https://bugs.kde.org/show_bug.cgi?id=483491
Bug ID: 483491
Summary: Major system crash when connecting wired lan while
wifi is on in Neon 6
Classification: KDE Neon
Product: neon
Version: unspecified
Platform: Neon
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: neon-b...@kde.org
Reporter: wolft...@gmail.com
CC: j...@jriddell.org, neon-b...@kde.org, sit...@kde.org
Target Milestone: ---
SUMMARY
I had a long while back done something with tlp-rdw or some other something to
get wifi to turn off when I connected wired LAN. However, I haven't had TLP
installed for a long while due to whatever incompatibility that goes with
updated KDE Neon. Anyway, I don't have a fresh install, so I don't know if this
is a quirk of my setup.
The experience is: Prior to KDE Neon 6 release, I could disconnect from dock,
wifi turned on, and I could connect back to dock and wired LAN. Now, when I
disconnected, wifi did not turn on. I was able to turn it on with the system
tray Networks option. Then, when reconnected to dock, whether that session or
after restarting, I tried many variations: the whole system was extremely slow,
I couldn't even get a prompt in a terminal session. Plasma took minutes to load
and stayed unresponsive the whole system basically dysfunctioning. The way to
get it back was to manually turn off wifi while disconnected from the dock.
I tried various suggestions for scripts that would run at network connect to
turn off wifi automatically, but I did not get a successful one.
STEPS TO REPRODUCE
1. Have wifi off, wired LAN connected
2. Disconnect LAN, turn on wifi
3. Reconnect wired LAN without turning off wifi
OBSERVED RESULT
Whole system runs extremely slow, barely loads, can log into a console session
but the $ prompt then never shows up, have to force shut-down machine
EXPECTED RESULT
Everything should work fine and wired LAN connect, either with wifi staying as
well or turning off automatically
SOFTWARE/OS VERSIONS
Linux: Linux 6.5.0-25-lowlatency (64-bit), Wayland
KDE Plasma Version: 6.0.2
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
I have a Thinkpad T470p and am running the latest Neon User Edition.
ADDITIONAL INFORMATION
While on LAN:
```
$ nmcli
enp0s31f6: connected to Wired connection 1
"Intel I219-LM"
ethernet (e1000e), 8C:16:45:60:4B:59, hw, mtu 1500
ip4 default
inet4 192.168.0.42/24
route4 192.168.0.0/24 metric 100
route4 169.254.0.0/16 metric 1000
route4 default via 192.168.0.1 metric 100
inet6 fe80::f576:5dd7:c01c:56df/64
route6 fe80::/64 metric 1024
wlp3s0: unavailable
"Intel 8265 / 8275"
wifi (iwlwifi), CC:2F:71:FE:86:5C, sw disabled, hw disabled, hw, mtu
1500
p2p-dev-wlp3s0: unavailable
"p2p-dev-wlp3s0"
wifi-p2p, sw disabled, hw disabled, hw
```
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