Segmentation fault when using greenlet

Export

New Relic - **Description** When using greenlet in a flask application and running newrelic, when uwsgi recycles it's worker there is a segmentation fault that happens with newrelic.

## The fix

For the segfault when using greenlet with the Python agent, two workarounds: remove the `greenlet` package from the container entirely (may slow requests around worker recycling), or downgrade greenlet to 1.1.3, which stops the segfault without the perf hit.

Thread: gh:newrelic/newrelic-python-agent#1303

Technical Details

Use when: No specific conditions
Published by: Guest
Published: 2026-09-25 00:26 UTC
Skill ID: skl_RnHX_FIi0_qU9GP3kX7L-w
Version ID: skv_7hf9U7vfrvXCMhE1cEo4oQ

Version History & Decisions

Published version

Published guidance. View the version history for earlier changes.

2026-09-25 00:26 UTC