Network Manager sets powersave on by default, thus making many WiFi connections unreliable

[Pjotr12345]

As the headline says. On the support fora that I frequent, many people report unstable and unreliable WiFi connections because of this. In those cases, when power management for the WiFi chipset is turned off, the connection immediately improves a lot.

Therefore the default for WiFi power management should be "off", non "on".

Workaround for those who don't want to wait for the fix:
sudo sed -i 's/3/2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf

Reboot.

When there's no such .conf file yet:
sudo touch /etc/NetworkManager/conf.d/default-wifi-powersave-off.conf

echo "[connection]" | sudo tee /etc/NetworkManager/conf.d/default-wifi-powersave-off.conf

echo "wifi.powersave = 2" | sudo tee -a /etc/NetworkManager/conf.d/default-wifi-powersave-off.conf

Reboot.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Jeremy (wa113y3s)]

Please revert https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1557026

[Jeremy (wa113y3s)]

The actual git commit is https://git.launchpad.net/network-manager/commit/?id=b07d891427e6698838feb42e03ac668893125775

[Erich Eickmeyer (eeickmeyer)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal:
apport-collect 1960817

When reporting bugs in the future please use apport by using 'ubuntu-bug' and the name of the package affected. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs.

[Launchpad Janitor (janitor)]

[Expired for network-manager (Ubuntu) because there has been no activity for 60 days.]