Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/components/preferences/tests/browser_sync_pairing.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-01-21 19:51:46+00:00
Resolved: 2021-05-04 17:04:53+00:00

**Filed by:** btara [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=327397465&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/CFaAo-ylRGW14O-oyetXOg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-01-21T19:12:40.556Z] 19:12:40     INFO - TEST-START | browser/components/preferences/tests/browser_sync_pairing.js
[task 2021-01-21T19:18:52.515Z] 19:18:52     INFO - Buffered messages logged at 19:12:41
[task 2021-01-21T19:18:52.936Z] 19:18:52     INFO - Entering test bound setup
[task 2021-01-21T19:18:53.581Z] 19:18:52     INFO - Leaving test bound setup
[task 2021-01-21T19:18:55.221Z] 19:18:54     INFO - Entering test bound testShowsQRCode
[task 2021-01-21T19:18:55.874Z] 19:18:55     INFO - Buffered messages finished
[task 2021-01-21T19:18:56.934Z] 19:18:56    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/preferences/tests/browser_sync_pairing.js | application timed out after 370 seconds with no output
[task 2021-01-21T19:18:58.441Z] 19:18:57    ERROR - Force-terminating active process(es).
[task 2021-01-21T19:18:58.966Z] 19:18:57     INFO - Determining child pids from psutil...
[task 2021-01-21T19:18:59.380Z] 19:18:58     INFO - [1633, 1658, 1728, 1759, 1793, 1822, 1846]
[task 2021-01-21T19:19:00.032Z] 19:18:59     INFO - ==> process 1562 launched child process 1577
[task 2021-01-21T19:19:01.526Z] 19:19:00     INFO - ==> process 1562 launched child process 1633
[task 2021-01-21T19:19:02.438Z] 19:19:00     INFO - ==> process 1562 launched child process 1658
[task 2021-01-21T19:19:04.359Z] 19:19:01     INFO - ==> process 1562 launched child process 1728
[task 2021-01-21T19:19:05.855Z] 19:19:03     INFO - ==> process 1562 launched child process 1759
[task 2021-01-21T19:19:07.974Z] 19:19:06     INFO - ==> process 1562 launched child process 1793
[task 2021-01-21T19:19:10.510Z] 19:19:10     INFO - ==> process 1562 launched child process 1822
[task 2021-01-21T19:19:12.395Z] 19:19:11     INFO - Found child pids: set([1728, 1633, 1793, 1577, 1846, 1658, 1822, 1759])
[task 2021-01-21T19:19:16.445Z] 19:19:15     INFO - Failed to get child procs
[task 2021-01-21T19:19:20.516Z] 19:19:19     INFO - Killing process: 1728
[task 2021-01-21T19:19:23.200Z] 19:19:22     INFO - TEST-INFO | started process screentopng
[task 2021-01-21T19:36:02.677Z] 19:36:02     INFO - Automation Error: mozprocess timed out after 1000 seconds running ['/builds/worker/workspace/build/venv/bin/python', '-u', '/builds/worker/workspace/build/tests/mochitest/runtests.py', u'browser/components/preferences/tests/browser.ini', '--setpref=media.peerconnection.mtransport_process=false', '--setpref=network.process.enabled=false', '--appname=/builds/worker/workspace/build/application/firefox/firefox', '--utility-path=tests/bin', '--extra-profile-file=tests/bin/plugins', u'--symbols-path=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/cW7sRd5KQZi0o6k65buGqw/artifacts/public/build/target.crashreporter-symbols.zip', '--certificate-path=tests/certs', '--setpref=webgl.force-enabled=true', '--quiet', '--log-raw=/builds/worker/workspace/build/blobber_upload_dir/mochitest-browser-chrome_raw.log', '--log-errorsummary=/builds/worker/workspace/build/blobber_upload_dir/mochitest-browser-chrome_errorsummary.log', '--use-test-media-devices', '--screenshot-on-fail', '--cleanup-crashes', '--marionette-startup-timeout=180', '--sandbox-read-whitelist=/builds/worker/workspace/build', '--log-raw=-', '--flavor=browser', '--chunk-by-runtime']
[task 2021-01-21T19:36:02.694Z] 19:36:02    ERROR - timed out after 1000 seconds of no output
[task 2021-01-21T19:36:02.694Z] 19:36:02    ERROR - Return code: -15
[task 2021-01-21T19:36:02.694Z] 19:36:02    ERROR - No suite end message was emitted by this harness.
[task 2021-01-21T19:36:02.694Z] 19:36:02     INFO - TinderboxPrint: mochitest-mochitest-browser-chrome<br/>178/0/0
[task 2021-01-21T19:36:02.694Z] 19:36:02    ERROR - # TBPL FAILURE #
[task 2021-01-21T19:36:02.694Z] 19:36:02  WARNING - setting return code to 2
[task 2021-01-21T19:36:02.694Z] 19:36:02    ERROR - The mochitest suite: mochitest-browser-chrome ran with return status: FAILURE```