John Snow <js...@redhat.com> writes:
> On Fri, Jul 11, 2025, 10:47 AM Markus Armbruster <arm...@redhat.com> wrote:
[...]
>> Exception ignored in: <function QEMUMonitorProtocol.__del__ at
>> 0x7fcfcd080d60>
>> Traceback (most recent call last):
>> File "/work/armbru/qemu/scripts/qmp/../../python/qemu/qmp/legacy.py",
>> line 310, in __del__
>> self.close()
>> File "/work/armbru/qemu/scripts/qmp/../../python/qemu/qmp/legacy.py",
>> line 281, in close
>> self._sync(
>> File "/work/armbru/qemu/scripts/qmp/../../python/qemu/qmp/legacy.py",
>> line 102, in _sync
>> return self._aloop.run_until_complete(
>> File "/usr/lib64/python3.13/asyncio/base_events.py", line 719, in
>> run_until_complete
>> return future.result()
>> File "/usr/lib64/python3.13/asyncio/tasks.py", line 507, in wait_for
>> return await fut
>> File "/work/armbru/qemu/scripts/qmp/../../python/qemu/qmp/protocol.py",
>> line 399, in disconnect
>> await self._wait_disconnect()
>> File "/work/armbru/qemu/scripts/qmp/../../python/qemu/qmp/protocol.py",
>> line 719, in _wait_disconnect
>> await all_defined_tasks # Raise Exceptions from the bottom half.
>> File "/work/armbru/qemu/scripts/qmp/../../python/qemu/qmp/protocol.py",
>> line 870, in _bh_loop_forever
>> await async_fn()
>> RuntimeError: cannot reuse already awaited coroutine
>>
>
> Curious about this backtrace. It looks like something has gone
> fundamentally wrong in the internals and the error is being raised by the
> garbage collector which is not ideal.
>
> Can you help me reproduce this? Even if it's old/bad code, I don't want
> python-qemu-qmp faulting like this.
Reproducer for Fedora 41, current master c079d3a31e4:
Run
$ qemu-system-x86_64 -S -display none -chardev
socket,id=mon1,path=test-qmp,server=on,wait=off -mon
mode=control,id=qmp,chardev=mon1
and
$ scripts/qmp/qom-tree -s test-qmp >/dev/null
Questions?
