Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/components/sessionstore/test/browser_600545.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-03-15 16:48:19+00:00
Resolved: 2021-05-25 17:04:35+00:00

**Filed by:** csabou [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=333262101&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/KWTp2DbNT_2th7eR_h-SAw/runs/2/artifacts/public/logs/live_backing.log

---
```
[task 2021-03-15T15:44:21.642Z] 15:44:21     INFO - TEST-START | browser/components/sessionstore/test/browser_600545.js
[task 2021-03-15T15:50:35.478Z] 15:50:34     INFO - Buffered messages finished
[task 2021-03-15T15:50:39.657Z] 15:50:38    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/sessionstore/test/browser_600545.js | application timed out after 370 seconds with no output
[task 2021-03-15T15:50:42.237Z] 15:50:40    ERROR - Force-terminating active process(es).
[task 2021-03-15T15:50:46.454Z] 15:50:45     INFO - Determining child pids from psutil...
[task 2021-03-15T15:50:50.373Z] 15:50:49     INFO - [1656, 1632, 1715, 1751, 1818, 1791]
[task 2021-03-15T15:50:54.127Z] 15:50:53     INFO - ==> process 1569 launched child process 1584
[task 2021-03-15T15:50:56.474Z] 15:50:55     INFO - ==> process 1569 launched child process 1632
[task 2021-03-15T15:50:57.666Z] 15:50:57     INFO - ==> process 1569 launched child process 1656
[task 2021-03-15T15:50:58.002Z] 15:50:57     INFO - ==> process 1569 launched child process 1715
[task 2021-03-15T15:50:59.012Z] 15:50:58     INFO - ==> process 1569 launched child process 1751
[task 2021-03-15T15:50:59.446Z] 15:50:58     INFO - ==> process 1569 launched child process 1791
[task 2021-03-15T15:50:59.557Z] 15:50:59     INFO - ==> process 1569 launched child process 1818
[task 2021-03-15T15:50:59.568Z] 15:50:59     INFO - Found child pids: set([1632, 1584, 1715, 1751, 1656, 1818, 1791])
[task 2021-03-15T15:50:59.568Z] 15:50:59     INFO - Failed to get child procs
[task 2021-03-15T15:50:59.569Z] 15:50:59     INFO - Killing process: 1632
[task 2021-03-15T15:50:59.569Z] 15:50:59     INFO - TEST-INFO | started process screentopng
[task 2021-03-15T16:07:39.818Z] 16:07:39     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/sessionstore/test/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/NojVmyHpTWiZpj8LORkKWw/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 2021-03-15T16:07:39.830Z] 16:07:39    ERROR - timed out after 1000 seconds of no output
[task 2021-03-15T16:07:39.830Z] 16:07:39    ERROR - Return code: -15
[task 2021-03-15T16:07:39.830Z] 16:07:39    ERROR - No suite end message was emitted by this harness.
[task 2021-03-15T16:07:39.830Z] 16:07:39     INFO - TinderboxPrint: mochitest-mochitest-browser-chrome<br/>78/0/0
[task 2021-03-15T16:07:39.830Z] 16:07:39    ERROR - # TBPL FAILURE #
[task 2021-03-15T16:07:39.830Z] 16:07:39  WARNING - setting return code to 2
[task 2021-03-15T16:07:39.830Z] 16:07:39    ERROR - The mochitest suite: mochitest-browser-chrome ran with return status: FAILURE```