Dear ZMQ Folks, We have recently migrated from python3.5.2/pyzmq20.0.0/libzmq4.3.3 to python3.11.0/pyzmq25.0.0/libzmq4.3.4. This is running on Ubuntu 16.04.g LTS with Linux 4.19.
This particular part of our system is a set of services which publish and subscribe to messages. all of those messages are published into a message "manager" service. The manager is the zmq.ROUTER, and the publishers/subscribers are zmq.DEALERs. The python3.5.2/pyzmq20.0.0/libzmq4.3.3 config has been nice and stable for several years. After the migration to python3.11.0/pyzmq25.0.0/libzmq4.3.4, we are observing occasional aborts of our manager service. We see messages such as these: Mar 11 05:07:34 [...]: Assertion failed: false (src/object.cpp:170) Mar 23 06:57:10 [...]: Assertion failed: ok (src/mailbox.cpp:99) We spent a bit of time eb searching for these kinds of assertions. We noted some activity back in 2019 associated with the Erlang bindings, but otherwise we're not finding anything that seems specific to the Python binding, but the search goes on. We are wondering if you may have experience with this already and/or have thoughts and suggestions on what we might look at or where you suspect the issue may lie. We'd be very thankful for any help you can offer. Blessings, Doug Meyer
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