Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/components/shell/test/test_headless_screenshot.html | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-05-27 05:44:58+00:00
Resolved: 2020-07-14 17:02:22+00:00

**Filed by:** abutkovits [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=303885567&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fK8AmN5ET16aLF3ihil-mQ/runs/0/artifacts/public/logs/live_backing.log

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[task 2020-05-27T04:33:30.525Z] 04:33:30     INFO - TEST-START | browser/components/shell/test/test_headless_screenshot.html
[task 2020-05-27T04:33:31.873Z] 04:33:31     INFO - GECKO(2975) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /var/folders/46/7l78jpwn6pg7v1b63gq7p834000017/T/tmp8nJDSI.mozrunner/runtests_leaks.log
[task 2020-05-27T04:33:31.873Z] 04:33:31     INFO - GECKO(2975) | [2976, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp, line 243


[task 2020-05-27T04:40:33.087Z] 04:40:33    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/shell/test/test_headless_screenshot.html | application timed out after 370 seconds with no output
[task 2020-05-27T04:40:33.087Z] 04:40:33    ERROR - Force-terminating active process(es).
[task 2020-05-27T04:40:33.088Z] 04:40:33     INFO - Determining child pids from psutil...
[task 2020-05-27T04:40:33.088Z] 04:40:33     INFO - [2996]
[task 2020-05-27T04:40:33.088Z] 04:40:33     INFO - ==> process 2976 launched child process 2977
[task 2020-05-27T04:40:33.088Z] 04:40:33     INFO - ==> process 2978 launched child process 2979
[task 2020-05-27T04:40:33.088Z] 04:40:33     INFO - ==> process 2980 launched child process 2981
[task 2020-05-27T04:40:33.088Z] 04:40:33     INFO - ==> process 2982 launched child process 2983
[task 2020-05-27T04:40:33.088Z] 04:40:33     INFO - ==> process 2984 launched child process 2985
[task 2020-05-27T04:40:33.088Z] 04:40:33     INFO - ==> process 2986 launched child process 2987
[task 2020-05-27T04:40:33.088Z] 04:40:33     INFO - ==> process 2988 launched child process 2995
[task 2020-05-27T04:40:33.089Z] 04:40:33     INFO - ==> process 2996 launched child process 2997
[task 2020-05-27T04:40:33.089Z] 04:40:33     INFO - Found child pids: set([2977, 2979, 2981, 2983, 2985, 2987, 2995, 2996, 2997])
[task 2020-05-27T04:40:33.089Z] 04:40:33     INFO - Failed to get child procs
[task 2020-05-27T04:40:33.089Z] 04:40:33     INFO - Killing process: 2977
[task 2020-05-27T04:40:33.089Z] 04:40:33     INFO - TEST-INFO | started process screencapture
[task 2020-05-27T04:40:33.199Z] 04:40:33     INFO - TEST-INFO | screencapture: exit 0
[task 2020-05-27T04:40:33.199Z] 04:40:33     INFO - Can't trigger Breakpad, process no longer exists
[task 2020-05-27T04:40:33.199Z] 04:40:33     INFO - Killing process: 2979
[task 2020-05-27T04:40:33.199Z] 04:40:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-05-27T04:40:33.200Z] 04:40:33     INFO - Can't trigger Breakpad, process no longer exists
[task 2020-05-27T04:40:33.200Z] 04:40:33     INFO - Killing process: 2981
[task 2020-05-27T04:40:33.200Z] 04:40:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-05-27T04:40:33.200Z] 04:40:33     INFO - Can't trigger Breakpad, process no longer exists
[task 2020-05-27T04:40:33.200Z] 04:40:33     INFO - Killing process: 2983
[task 2020-05-27T04:40:33.200Z] 04:40:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-05-27T04:40:33.201Z] 04:40:33     INFO - Can't trigger Breakpad, process no longer exists
[task 2020-05-27T04:40:33.201Z] 04:40:33     INFO - Killing process: 2985
[task 2020-05-27T04:40:33.201Z] 04:40:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-05-27T04:40:33.201Z] 04:40:33     INFO - Can't trigger Breakpad, process no longer exists
[task 2020-05-27T04:40:33.201Z] 04:40:33     INFO - Killing process: 2987
[task 2020-05-27T04:40:33.201Z] 04:40:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-05-27T04:40:33.201Z] 04:40:33     INFO - Can't trigger Breakpad, process no longer exists
[task 2020-05-27T04:40:33.202Z] 04:40:33     INFO - Killing process: 2995
[task 2020-05-27T04:40:33.202Z] 04:40:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-05-27T04:40:33.202Z] 04:40:33     INFO - Can't trigger Breakpad, process no longer exists
[task 2020-05-27T04:40:33.202Z] 04:40:33     INFO - Killing process: 2996
[task 2020-05-27T04:40:33.202Z] 04:40:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-05-27T04:40:33.202Z] 04:40:33     INFO - Killing process: 2997
