Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/components/preferences/tests/browser_search_subdialogs_within_preferences_site_data.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2020-12-04 00:04:12+00:00
Resolved: 2021-02-08 06:31:05+00:00

**Filed by:** apavel [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=323492924&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/bzjPm6cbRUGEZ3_UIM0MZA/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2020-12-03T22:53:03.342Z] 22:53:03     INFO - TEST-START | browser/components/preferences/tests/browser_search_subdialogs_within_preferences_site_data.js
[task 2020-12-03T22:59:15.729Z] 22:59:15     INFO - Buffered messages logged at 22:53:03
[task 2020-12-03T22:59:17.335Z] 22:59:15     INFO - Entering test bound 
[task 2020-12-03T22:59:19.527Z] 22:59:18     INFO - Leaving test bound 
[task 2020-12-03T22:59:22.609Z] 22:59:22     INFO - Entering test bound 
[task 2020-12-03T22:59:24.007Z] 22:59:22     INFO - Buffered messages finished
[task 2020-12-03T22:59:25.861Z] 22:59:24    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/preferences/tests/browser_search_subdialogs_within_preferences_site_data.js | application timed out after 370 seconds with no output
[task 2020-12-03T22:59:27.815Z] 22:59:25    ERROR - Force-terminating active process(es).
[task 2020-12-03T22:59:30.499Z] 22:59:29     INFO - Determining child pids from psutil...
[task 2020-12-03T22:59:32.890Z] 22:59:32     INFO - [1595, 1619, 1644, 1705, 1735, 1770, 1799]
[task 2020-12-03T22:59:34.377Z] 22:59:33     INFO - ==> process 1539 launched child process 1562
[task 2020-12-03T22:59:35.387Z] 22:59:34     INFO - ==> process 1539 launched child process 1619
[task 2020-12-03T22:59:36.171Z] 22:59:35     INFO - ==> process 1539 launched child process 1644
[task 2020-12-03T22:59:36.909Z] 22:59:36     INFO - ==> process 1539 launched child process 1705
[task 2020-12-03T22:59:37.047Z] 22:59:36     INFO - ==> process 1539 launched child process 1735
[task 2020-12-03T22:59:37.516Z] 22:59:36     INFO - ==> process 1539 launched child process 1770
[task 2020-12-03T22:59:38.468Z] 22:59:36     INFO - ==> process 1539 launched child process 1799
[task 2020-12-03T22:59:38.984Z] 22:59:36     INFO - Found child pids: set([1735, 1705, 1770, 1799, 1644, 1619, 1562, 1595])
[task 2020-12-03T22:59:40.002Z] 22:59:37     INFO - Failed to get child procs
[task 2020-12-03T22:59:40.794Z] 22:59:38     INFO - Killing process: 1735
[task 2020-12-03T22:59:41.479Z] 22:59:38     INFO - TEST-INFO | started process screentopng
[task 2020-12-03T23:16:23.974Z] 23:16:23     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/Xgkq5TCCSp6B7m-b8r3f-g/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 2020-12-03T23:16:23.994Z] 23:16:23    ERROR - timed out after 1000 seconds of no output
[task 2020-12-03T23:16:23.994Z] 23:16:23    ERROR - Return code: -15
[task 2020-12-03T23:16:23.994Z] 23:16:23    ERROR - No suite end message was emitted by this harness.
[task 2020-12-03T23:16:23.994Z] 23:16:23     INFO - TinderboxPrint: mochitest-mochitest-browser-chrome<br/>160/0/0
[task 2020-12-03T23:16:23.994Z] 23:16:23    ERROR - # TBPL FAILURE #
[task 2020-12-03T23:16:23.994Z] 23:16:23  WARNING - setting return code to 2
[task 2020-12-03T23:16:23.994Z] 23:16:23    ERROR - The mochitest suite: mochitest-browser-chrome ran with return status: FAILUR
[task 2020-12-03T23:16:23.994Z] 23:16:23     INFO - Running post-action listener: _package_coverage_data
[task 2020-12-03T23:16:23.994Z] 23:16:23     INFO - Running post-action listener: _resource_record_post_action
[task 2020-12-03T23:16:23.994Z] 23:16:23     INFO - Running post-action listener: process_java_coverage_data
[task 2020-12-03T23:16:23.994Z] 23:16:23     INFO - [mozharness: 2020-12-03 23:16:23.917020Z] Finished run-tests step (success)
[task 2020-12-03T23:16:23.994Z] 23:16:23     INFO - Running post-run listener: _resource_record_post_run
[task 2020-12-03T23:16:24.682Z] 23:16:24     INFO - Validating Perfherder data against /builds/worker/workspace/mozharness/external_tools/performance-artifact-schema.json
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - PERFHERDER_DATA: {"framework": {"name": "job_resource_usage"}, "suites": [{"subtests": [{"name": "cpu_percent", "value": 23.493364871421665}, {"name": "io_write_bytes", "value": 2117963776}, {"name": "io.read_bytes", "value": 483147485184}, {"name": "io_write_time", "value": 245976}, {"name": "io_read_time", "value": 53066456}], "extraOptions": ["e10s", "taskcluster-c5.xlarge"], "name": "mochitest.mochitest-browser-chrome.overall"}, {"subtests": [{"name": "time", "value": 0.019773006439208984}], "name": "mochitest.mochitest-browser-chrome.start-pulseaudio"}, {"subtests": [{"name": "time", "value": 42.6937038898468}, {"name": "cpu_percent", "value": 25.218902439024387}], "name": "mochitest.mochitest-browser-chrome.install"}, {"subtests": [{"name": "time", "value": 0.00018286705017089844}], "name": "mochitest.mochitest-browser-chrome.stage-files"}, {"subtests": [{"name": "time", "value": 2812.2292740345}, {"name": "cpu_percent", "value": 23.45609514370666}], "name": "mochitest.mochitest-browser-chrome.run-tests"}]}
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - Total resource usage - Wall time: 2855s; CPU: 23.0%; Read bytes: 483147485184; Write bytes: 2117963776; Read time: 53066456; Write time: 245976
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - TinderboxPrint: CPU usage<br/>23.5%
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - TinderboxPrint: I/O read bytes / time<br/>483,147,485,184 / 53,066,456
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - TinderboxPrint: I/O write bytes / time<br/>2,117,963,776 / 245,976
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - TinderboxPrint: CPU idle<br/>4,506.7 (39.8%)
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - TinderboxPrint: CPU iowait<br/>4,698.2 (41.5%)
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - TinderboxPrint: CPU system<br/>344.3 (3.0%)
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - TinderboxPrint: CPU user<br/>1,784.6 (15.7%)
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - TinderboxPrint: Swap in / out<br/>0 / 0
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - start-pulseaudio - Wall time: 0s; CPU: Can't collect data; Read bytes: 0; Write bytes: 0; Read time: 0; Write time: 0
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - install - Wall time: 43s; CPU: 25.0%; Read bytes: 8192; Write bytes: 1685417984; Read time: 112; Write time: 194700
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - stage-files - Wall time: 0s; CPU: Can't collect data; Read bytes: 0; Write bytes: 0; Read time: 0; Write time: 0
[task 2020-12-03T23:16:24.692Z] 23:16:24     INFO - run-tests - Wall time: 2812s; CPU: 23.0%; Read bytes: 483146944512; Write bytes: 432545792; Read time: 53066304; Write time: 51276
[task 2020-12-03T23:16:25.080Z] 23:16:25  WARNING - returning nonzero exit status 2```