Bug: Intermittent TEST-UNEXPECTED-FAIL | automation.py | application terminated with exit code -10 after Timed out waiting for connection on 127.0.0.1:2828
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-04-28 06:37:30+00:00
Resolved: 2023-05-22 12:01:23+00:00

**Filed by:** ncsoregi [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=337943581&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Dpwf0zt_QZ61JAuFLNlF7Q/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-04-28T00:36:16.410Z] 00:36:16     INFO - Application command: /opt/worker/tasks/task_161956682068157/build/application/Firefox Nightly.app/Contents/MacOS/firefox -marionette -foreground -profile /var/folders/dq/52wwk46913g4_3dpr138lxv0000014/T/tmp7FpUHF.mozrunner
[task 2021-04-28T00:36:16.415Z] 00:36:16     INFO - runtests.py | Application pid: 2695
[task 2021-04-28T00:36:16.415Z] 00:36:16     INFO - TEST-INFO | started process GECKO(2695)
[task 2021-04-28T00:36:16.463Z] 00:36:16     INFO - GECKO(2695) | err = 3 /builds/worker/checkouts/gecko/xpcom/build/mach_override.c:242
[task 2021-04-28T00:36:16.463Z] 00:36:16     INFO - GECKO(2695) | err = 3 /builds/worker/checkouts/gecko/xpcom/build/mach_override.c:256
[task 2021-04-28T00:36:16.463Z] 00:36:16     INFO - GECKO(2695) | err = 3 /builds/worker/checkouts/gecko/xpcom/build/mach_override.c:261
[task 2021-04-28T00:39:16.566Z] 00:39:16     INFO - runtests.py | Waiting for browser...
[task 2021-04-28T00:39:16.567Z] 00:39:16     INFO - TEST-INFO | Main app process: killed by SIGBUS
[task 2021-04-28T00:39:16.567Z] 00:39:16     INFO - Buffered messages finished
[task 2021-04-28T00:39:16.568Z] 00:39:16    ERROR - TEST-UNEXPECTED-FAIL | automation.py | application terminated with exit code -10
[task 2021-04-28T00:39:16.568Z] 00:39:16     INFO - runtests.py | Application ran for: 0:03:00.155693
[task 2021-04-28T00:39:16.569Z] 00:39:16     INFO - zombiecheck | Reading PID log: /var/folders/dq/52wwk46913g4_3dpr138lxv0000014/T/tmp2KANK1pidlog
[task 2021-04-28T00:39:16.569Z] 00:39:16     INFO -  Traceback (most recent call last):
[task 2021-04-28T00:39:16.569Z] 00:39:16     INFO -    File "/opt/worker/tasks/task_161956682068157/build/tests/mochitest/runtests.py", line 3227, in doTests
[task 2021-04-28T00:39:16.569Z] 00:39:16     INFO -      crashAsPass=options.crashAsPass,
[task 2021-04-28T00:39:16.570Z] 00:39:16     INFO -    File "/opt/worker/tasks/task_161956682068157/build/tests/mochitest/runtests.py", line 2633, in runApp
[task 2021-04-28T00:39:16.570Z] 00:39:16     INFO -      six.reraise(exc, value, tb)
[task 2021-04-28T00:39:16.570Z] 00:39:16     INFO -    File "/opt/worker/tasks/task_161956682068157/build/tests/mochitest/runtests.py", line 2500, in runApp
[task 2021-04-28T00:39:16.571Z] 00:39:16     INFO -      self.marionette.start_session()
[task 2021-04-28T00:39:16.571Z] 00:39:16     INFO -    File "/opt/worker/tasks/task_161956682068157/build/venv/lib/python2.7/site-packages/marionette_driver/decorators.py", line 37, in _
[task 2021-04-28T00:39:16.571Z] 00:39:16     INFO -      m._handle_socket_failure()
[task 2021-04-28T00:39:16.572Z] 00:39:16     INFO -    File "/opt/worker/tasks/task_161956682068157/build/venv/lib/python2.7/site-packages/marionette_driver/marionette.py", line 683, in _handle_socket_failure
[task 2021-04-28T00:39:16.572Z] 00:39:16     INFO -      reraise(exc_cls, exc, tb)
[task 2021-04-28T00:39:16.572Z] 00:39:16     INFO -    File "/opt/worker/tasks/task_161956682068157/build/venv/lib/python2.7/site-packages/marionette_driver/decorators.py", line 27, in _
[task 2021-04-28T00:39:16.572Z] 00:39:16     INFO -      return func(*args, **kwargs)
[task 2021-04-28T00:39:16.578Z] 00:39:16     INFO -    File "/opt/worker/tasks/task_161956682068157/build/venv/lib/python2.7/site-packages/marionette_driver/marionette.py", line 1180, in start_session
[task 2021-04-28T00:39:16.578Z] 00:39:16     INFO -      self.raise_for_port(timeout=timeout)
[task 2021-04-28T00:39:16.578Z] 00:39:16     INFO -    File "/opt/worker/tasks/task_161956682068157/build/venv/lib/python2.7/site-packages/marionette_driver/marionette.py", line 598, in raise_for_port
[task 2021-04-28T00:39:16.578Z] 00:39:16     INFO -      self.host, self.port
[task 2021-04-28T00:39:16.578Z] 00:39:16     INFO -  timeout: Timed out waiting for connection on 127.0.0.1:2828!
[task 2021-04-28T00:39:16.578Z] 00:39:16    ERROR - Automation Error: Received unexpected exception while running application
[task 2021-04-28T00:39:16.579Z] 00:39:16    ERROR - ```