qubes-update-gui crashes upon restart of running qubes with updated templates

[PeterLacknase]

Qubes OS release

Qubes OS 4.2.4

Brief summary

root# qubes-update-gui 

Exception in thread Thread-7 (perform_restart):
Traceback (most recent call last):
  File "/usr/lib64/python3.11/threading.py", line 1045, in _bootstrap_inner
    self.run()
  File "/usr/lib64/python3.11/threading.py", line 982, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib/python3.11/site-packages/qui/updater/summary_page.py", line 297, in perform_restart
    self.shutdown_domains(tmpls_to_shutdown)
  File "/usr/lib/python3.11/site-packages/qui/updater/summary_page.py", line 320, in shutdown_domains
    loop = asyncio.get_event_loop()
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.11/asyncio/events.py", line 677, in get_event_loop
    raise RuntimeError('There is no current event loop in thread %r.'
RuntimeError: There is no current event loop in thread 'Thread-7 (perform_restart)'.

Steps to reproduce

1. run qubes-update-gui from dom0 terminal
2. update qubes
3. select qubes with updated templates and click the next button

Expected behavior

The qubes should get restarted.

Actual behavior

The updater crashes with the above shown terminal output.

Additional information

No response

[mfc]

confirmed on my side. also see: https://forum.qubes-os.org/t/appvms-not-restarting-after-update/34684/11

[marmarek]

Fixed in QubesOS/qubes-desktop-linux-manager#270

[andrewdavidwong]

Closing as completed. If anyone believes this issue is not yet completed, or if anyone is still affected by this issue, please leave a comment saying so, and we'll be happy to reopen it. Thank you.

[lubellier]

The OP report is for Qubes OS 4.2, the PR merged in the main ( 4.3 ) branch.

I tested the QubesOS/qubes-desktop-linux-manager#270 on my 4.2 dom0, and it fixes the issue.

Will the PR be backported to 4.2 ?