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: 2021-06-21 16:29:01+00:00
Resolved: 2021-07-20 17:04:13+00:00

**Filed by:** dluca [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=343383865&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/VrthpDeqSN6Ao_se5vdM5A/runs/0/artifacts/public/logs/live_backing.log

---
```
INFO - TEST-START | browser/base/content/test/performance/browser_tabopen_squeeze.js
[task 2021-06-21T14:50:23.300Z] 14:50:23     INFO - Buffered messages logged at 14:43:59
[task 2021-06-21T14:50:23.306Z] 14:50:23     INFO - Entering test bound 
[task 2021-06-21T14:50:23.319Z] 14:50:23     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 2021-06-21T14:50:23.319Z] 14:50:23     INFO - Buffered messages finished
[task 2021-06-21T14:50:23.320Z] 14:50:23    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/base/content/test/performance/browser_tabopen_squeeze.js | application timed out after 370 seconds with no output
[task 2021-06-21T14:50:23.320Z] 14:50:23    ERROR - Force-terminating active process(es).
[task 2021-06-21T14:50:23.329Z] 14:50:23     INFO - Determining child pids from psutil...
[task 2021-06-21T14:51:31.492Z] 14:51:31     INFO - [1654, 1672, 1734, 1773, 1799, 1800, 1832]
[task 2021-06-21T14:51:37.862Z] 14:51:37     INFO - ==> process 1589 launched child process 1604
[task 2021-06-21T14:51:41.978Z] 14:51:41     INFO - ==> process 1589 launched child process 1654
[task 2021-06-21T14:51:44.725Z] 14:51:44     INFO - ==> process 1589 launched child process 1672
[task 2021-06-21T14:51:48.632Z] 14:51:48     INFO - ==> process 1589 launched child process 1734
[task 2021-06-21T14:51:56.818Z] 14:51:56     INFO - ==> process 1589 launched child process 1773
[task 2021-06-21T14:52:07.370Z] 14:52:06     INFO - ==> process 1589 launched child process 1800
[task 2021-06-21T14:52:11.288Z] 14:52:10     INFO - ==> process 1589 launched child process 1832
[task 2021-06-21T14:52:25.325Z] 14:52:24     INFO - Found child pids: {1604, 1734, 1799, 1672, 1800, 1832, 1773, 1654}
[task 2021-06-21T14:52:39.763Z] 14:52:39     INFO - Failed to get child procs
[task 2021-06-21T14:52:48.734Z] 14:52:47     INFO - Killing process: 1604
[task 2021-06-21T14:53:11.775Z] 14:53:10     INFO - TEST-INFO | started process screentopng
[task 2021-06-21T15:09:51.052Z] 15:09:50     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', 'browser/base/content/test/performance/browser.ini', 'browser/base/content/test/tabPrompts/browser.ini', 'browser/components/downloads/test/browser/browser.ini', 'dom/media/autoplay/test/browser/browser.ini', 'dom/reporting/tests/browser.ini', 'dom/u2f/tests/browser/browser.ini', 'netwerk/cookie/test/browser/browser.ini', 'toolkit/modules/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', '--symbols-path=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/bkULsrNLTXe2Fxl8M8M3eg/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 2021-06-21T15:09:51.084Z] 15:09:51    ERROR - timed out after 1000 seconds of no output
[task 2021-06-21T15:09:51.084Z] 15:09:51    ERROR - Return code: -15
[task 2021-06-21T15:09:51.092Z] 15:09:51    ERROR - No suite end message was emitted by this harness.
[task 2021-06-21T15:09:51.092Z] 15:09:51     INFO - TinderboxPrint: mochitest-mochitest-browser-chrome<br/>58/0/0
[task 2021-06-21T15:09:51.092Z] 15:09:51    ERROR - # TBPL FAILURE #
[task 2021-06-21T15:09:51.092Z] 15:09:51  WARNING - setting return code to 2
[task 2021-06-21T15:09:51.092Z] 15:09:51    ERROR - The mochitest suite: mochitest-browser-chrome ran with return status: FAILURE
[task 2021-06-21T15:09:51.092Z] 15:09:51     INFO - Running post-action listener: _package_coverage_data
[task 2021-06-21T15:09:51.092Z] 15:09:51     INFO - Running post-action listener: _resource_record_post_action
[task 2021-06-21T15:09:51.092Z] 15:09:51     INFO - Running post-action listener: process_java_coverage_data
[task 2021-06-21T15:09:51.093Z] 15:09:51     INFO - [mozharness: 2021-06-21 15:09:51.092967Z] Finished run-tests step (success)
[task 2021-06-21T15:09:51.093Z] 15:09:51     INFO - Running post-run listener: _resource_record_post_run