[task 2020-05-27T04:40:33.203Z] 04:40:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-05-27T04:40:33.203Z] 04:40:33     INFO - Can't trigger Breakpad, process no longer exists
[task 2020-05-27T04:40:33.203Z] 04:40:33     INFO - Killing process: 2975
[task 2020-05-27T04:40:33.203Z] 04:40:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-05-27T04:40:33.797Z] 04:40:33     INFO - psutil found pid 2975 dead
[task 2020-05-27T04:57:13.904Z] 04:57:13     INFO - Automation Error: mozprocess timed out after 1000 seconds running ['/Users/cltbld/tasks/task_1590545782/build/venv/bin/python', '-u', '/Users/cltbld/tasks/task_1590545782/build/tests/mochitest/runtests.py', '--disable-e10s', u'browser/components/resistfingerprinting/test/chrome/chrome.ini', u'browser/components/shell/test/chrome.ini', u'devtools/client/accessibility/test/chrome/chrome.ini', u'devtools/client/memory/test/chrome/chrome.ini', u'devtools/client/shared/components/test/chrome/chrome.ini', u'devtools/client/webconsole/test/chrome/chrome.ini', u'devtools/server/socket/tests/chrome/chrome.ini', u'devtools/server/tests/chrome/chrome.ini', u'devtools/shared/qrcode/tests/chrome/chrome.ini', u'docshell/test/chrome/chrome.ini', u'dom/animation/test/chrome.ini', u'dom/base/test/chrome.ini', u'dom/base/test/chrome/chrome.ini', u'dom/base/test/jsmodules/chrome.ini', u'dom/battery/test/chrome.ini', u'dom/console/tests/chrome.ini', u'dom/events/test/chrome.ini', u'dom/flex/test/chrome.ini', u'dom/ipc/tests/chrome.ini', u'dom/l10n/tests/mochitest/chrome.ini', u'dom/messagechannel/tests/chrome.ini', u'dom/notification/test/chrome/chrome.ini', u'dom/plugins/test/mochitest/chrome.ini', u'dom/presentation/tests/mochitest/chrome.ini', u'dom/prototype/tests/chrome/chrome.ini', u'dom/security/test/general/chrome.ini', u'dom/system/tests/chrome.ini', u'dom/tests/mochitest/chrome/chrome.ini', u'dom/tests/mochitest/general/chrome.ini', u'dom/tests/mochitest/geolocation/chrome.ini', u'dom/tests/mochitest/localstorage/chrome.ini', u'dom/tests/mochitest/sessionstorage/chrome.ini', u'dom/url/tests/chrome.ini', u'dom/xul/test/chrome.ini', u'editor/composer/test/chrome.ini', u'editor/libeditor/tests/chrome.ini', u'extensions/spellcheck/tests/chrome/chrome.ini', u'gfx/layers/apz/test/mochitest/chrome.ini', u'image/test/mochitest/chrome.ini', u'layout/base/tests/chrome/chrome.ini', u'layout/forms/test/chrome.ini', u'layout/generic/test/chrome.ini', u'layout/mathml/tests/chrome.ini', u'layout/svg/tests/chrome.ini', u'testing/mochitest/baselinecoverage/chrome/chrome.ini', u'toolkit/components/certviewer/tests/chrome/chrome.ini', u'toolkit/components/ctypes/tests/chrome/chrome.ini', u'toolkit/components/extensions/test/mochitest/chrome.ini', u'toolkit/components/prompts/test/chrome.ini', u'toolkit/components/resistfingerprinting/tests/chrome.ini', u'toolkit/components/viewsource/test/chrome.ini', u'toolkit/content/tests/widgets/chrome.ini', u'tools/profiler/tests/chrome/chrome.ini', u'widget/tests/chrome.ini', u'xpfe/appshell/test/chrome.ini', '--setpref=media.peerconnection.mtransport_process=false', '--setpref=network.process.enabled=false', '--appname=/Users/cltbld/tasks/task_1590545782/build/application/Firefox NightlyDebug.app/Contents/MacOS/firefox', '--utility-path=tests/bin', '--extra-profile-file=tests/bin/plugins', '--symbols-path=/Users/cltbld/tasks/task_1590545782/build/symbols', '--certificate-path=tests/certs', '--quiet', '--log-raw=/Users/cltbld/tasks/task_1590545782/build/blobber_upload_dir/mochitest-chrome_raw.log', '--log-errorsummary=/Users/cltbld/tasks/task_1590545782/build/blobber_upload_dir/mochitest-chrome_errorsummary.log', '--screenshot-on-fail', '--cleanup-crashes', '--marionette-startup-timeout=180', '--sandbox-read-whitelist=/Users/cltbld/tasks/task_1590545782/build', '--log-raw=-', '--flavor=chrome', '--chunk-by-dir=4', '--disable-e10s']
[task 2020-05-27T04:57:14.104Z] 04:57:14    ERROR - timed out after 1000 seconds of no output
[task 2020-05-27T04:57:14.104Z] 04:57:14    ERROR - Return code: -15
[task 2020-05-27T04:57:14.105Z] 04:57:14    ERROR - No suite end message was emitted by this harness.
[task 2020-05-27T04:57:14.105Z] 04:57:14     INFO - TinderboxPrint: mochitest-mochitest-chrome<br/>56/0/0
[task 2020-05-27T04:57:14.105Z] 04:57:14    ERROR - # TBPL FAILURE #
[task 2020-05-27T04:57:14.105Z] 04:57:14  WARNING - setting return code to 2
[task 2020-05-27T04:57:14.105Z] 04:57:14    ERROR - The mochitest suite: mochitest-chrome ran with return status: FAILURE