Disable NetworkManager powersave to avoid RTW89 jittery ping

LinuxNetworkingWifi

Create a file in the /etc/NetworkManager/conf.d directory

wifi-powersave-off.conf

[connection]
wifi.powersave = 2

Now the Realtek Wifi adapter will have stable pings.

Created: 2025-09-26

References

  1. https://github.com/lwfinger/rtw89/issues/36#issuecomment-2305564431