16.0 (Plasma 6.4.2, Frameworks 6.16.0, Qt 6.9.1, Kernel 6.12.0)
Manjaro 25 (Plasma 6.3.6, Frameworks 6.18.0, Qt 6.9.2, Kernel 6.12.48)
WORKS FLAWLESSLY ON (Non-KDE environments):
Linux Mint Cinnamon, Manjaro XFCE & Manjaro Cinnamon (same 6.18+ kernels,
proving the ath9k driver itself is fine).
ADDITIONAL INFORMATION
Log 1: openSUSE Tumbleweed KDE LiveCD Snapshot20260220 (Shows Plasma Secret
Agent failing to provide secrets after a 2-minute timeout):
NetworkManager[1686]: <info> [1771846069.5823] device (wlp2s0): state change:
config -> need-auth (reason 'none', managed-type: 'full')
... (exactly 2 minutes later) ...
NetworkManager[1686]: <warn> [1771846189.5944] device (wlp2s0): no secrets: No
agents were available for this request.
NetworkManager[1686]: <info> [1771846189.5944] device (wlp2s0): state change:
need-auth -> failed (reason 'no-secrets', managed-type: 'full')
Log 2: Manjaro KDE 26.0.2 (Shows successful connection, followed by immediate
link timeout/drop)
NetworkManager[964]: <info> [1771846596.3766] manager: NetworkManager state is
now CONNECTED_LOCAL
NetworkManager[964]: <info> [1771846596.8620] manager: NetworkManager state is
now CONNECTED_SITE
NetworkManager[964]: <info> [1771846598.8174] manager: NetworkManager state is
now CONNECTED_GLOBAL
... (Connection established, but speed drops to 0, then fails) ...
NetworkManager[964]: <warn> [1771846630.3839] device (wlp2s0): link timed out.
NetworkManager[964]: <info> [1771846630.3845] device (wlp2s0): state change:
activated -> failed (reason 'supplicant-timeout', managed-type: 'full')
NetworkManager[964]: <info> [1771846630.3857] manager: NetworkManager state is
now DISCONNECTED
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