Public bug reported:
After network-manager was upgraded from 1.46.0-1ubuntu2.7 to 1.46.0-1ubuntu2.8
on 2026-08-07/08, WiFi connections repeatedly fail during the WPA 4-way
handshake, prompting the user to re-enter a password that is actually correct.
Hardware: Qualcomm Atheros QCA9377 802.11ac, driver ath10k_pci
Firmware: WLAN.TF.2.1-00021-QCARMSWP-1, api 6
Symptom pattern in journalctl -u NetworkManager:
supplicant interface state: 4way_handshake -> disconnected
Activation: (wifi) disconnected during association, asking for new key
state change: need-auth -> failed (reason 'no-secrets')
Activation: failed for connection 'CasaNostra'
This is misleading: it looks like a wrong password, but the password is
correct and unchanged.
Troubleshooting already attempted, without success:
- Setting wifi.powersave = 2 in /etc/NetworkManager/conf.d/
(previously it was set to 3 via an old config)
- Deleting and recreating the connection profile via nmcli
What resolved it:
- Downgrading network-manager, libnm0, gir1.2-nm-1.0, and
network-manager-config-connectivity-ubuntu to 1.46.0-1ubuntu2
(the original Noble release version) and holding them with apt-mark hold.
No firmware crashes were observed in dmesg during the failures
(checked via dmesg -T | grep ath10k).
This also occurred on a second machine on a different WiFi chip
(Intel Wireless-AC 9560, iwlwifi) after the same network-manager
update, though less severely — suggesting the regression may not be
chip-specific but related to how 1.46.0-1ubuntu2.8 handles the
handshake/authentication flow more broadly.
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Relevant journalctl excerpt showing the repeated
handshake failure:"
https://bugs.launchpad.net/bugs/2163122/+attachment/5990835/+files/journalctl
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https://bugs.launchpad.net/bugs/2163122
Title:
WPA 4-way handshake repeatedly fails on QCA9377 (ath10k) after
upgrading network-manager to 1.46.0-1ubuntu2.8
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