Ubuntu 24.04 NetworkManager issues

[jwijenbergh]

There has been quite a lot of reports for NetworkManager crashing on Ubuntu 24.04. We're currently not sure if this is a client issue but as NetworkManager is crashing it does not make sense to only be an issue of this client.

I currently can not reproduce this issue in a VM. So it's tricky to figure out what is wrong.

The issues that have been reported:

• No succesful connection after OS upgrade to Ubuntu 24.04 noble #607
• eduVPN crashes NetworkManager on Ubuntu Noble eduvpn-common#61

Use the correct version

Make sure you are using the correct version of the client. For Ubuntu 24.04, the install instructions are the following:

https://docs.eduvpn.org/client/linux/installation.html#ubuntu-2404

If you're having issues please post the output of /etc/apt/sources.list.d/eduvpn-v4.list

Run updates

Maybe this has already been fixed in the Ubuntu 24.04 packaging, make sure your system is fully up to date and rebooted by running:

sudo apt update
sudo apt upgrade

and then rebooting your machine.

Try manually importing a configuration

If NetworkManager is still crashing, please try to manually import a WireGuard or OpenVPN config and report here that this step does work:

• Go to the base URL of your server in the browser: You can find the base URL here: https://disco.eduvpn.org/v2/ by searching for your server. Or in the case you're testing a custom server, you should already know the URL.
• If WireGuard: nmcli con import type wireguard file pathtowg.conf
• If OpenVPN: nmcli con import type openvpn file pathtoopenvpn.ovpn
• Then make sure the VPN is up with nmcli con up nameofvpnprofile

Possible upstream issues

• https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/2080489

[KajWiik]

This is really strange, older 24.04.1 install in another laptops work fine but the same versions installed today crash NM.
/etc/apt/sources.list.d/eduvpn-v4.list:

deb [arch=amd64 signed-by=/usr/share/keyrings/eduvpn-v4.gpg] https://app.eduvpn.org/linux/v4/deb/ noble main

$ eduvpn-cli -d connect -n 1
2024-11-01 17:22:38,015 - <function ApplicationModelTransitions.get_previous_servers at 0x758aa39ba7a0> - DEBUG - eduvpn.app - app.py:47 - Transition: MAIN, old state: 1
2024-11-01 17:22:38,019 - MainThread - DEBUG - eduvpn.nm - nm.py:897 - calling action with CLI mainloop
2024-11-01 17:22:38,029 - MainThread - DEBUG - eduvpn.nm - nm.py:901 - Quiting main loop, thanks!
2024-11-01 17:22:38,038 - <function ApplicationModelTransitions.get_previous_servers at 0x758aa39ba7a0> - DEBUG - eduvpn.app - app.py:47 - Transition: MAIN, old state: 1
2024-11-01 17:22:38,038 - MainThread - DEBUG - eduvpn.nm - nm.py:897 - calling action with CLI mainloop
2024-11-01 17:22:38,040 - <function ApplicationModelTransitions.getting_config at 0x758aa39bac00> - DEBUG - eduvpn.app - app.py:62 - Transition: GETTING_CONFIG, old state: 1
2024/11/01 17:22:38 - Go - DEBUG - got 304 for discovery, server_list.json not modified
2024/11/01 17:22:38 - Go - DEBUG - saving state file
2024-11-01 17:22:38,502 - <function ApplicationModelTransitions.parse_config at 0x758aa39bb740> - DEBUG - eduvpn.app - app.py:102 - Transition: GOT_CONFIG, old state: 4
2024-11-01 17:22:38,507 - <function ApplicationModelTransitions.parse_connecting at 0x758aa39bbc40> - DEBUG - eduvpn.app - app.py:127 - Transition: CONNECTING, old state: 7
2024-11-01 17:22:38,508 - MainThread - DEBUG - eduvpn.nm - nm.py:447 - writing wireguard configuration to Network Manager
2024-11-01 17:22:38,511 - MainThread - DEBUG - eduvpn.nm - nm.py:365 - Adding new connection
2024-11-01 17:22:39,387 - MainThread - ERROR - eduvpn.nm - nm.py:917 - add connection error: g-dbus-error-quark: Message recipient disconnected from message bus without replying (4)
2024-11-01 17:22:39,390 - MainThread - DEBUG - eduvpn.nm - nm.py:901 - Quiting main loop, thanks!
2024/11/01 17:22:39 - Go - DEBUG - saving state file
2024-11-01 17:22:39,411 - <function ApplicationModelTransitions.deregistered at 0x758aa39ba840> - DEBUG - eduvpn.app - app.py:52 - Transition: DEREGISTERED, old state: 8

If I go to the root of our eduvpn (https://eduvpn.utu.fi/vpn-user-portal/home), I do not see any wireguard configs.

Any suggestions?

[jwijenbergh]

hi, did you update and reboot your system? I have had multiple reports that went away after rebooting or so

[KajWiik]

Yes, I just updated and rebooted, no change. I also tried with wireless and wired connections, no effect. Upgrade of the working computer did have no effect, eduvpn is working there fine.

I also tried to copy .config/eduvpn from the working to the nonworking system, no effect, the same error message:

$ eduvpn-cli connect -n 1
2024-11-01 17:45:57,746 - MainThread - ERROR - eduvpn.nm - nm.py:917 - add connection error: g-dbus-error-quark: Message recipient disconnected from message bus without replying (4)

A variant of Heisenbug...

[KajWiik]

Do you have any further instructions how I could find our wireguard setup?

[jwijenbergh]

So what you can do is go to the URL manually https://eduvpn.utu.fi. you say you do not see any wireguard configs. Do you see OpenVPN ones? Try to manually import these with networkmanager:

WireGuard:

nmcli con import type wireguard file file.conf

OpenVPN

nmcli con import type openvpn file file.ovpn

[KajWiik]

I got a reply from the UTU Digital Services. They have blocked manual wireguard configs due to "life cycle control of user accounts" and do not support OpenVPN at all. That's the reason I do not see them in that web page. They will look into the issue next week in their test environment.

[KajWiik]

deb [arch=amd64 signed-by=/usr/share/keyrings/eduvpn-v4.gpg] https://app.eduvpn.org/linux/v4/deb/ noble main

[jwijenbergh]

deb [arch=amd64 signed-by=/usr/share/keyrings/eduvpn-v4.gpg] https://app.eduvpn.org/linux/v4/deb/ noble main

Sorry I removed my comment as I saw you already mentioned it.

In journalctl -u NetworkManager or dmesg do you see indeed that NM is crashing when you try to connect?