Bug: Intermittent browser/modules/test/browser/browser_BrowserWindowTracker.js | single tracking bug
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2023-06-13 12:37:26+00:00
Resolved: 2024-12-16 12:05:04+00:00

**Filed by:** csabou [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=419108155&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/VyYCd6fCSmyn8TLkZB625g/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2023-06-13T11:49:45.798Z] 11:49:45     INFO - Buffered messages finished
[task 2023-06-13T11:49:45.798Z] 11:49:45    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/modules/test/browser/browser_BrowserWindowTracker.js | application timed out after 370 seconds with no output
[task 2023-06-13T11:49:45.799Z] 11:49:45  WARNING - Force-terminating active process(es).
[task 2023-06-13T11:49:45.799Z] 11:49:45     INFO - Determining child pids from psutil...
[task 2023-06-13T11:49:45.799Z] 11:49:45     INFO - [3130, 3131, 3132, 3133, 3134, 3135, 3136, 3137, 3138, 3139, 3140, 3141, 3142]
[task 2023-06-13T11:49:45.800Z] 11:49:45     INFO - ==> process 3129 launched child process 3130
[task 2023-06-13T11:49:45.800Z] 11:49:45     INFO - ==> process 3129 launched child process 3131
[task 2023-06-13T11:49:45.800Z] 11:49:45     INFO - ==> process 3129 launched child process 3132
[task 2023-06-13T11:49:45.801Z] 11:49:45     INFO - ==> process 3129 launched child process 3133
[task 2023-06-13T11:49:45.801Z] 11:49:45     INFO - ==> process 3129 launched child process 3134
[task 2023-06-13T11:49:45.801Z] 11:49:45     INFO - ==> process 3129 launched child process 3135
[task 2023-06-13T11:49:45.802Z] 11:49:45     INFO - ==> process 3129 launched child process 3136
[task 2023-06-13T11:49:45.802Z] 11:49:45     INFO - ==> process 3129 launched child process 3137
[task 2023-06-13T11:49:45.802Z] 11:49:45     INFO - ==> process 3129 launched child process 3138
[task 2023-06-13T11:49:45.803Z] 11:49:45     INFO - ==> process 3129 launched child process 3139
[task 2023-06-13T11:49:45.803Z] 11:49:45     INFO - ==> process 3129 launched child process 3140
[task 2023-06-13T11:49:45.803Z] 11:49:45     INFO - ==> process 3129 launched child process 3141
[task 2023-06-13T11:49:45.804Z] 11:49:45     INFO - ==> process 3129 launched child process 3142
[task 2023-06-13T11:49:45.804Z] 11:49:45     INFO - Found child pids: {3136, 3137, 3138, 3139, 3140, 3141, 3142, 3130, 3131, 3132, 3133, 3134, 3135}
[task 2023-06-13T11:49:45.804Z] 11:49:45     INFO - Killing process: 3136
[task 2023-06-13T11:49:45.805Z] 11:49:45     INFO - TEST-INFO | started process screencapture
[task 2023-06-13T11:49:45.906Z] 11:49:45     INFO - TEST-INFO | screencapture: exit 0

task 2023-06-13T11:50:15.916Z] 11:50:15  WARNING - failed to kill pid 3135 after 30s
[task 2023-06-13T11:50:15.916Z] 11:50:15  WARNING - failed to kill pid 3139 after 30s
[task 2023-06-13T11:50:15.916Z] 11:50:15  WARNING - failed to kill pid 3138 after 30s
[task 2023-06-13T11:50:15.917Z] 11:50:15  WARNING - failed to kill pid 3142 after 30s
[task 2023-06-13T11:50:15.917Z] 11:50:15     INFO - Killing process: 3129
[task 2023-06-13T11:50:15.917Z] 11:50:15     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-06-13T11:50:46.060Z] 11:50:46  WARNING - failed to kill pid 3129 after 30s
[task 2023-06-13T12:07:26.187Z] 12:07:26     INFO - Automation Error: mozprocess timed out after 1000 seconds running ['/opt/worker/tasks/task_168665502782092/build/venv/bin/python', '-u', '/opt/worker/tasks/task_168665502782092/build/tests/mochitest/runtests.py', 'browser/base/content/test/backforward/browser.ini', 'browser/base/content/test/contextMenu/browser.ini', 'browser/base/content/test/outOfProcess/browser.ini', 'browser/base/content/test/performance/io/browser.ini', 'browser/base/content/test/sanitize/browser.ini', 'browser/base/content/test/siteIdentity/browser.ini', 'browser/base/content/test/webextensions/browser.ini', 'browser/components/urlbar/tests/browser/browser.ini', 'browser/components/urlbar/tests/engagementTelemetry/browser/browser.ini', 'browser/modules/test/browser/browser.ini', 'dom/base/test/browser.ini', 'toolkit/components/nimbus/test/browser/browser.ini', '--setpref=layout.css.stylo-threads=4', '--setpref=network.process.enabled=true', '--setpref=network.http.network_access_on_socket_process.enabled=true', '--setpref=layers.d3d11.enable-blacklist=false', '--appname=/opt/worker/tasks/task_168665502782092/build/application/Firefox Nightly.app/Contents/MacOS/firefox', '--utility-path=tests/bin', '--extra-profile-file=tests/bin/plugins', '--symbols-path=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Yoxa5Kc4T5qeXBRJpd6v-Q/artifacts/public/build/target.crashreporter-symbols.zip', '--certificate-path=tests/certs', '--quiet', '--log-errorsummary=/opt/worker/tasks/task_168665502782092/build/blobber_upload_dir/mochitest-browser-chrome_errorsummary.log', '--screenshot-on-fail', '--cleanup-crashes', '--marionette-startup-timeout=180', '--sandbox-read-whitelist=/opt/worker/tasks/task_168665502782092/build', '--log-raw=-', '--flavor=browser', '--chunk-by-runtime']
[task 2023-06-13T12:07:26.187Z] 12:07:26    ERROR - timed out after 1000 seconds of no output
[task 2023-06-13T12:07:26.187Z] 12:07:26     INFO - Return code: -15
[task 2023-06-13T12:07:26.188Z] 12:07:26    ERROR - No suite end message was emitted by this harness.
```