#1150201 Can not connect to WLAN after update

Package:
plasma-nm
Source:
plasma-nm
Description:
Plasma network connections management
Submitter:
semareit@gmx.de
Date:
2026-10-13 19:25:40 UTC
Severity:
normal
#1150201#5
Date:
2026-10-06 20:34:21 UTC
From:
To:
Given Update to new libkf and systemd on 2026-10-22 (the update include libkf, plasma-nm, network-manger, systemd, last working state was 2026-10-20)
Given Password is stored in kwalled and/or in network-manger config files or entered manuell.

When try connect to wlan
And apply password
Then the connection fails
And message "connection deactivated" appears
And message "no password set" appears

Comments
- try it on 2 system which were working before update
- the behaviour was observed on wlan via wpa_supplicant and iwd
- the behaviour was observed when using plasma-nm or nmcli
- the behaviour was observer also with non encrypten wlan
- all wlans of environment are listed, but 5GHZ is listed as 2.4GHZ in nmcli

#1150201#10
Date:
2026-10-13 17:27:36 UTC
From:
To:
Please Terminate Bug 1150201

after deeper investigation i found the root cause.
It was an issue in router wich affect my wlan systems. The router forgot
all mac addresses randomly.
I got running environment after reset router.

Regards Martin

#1150201#15
Date:
2026-10-13 19:16:49 UTC
From:
To:
Closed by user request.