Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/base/content/test/performance/browser_tabopen_squeeze.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-04-02 01:15:12+00:00
Resolved: 2021-04-27 17:00:53+00:00

**Filed by:** btara [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=335241653&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/EdTRpFYiQamsJS0qZNlbbw/runs/3/artifacts/public/logs/live_backing.log

---
```
[task 2021-04-02T00:33:17.149Z] 00:33:17     INFO - TEST-START | browser/base/content/test/performance/browser_tabopen_squeeze.js
[task 2021-04-02T00:39:36.869Z] 00:39:35     INFO - Buffered messages logged at 00:33:17
[task 2021-04-02T00:39:52.907Z] 00:39:50     INFO - Entering test bound 
[task 2021-04-02T00:40:22.964Z] 00:40:20     INFO - TEST-PASS | browser/base/content/test/performance/browser_tabopen_squeeze.js | Tabstrip needs to be wide enough to accomodate at least 1 more tab without overflowing. - true == true - 
[task 2021-04-02T00:40:35.823Z] 00:40:33     INFO - Buffered messages finished
[task 2021-04-02T00:40:46.437Z] 00:40:44    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/base/content/test/performance/browser_tabopen_squeeze.js | application timed out after 370 seconds with no output
[task 2021-04-02T00:40:55.662Z] 00:40:54    ERROR - Force-terminating active process(es).
[task 2021-04-02T00:41:01.245Z] 00:41:00     INFO - Determining child pids from psutil...
[task 2021-04-02T00:41:45.246Z] 00:41:44     INFO - [1630, 1654, 1711, 1825, 1755, 1784, 1787, 1826]
[task 2021-04-02T00:41:55.199Z] 00:41:54     INFO - ==> process 1564 launched child process 1579
[task 2021-04-02T00:41:59.231Z] 00:41:57     INFO - ==> process 1564 launched child process 1630
[task 2021-04-02T00:42:02.245Z] 00:42:00     INFO - ==> process 1564 launched child process 1654
[task 2021-04-02T00:42:07.090Z] 00:42:05     INFO - ==> process 1564 launched child process 1711
[task 2021-04-02T00:42:11.011Z] 00:42:09     INFO - ==> process 1564 launched child process 1755
[task 2021-04-02T00:42:19.042Z] 00:42:17     INFO - ==> process 1564 launched child process 1787
[task 2021-04-02T00:42:24.786Z] 00:42:23     INFO - ==> process 1564 launched child process 1825
[task 2021-04-02T00:42:32.343Z] 00:42:30     INFO - ==> process 1564 launched child process 1826
[task 2021-04-02T00:42:39.648Z] 00:42:37     INFO - Found child pids: set([1825, 1826, 1787, 1579, 1711, 1654, 1784, 1755, 1630])
[task 2021-04-02T00:43:10.104Z] 00:43:08     INFO - Failed to get child procs
[task 2021-04-02T00:43:18.616Z] 00:43:16     INFO - Killing process: 1825
[task 2021-04-02T00:43:21.902Z] 00:43:20     INFO - TEST-INFO | started process screentopng
[task 2021-04-02T01:00:00.186Z] 01:00:00     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/base/content/test/performance/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/UzxRRPiaR2CKQoAFLT_SAg/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 2021-04-02T01:00:00.213Z] 01:00:00    ERROR - timed out after 1000 seconds of no output
[task 2021-04-02T01:00:00.213Z] 01:00:00    ERROR - Return code: -15
[task 2021-04-02T01:00:00.213Z] 01:00:00    ERROR - No suite end message was emitted by this harness.
[task 2021-04-02T01:00:00.213Z] 01:00:00     INFO - TinderboxPrint: mochitest-mochitest-browser-chrome<br/>52/0/0
[task 2021-04-02T01:00:00.213Z] 01:00:00    ERROR - # TBPL FAILURE #
[task 2021-04-02T01:00:00.213Z] 01:00:00  WARNING - setting return code to 2
[task 2021-04-02T01:00:00.213Z] 01:00:00    ERROR - The mochitest suite: mochitest-browser-chrome ran with return status: FAILURE
[task 2021-04-02T01:00:00.213Z] 01:00:00     INFO - Running post-action listener: _package_coverage_data
[task 2021-04-02T01:00:00.213Z] 01:00:00     INFO - Running post-action listener: _resource_record_post_action
[task 2021-04-02T01:00:00.213Z] 01:00:00     INFO - Running post-action listener: process_java_coverage_data
[task 2021-04-02T01:00:00.213Z] 01:00:00     INFO - [mozharness: 2021-04-02 01:00:00.074549Z] Finished run-tests step (success)```