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I installed Ubuntu 24.04 about a month ago on a Asus Vivobook. Soon
after the NetworkManager started misbehaving, with all connections to
the internet becoming idle now and then. When this event happens the
only way to restore internet access is to reboot the system. If
initially these events were occasional, they now take place 3 or 4 times
per day, often after signing in from the lock screen.
So far I was not able to verify whether NetworkManager is actually
crashing, the Settings programme reports "NetworkManager not running"
(see attached image). However, in the command line `systemctl` reports
an active service:
```
$ systemctl status NetworkManager
● NetworkManager.service - Network Manager
Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled>
Active: active (running) since Sun 2024-08-27 18:21:44 WEST; 2h 18min a>
Docs: man:NetworkManager(8)
Main PID: 1149 (NetworkManager)
Tasks: 4 (limit: 18646)
Memory: 12.2M (peak: 28.6M)
CPU: 836ms
CGroup: /system.slice/NetworkManager.service
└─1149 /usr/sbin/NetworkManager --no-daemon
ago 27 19:34:08 Symbolic NetworkManager[1149]: <info> [1724006048.8961] man>
ago 27 19:34:08 Symbolic NetworkManager[1149]: <info> [1724006048.8965] dev>
ago 27 19:34:09 Symbolic NetworkManager[1149]: <info> [1724006049.1482] dev>
ago 27 19:34:09 Symbolic NetworkManager[1149]: <info> [1724006049.1484] dev>
ago 27 19:34:09 Symbolic NetworkManager[1149]: <info> [1724006049.1488] dhc>
ago 27 19:34:09 Symbolic NetworkManager[1149]: <info> [1724006049.1488] dhc>
ago 27 19:34:09 Symbolic NetworkManager[1149]: <info> [1724006049.1489] dhc>
ago 27 19:34:09 Symbolic NetworkManager[1149]: <info> [1724006049.2049] dev>
ago 27 20:33:50 Symbolic NetworkManager[1149]: <info> [1724009630.5340] man>
ago 27 20:33:50 Symbolic NetworkManager[1149]: <info> [1724009630.5344] dev>
```
But if I try to restart the service, the command line just hangs up:
```
$ ping 1.1.1.1
ping: connect: Network is unreachable
$ sudo systemctl restart NetworkManager
```
Also from `ifconfig` there is no response:
```
$ ifconfig -a
```
Please let me know if there is further useful information I can report.
Thank you.
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: networking
--
Network Manager stops functioning on Ubuntu 24.04
https://bugs.launchpad.net/bugs/2080489
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