[task 2021-06-21T15:09:54.042Z] 15:09:54     INFO - Validating Perfherder data against /builds/worker/workspace/mozharness/external_tools/performance-artifact-schema.json
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - PERFHERDER_DATA: {"framework": {"name": "job_resource_usage"}, "suites": [{"name": "mochitest.mochitest-browser-chrome.overall", "extraOptions": ["e10s", "taskcluster-c5.xlarge"], "subtests": [{"name": "cpu_percent", "value": 20.106228070175433}, {"name": "io_write_bytes", "value": 2076520448}, {"name": "io.read_bytes", "value": 476592709632}, {"name": "io_write_time", "value": 243912}, {"name": "io_read_time", "value": 60410740}]}, {"name": "mochitest.mochitest-browser-chrome.start-pulseaudio", "subtests": [{"name": "time", "value": 0.01726984977722168}]}, {"name": "mochitest.mochitest-browser-chrome.install", "subtests": [{"name": "time", "value": 29.96599006652832}, {"name": "cpu_percent", "value": 25.072321428571428}]}, {"name": "mochitest.mochitest-browser-chrome.stage-files", "subtests": [{"name": "time", "value": 0.00022101402282714844}]}, {"name": "mochitest.mochitest-browser-chrome.run-tests", "subtests": [{"name": "time", "value": 1675.6261217594147}, {"name": "cpu_percent", "value": 19.51558823529411}]}]}
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - Total resource usage - Wall time: 1706s; CPU: 20%; Read bytes: 476592709632; Write bytes: 2076520448; Read time: 60410740; Write time: 243912
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - TinderboxPrint: CPU usage<br/>19.5%
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - TinderboxPrint: I/O read bytes / time<br/>476,592,709,632 / 60,410,740
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - TinderboxPrint: I/O write bytes / time<br/>2,076,520,448 / 243,912
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - TinderboxPrint: CPU idle<br/>725.0 (10.7%)
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - TinderboxPrint: CPU iowait<br/>5,578.4 (82.6%)
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - TinderboxPrint: CPU system<br/>258.7 (3.8%)
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - TinderboxPrint: CPU user<br/>193.2 (2.9%)
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - TinderboxPrint: Swap in / out<br/>0 / 0
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - start-pulseaudio - Wall time: 0s; CPU: Can't collect data; Read bytes: 0; Write bytes: 0; Read time: 0; Write time: 0
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - install - Wall time: 30s; CPU: 25%; Read bytes: 7684096; Write bytes: 1697181696; Read time: 684; Write time: 208176
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - stage-files - Wall time: 0s; CPU: Can't collect data; Read bytes: 0; Write bytes: 0; Read time: 0; Write time: 0
[task 2021-06-21T15:09:54.058Z] 15:09:54     INFO - run-tests - Wall time: 1676s; CPU: 20%; Read bytes: 476585025536; Write bytes: 379338752; Read time: 60410056; Write time: 35736
[task 2021-06-21T15:09:54.128Z] 15:09:54  WARNING - returning nonzero exit status 2
[task 2021-06-21T15:09:54.639Z] cleanup
[task 2021-06-21T15:09:54.652Z] + cleanup
[task 2021-06-21T15:09:54.652Z] + local rv=2
[task 2021-06-21T15:09:54.653Z] + [[ -s /builds/worker/.xsession-errors ]]
[task 2021-06-21T15:09:54.653Z] + cp /builds/worker/.xsession-errors /builds/worker/artifacts/public/xsession-errors.log
[task 2021-06-21T15:09:54.801Z] + '[' ']'
[task 2021-06-21T15:09:54.801Z] + true
[task 2021-06-21T15:09:54.801Z] + cleanup_xvfb
[task 2021-06-21T15:09:54.802Z] ++ pidof Xvfb
[task 2021-06-21T15:09:54.816Z] + local xvfb_pid=50
[task 2021-06-21T15:09:54.817Z] + local vnc=false
[task 2021-06-21T15:09:54.817Z] + local interactive=false
[task 2021-06-21T15:09:54.817Z] + '[' -n 50 ']'
[task 2021-06-21T15:09:54.817Z] + [[ false == false ]]
[task 2021-06-21T15:09:54.817Z] + [[ false == false ]]
[task 2021-06-21T15:09:54.817Z] + kill 50
[task 2021-06-21T15:09:54.817Z] + screen -XS xvfb quit
[task 2021-06-21T15:09:55.252Z] + exit 2
[taskcluster 2021-06-21 15:09:56.395Z] === Task Finished ===
[taskcluster 2021-06-21 15:10:00.030Z] Unsuccessful task run with exit code: 2 completed in 1817.491 seconds

```