Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/components/urlbar/tests/browser/browser_privateBrowsingWindowChange.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-04-01 20:40:47+00:00
Resolved: 2021-04-27 17:00:39+00:00

**Filed by:** csabou [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=335200985&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/boMy3bBrRTCZ8-zyPH27fA/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-04-01T19:57:37.642Z] 19:57:36     INFO - TEST-PASS | browser/components/urlbar/tests/browser/browser_privateBrowsingWindowChange.js | Check privatebrowsing page has not been loaded yet - "about:blank" != "about:privatebrowsing" - 
[task 2021-04-01T19:57:44.129Z] 19:57:43     INFO - Search in urlbar
[task 2021-04-01T19:57:49.754Z] 19:57:49     INFO - Awaiting for the urlbar panel to open
[task 2021-04-01T19:57:52.241Z] 19:57:51     INFO - Buffered messages logged at 19:51:11
[task 2021-04-01T19:57:55.650Z] 19:57:54     INFO - Urlbar panel opened
[task 2021-04-01T19:57:58.464Z] 19:57:57     INFO - Buffered messages finished
[task 2021-04-01T19:58:00.457Z] 19:57:58    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/urlbar/tests/browser/browser_privateBrowsingWindowChange.js | application timed out after 370 seconds with no output
[task 2021-04-01T19:58:03.926Z] 19:58:03    ERROR - Force-terminating active process(es).
[task 2021-04-01T19:58:07.213Z] 19:58:06     INFO - Determining child pids from psutil...
[task 2021-04-01T19:58:15.840Z] 19:58:15     INFO - [1791, 1597, 1639, 1663, 1720, 1754, 1817]
[task 2021-04-01T19:58:18.552Z] 19:58:17     INFO - ==> process 1564 launched child process 1579
[task 2021-04-01T19:58:22.437Z] 19:58:21     INFO - ==> process 1564 launched child process 1639
[task 2021-04-01T19:58:25.627Z] 19:58:24     INFO - ==> process 1564 launched child process 1663
[task 2021-04-01T19:58:30.523Z] 19:58:29     INFO - ==> process 1564 launched child process 1720
[task 2021-04-01T19:58:34.454Z] 19:58:33     INFO - ==> process 1564 launched child process 1754
[task 2021-04-01T19:58:36.699Z] 19:58:35     INFO - ==> process 1564 launched child process 1791
[task 2021-04-01T19:58:38.716Z] 19:58:36     INFO - ==> process 1564 launched child process 1817
[task 2021-04-01T19:58:43.497Z] 19:58:41     INFO - Found child pids: set([1639, 1579, 1720, 1817, 1754, 1791, 1597, 1663])
[task 2021-04-01T19:58:52.114Z] 19:58:51     INFO - Failed to get child procs
[task 2021-04-01T19:58:54.739Z] 19:58:53     INFO - Killing process: 1639
[task 2021-04-01T19:58:58.822Z] 19:58:58     INFO - TEST-INFO | started process screentopng
[task 2021-04-01T20:15:47.422Z] 20:15:47     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/urlbar/tests/browser/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/dUX8EzTqRcKKGLyrgH_juA/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 2021-04-01T20:15:47.476Z] 20:15:47    ERROR - timed out after 1000 seconds of no output
[task 2021-04-01T20:15:47.476Z] 20:15:47    ERROR - Return code: -15
[task 2021-04-01T20:15:47.476Z] 20:15:47    ERROR - No suite end message was emitted by this harness.
[task 2021-04-01T20:15:47.476Z] 20:15:47     INFO - TinderboxPrint: mochitest-mochitest-browser-chrome<br/>85/0/0
[task 2021-04-01T20:15:47.476Z] 20:15:47    ERROR - # TBPL FAILURE #
[task 2021-04-01T20:15:47.476Z] 20:15:47  WARNING - setting return code to 2
[task 2021-04-01T20:15:47.476Z] 20:15:47    ERROR - The mochitest suite: mochitest-browser-chrome ran with return status: FAILURE```