Public bug reported:
[ Impact ]
Ubuntu 26.04 / OpenStack Gazpacho; Spice console shows nothing (Firefox
gets an empty page from the server).
[ Other Information ]
Reproducer:
Deploy horizon on Ubuntu 26.04 via regress-stack [1] and attempt to use
the spice console.
In `/var/log/nova/nova-spiceproxy.log`:
```
2026-06-16 15:21:17.063 96989 DEBUG nova.console.websocketproxy [-] 10.0.0.103:
new handler Process vmsg
/usr/lib/python3/dist-packages/websockify/websockifyserver.py:632
2026-06-16 15:21:17.065 96989 INFO nova.console.websocketproxy [-] handler
exception: Can't pickle <enum 'AddressFamily'>: it's not the same object as
socket.AddressFamily
2026-06-16 15:21:17.065 96989 DEBUG nova.console.websocketproxy [-] exception
vmsg /usr/lib/python3/dist-packages/websockify/websockifyserver.py:632
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy Traceback (most
recent call last):
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy File
"/usr/lib/python3/dist-packages/websockify/websockifyserver.py", line 839, in
start_server
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy p.start()
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy ~~~~~~~^^
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy File
"/usr/lib/python3.14/multiprocessing/process.py", line 121, in start
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy self._popen
= self._Popen(self)
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy
~~~~~~~~~~~^^^^^^
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy File
"/usr/lib/python3.14/multiprocessing/context.py", line 230, in _Popen
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy return
_default_context.get_context().Process._Popen(process_obj)
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy File
"/usr/lib/python3.14/multiprocessing/context.py", line 294, in _Popen
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy return
Popen(process_obj)
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy File
"/usr/lib/python3.14/multiprocessing/popen_spawn_posix.py", line 32, in __init__
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy
super().__init__(process_obj)
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy File
"/usr/lib/python3.14/multiprocessing/popen_fork.py", line 20, in __init__
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy
self._launch(process_obj)
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy
~~~~~~~~~~~~^^^^^^^^^^^^^
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy File
"/usr/lib/python3.14/multiprocessing/popen_spawn_posix.py", line 47, in _launch
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy
reduction.dump(process_obj, fp)
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy
~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy File
"/usr/lib/python3.14/multiprocessing/reduction.py", line 60, in dump
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy
ForkingPickler(file, protocol).dump(obj)
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy
_pickle.PicklingError: Can't pickle <enum 'AddressFamily'>: it's not the same
object as socket.AddressFamily
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy when
serializing socket.AddressFamily reconstructor
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy when
serializing socket.AddressFamily object
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy when
serializing tuple item 1
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy when
serializing eventlet.greenio.base.GreenSocket reconstructor arguments
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy when
serializing eventlet.greenio.base.GreenSocket object
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy when
serializing tuple item 0
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy when
serializing dict item '_args'
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy when
serializing multiprocessing.context.Process state
2026-06-16 15:21:17.065 96989 ERROR nova.console.websocketproxy when
serializing multiprocessing.context.Process object
```
** Affects: nova
Importance: Undecided
Status: New
** Affects: nova (Ubuntu)
Importance: Undecided
Status: New
** Affects: nova (Ubuntu Resolute)
Importance: Undecided
Status: New
** Affects: nova (Ubuntu Stonking)
Importance: Undecided
Status: New
** Also affects: nova (Ubuntu)
Importance: Undecided
Status: New
** Also affects: nova (Ubuntu Resolute)
Importance: Undecided
Status: New
** Also affects: nova (Ubuntu Stonking)
Importance: Undecided
Status: New
--
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https://bugs.launchpad.net/bugs/2156932
Title:
Spice console empty page due to PicklingError
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