[Bug 46704] League Of Legends 9.4, Connection issue - We' re unable to log you in because you may be offline.

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=46704

--- Comment #27 from Jonathan Preston <jpreston at jpreston.net> ---
I made some progress, I think. I am now able to successfully log in in all
cases, assuming the game launches to the login screen (which it doesn't about
50% of the time, but I think that's an unrelated issue).

Essentially, what I did is bypass systemd-resolved.

To reproduce the "solution" on Ubuntu 18.04 (assuming you are already impacted
by this issue):

1. Tell Network Manager not to manage our resolv.conf by editing
/etc/NetworkManager/NetworkManager.conf, and adding the following line to the
[main] section:
    dns=none
2. Restart Network Manager:
    systemctl restart network-manager
3. Now remove symlinked resolv.conf that is part of systemd:
    rm /etc/resolv.conf
4. Create a new resolv.conf with your text editor of choice and add the
following line:
    nameserver 8.8.8.8
5. Restart Network Manager again.

To revert the changes:
    Remove the line "dns=none" from /etc/NetworkManager/NetworkManager.conf
    rm /etc/resolv.conf
    ln -s /run/systemd/resolve/stub-resolv.conf /etc/resolv.conf
    systemctl restart network-manager

I'm not exactly sure why this works, but it does work on the one system I've
tried it on, and the problem returned immediately when I reverted the changes.
Naturally, I do not recommend this approach as a permanent workaround, as local
DNS caching is generally good.

Hopefully this is helpful information.

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