Unsing a Jammy system and installing libnetplan1 from Noble leads to
this issue. When network-manager is installed in that context, it also
triggers the crash:
root@jj-nn-np-nm-crash:~# dpkg -l | grep netplan
ii libnetplan0:amd64 0.106.1-7ubuntu0.22.04.4
amd64 YAML network configuration abstraction runtime library
ii libnetplan1:amd64 1.0.1-1ubuntu2~24.04.1
amd64 Declarative network configuration runtime library
ii netplan.io 0.106.1-7ubuntu0.22.04.4
amd64 YAML network configuration abstraction for various backends
root@jj-nn-np-nm-crash:~# netplan generate
Traceback (most recent call last):
File "/usr/sbin/netplan", line 20, in <module>
from netplan import Netplan
File "/usr/share/netplan/netplan/__init__.py", line 18, in <module>
from netplan.cli.core import Netplan
File "/usr/share/netplan/netplan/cli/core.py", line 24, in <module>
import netplan.cli.utils as utils
File "/usr/share/netplan/netplan/cli/utils.py", line 27, in <module>
import netplan.libnetplan as np
File "/usr/share/netplan/netplan/libnetplan.py", line 54, in <module>
lib.netplan_get_id_from_nm_filename.restype = ctypes.c_char_p
File "/usr/lib/python3.10/ctypes/__init__.py", line 387, in __getattr__
func = self.__getitem__(name)
File "/usr/lib/python3.10/ctypes/__init__.py", line 392, in __getitem__
func = self._FuncPtr((name_or_ordinal, self))
AttributeError: /lib/x86_64-linux-gnu/libnetplan.so.1: undefined symbol:
netplan_get_id_from_nm_filename
root@jj-nn-np-nm-crash:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.4 LTS
Release: 22.04
Codename: jammy
root@jj-nn-np-nm-crash:~# ll
/var/crash/_usr_share_netplan_netplan.script.0.crash
-rw-r----- 1 root root 31274 Sep 12 14:37
/var/crash/_usr_share_netplan_netplan.script.0.crash
The installation of "network-manager" succeeds, but the crash can then be
observed.
root@jj-nn-np-nm-crash:~# apt install network-manager
[...]
root@jj-nn-np-nm-crash:~# systemctl status NetworkManager
● NetworkManager.service - Network Manager
Loaded: loaded (/lib/systemd/system/NetworkManager.service; enabled;
vendor preset: enabled)
Active: active (running) since Thu 2024-09-12 14:38:17 UTC; 1min 50s ago
Docs: man:NetworkManager(8)
Main PID: 4993 (NetworkManager)
Tasks: 4 (limit: 28393)
Memory: 3.0M
CPU: 444ms
CGroup: /system.slice/NetworkManager.service
└─4993 /usr/sbin/NetworkManager --no-daemon
Sep 12 14:38:17 jj-nn-np-nm-crash NetworkManager[5021]:
lib.netplan_get_id_from_nm_filename.restype = ctypes.c_char_p
Sep 12 14:38:17 jj-nn-np-nm-crash NetworkManager[5021]:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 12 14:38:17 jj-nn-np-nm-crash NetworkManager[5021]: File
"/usr/lib/python3.12/ctypes/__init__.py", line 392, in __getattr__
Sep 12 14:38:17 jj-nn-np-nm-crash NetworkManager[5021]: func =
self.__getitem__(name)
Sep 12 14:38:17 jj-nn-np-nm-crash NetworkManager[5021]:
^^^^^^^^^^^^^^^^^^^^^^
Sep 12 14:38:17 jj-nn-np-nm-crash NetworkManager[5021]: File
"/usr/lib/python3.12/ctypes/__init__.py", line 397, in __getitem__
Sep 12 14:38:17 jj-nn-np-nm-crash NetworkManager[5021]: func =
self._FuncPtr((name_or_ordinal, self))
Sep 12 14:38:17 jj-nn-np-nm-crash NetworkManager[5021]:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 12 14:38:17 jj-nn-np-nm-crash NetworkManager[5021]: AttributeError:
/lib/x86_64-linux-gnu/libnetplan.so.1: undefined symbol:
netplan_get_id_from_nm_filename
Sep 12 14:38:17 jj-nn-np-nm-crash NetworkManager[4993]: <info>
[1726151897.7165] audit: op="connections-reload" pid=5011 uid=0 result="success"
After the "netplan.io" package is upgraded as well, the crash doesn't
happen anymore in network-manager, no otherwise.
root@jj-nn-np-nm-crash:~# apt install netplan.io
[...]
root@jj-nn-np-nm-crash:~# netplan generate
root@jj-nn-np-nm-crash:~# echo $?
0
root@jj-nn-np-nm-crash:~# systemctl restart NetworkManager
root@jj-nn-np-nm-crash:~# systemctl status NetworkManager
● NetworkManager.service - Network Manager
Loaded: loaded (/lib/systemd/system/NetworkManager.service; enabled;
vendor preset: enabled)
Active: active (running) since Thu 2024-09-12 14:44:51 UTC; 1s ago
Docs: man:NetworkManager(8)
Main PID: 6451 (NetworkManager)
Tasks: 5 (limit: 28393)
Memory: 2.9M
CPU: 284ms
CGroup: /system.slice/NetworkManager.service
└─6451 /usr/sbin/NetworkManager --no-daemon
Sep 12 14:44:51 jj-nn-np-nm-crash NetworkManager[6451]: <info>
[1726152291.2752] ifupdown: management mode: unmanaged
Sep 12 14:44:51 jj-nn-np-nm-crash NetworkManager[6451]: <info>
[1726152291.2752] ifupdown: interfaces file /etc/network/interfaces doesn't
exist
Sep 12 14:44:51 jj-nn-np-nm-crash NetworkManager[6451]: <info>
[1726152291.6431] dhcp: init: Using DHCP client 'internal'
Sep 12 14:44:51 jj-nn-np-nm-crash NetworkManager[6451]: <info>
[1726152291.6433] manager: (lo): new Loopback device
(/org/freedesktop/NetworkManager/Devices/1)
Sep 12 14:44:51 jj-nn-np-nm-crash NetworkManager[6451]: <info>
[1726152291.6442] device (eth0): carrier: link connected
Sep 12 14:44:51 jj-nn-np-nm-crash NetworkManager[6451]: <info>
[1726152291.6445] manager: (eth0): new Veth device
(/org/freedesktop/NetworkManager/Devices/2)
Sep 12 14:44:51 jj-nn-np-nm-crash NetworkManager[6451]: <info>
[1726152291.6451] failed to open /run/network/ifstate
Sep 12 14:44:51 jj-nn-np-nm-crash systemd[1]: Started Network Manager.
Sep 12 14:44:51 jj-nn-np-nm-crash NetworkManager[6451]: <info>
[1726152291.6457] bus-manager: acquired D-Bus service
"org.freedesktop.NetworkManager"
Sep 12 14:44:51 jj-nn-np-nm-crash NetworkManager[6451]: <info>
[1726152291.6470] manager: startup complete
** Also affects: netplan.io (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: netplan.io (Ubuntu Oracular)
Importance: Medium
Status: Confirmed
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https://bugs.launchpad.net/bugs/2033259
Title:
netplan.script crashed with AttributeError in __getitem__():
/usr/bin/python3: undefined symbol: netplan_get_id_from_nm_filename
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