The GitHub Actions job "Tests" on airflow.git has failed.
Run started by GitHub user ashb (triggered by ashb).

Head commit for run:
1a9c9466c096594f8628d80458431b4d30819897 / Ash Berlin-Taylor <[email protected]>
Add SIGUSR2 handler for LocalTaskJob and workers to aid debugging

There have been multiple reports of people with tasks stuck in the
running state, and no obvious activity from the running task, but the
supervisor is still actively heart beating.

In order to make it easier/possibly to tell _where_ the process is stuck
we add a SIGUSR2 handler to the Task supervisor (that is purposefully
inherited to the actual task process itself) that will print the current
stack trace on receiving USR2 - is the same signal we use for
causing a debug dump in the Scheduler.

Report URL: https://github.com/apache/airflow/actions/runs/3678329623

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