Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/base/content/test/permissions/browser_canvas_fingerprinting_resistance.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-11-21 00:19:44+00:00
Resolved: 2021-04-13 17:02:06+00:00

**Filed by:** csabou [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=322479448&repo=mozilla-beta
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/UvdSKyzPS-KPv24tjGtrHg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2020-11-20T22:39:41.945Z] 22:39:41     INFO - TEST-PASS | browser/base/content/test/permissions/browser_canvas_fingerprinting_resistance.js | privacy.resistFingerprinting = true and randomDataOnCanvasExtract = true, requesting permission, canvas data != placeholderdata - "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAA2ElEQVR4nO3QsWlCAQAA0Q+2ggvYfxzCCRwljWUanSBWDqCdewRtRIKtgwiCjWM8CFe/5rhh9bPdrJ9fi/P1NV7G/ffsb3I/7SbH6e0wX75/H//dBx2gvQE6QHsDdID2BugA7Q3QAdoboAO0N0AHaG+ADtDeAB2gvQE6QHsDdID2BugA7Q3QAdoboAO0N0AHaG+ADtDeAB2gvQE6QHsDdID2BugA7Q3QAdoboAO0N0AHaG+ADtDeAB2gvQE6QHsDdID2BugA7Q3QAdoboAO0N0AHaG+ADtD+AV20ueHhwqPqAAAAAElFTkSuQmCC" != "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAAkklEQVR4nO3QQREAAAiAMPuX1hh7yBJwzD43OkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAK0BOkBrgA7QGqADtAboAO0ARtDDsqXe37wAAAAASUVORK5CYII=" - 
[task 2020-11-20T22:39:41.945Z] 22:39:41     INFO - Console message: [JavaScript Warning: "Blocked https://example.com/ from extracting canvas data, but prompting the user." {file: "https://example.com/" line: 0}]
[task 2020-11-20T22:39:41.945Z] 22:39:41     INFO - Buffered messages finished
[task 2020-11-20T22:39:41.946Z] 22:39:41    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/base/content/test/permissions/browser_canvas_fingerprinting_resistance.js | application timed out after 370 seconds with no output
[task 2020-11-20T22:39:41.946Z] 22:39:41    ERROR - Force-terminating active process(es).
[task 2020-11-20T22:39:41.947Z] 22:39:41     INFO - Determining child pids from psutil...
[task 2020-11-20T22:39:41.947Z] 22:39:41     INFO - [8908]
[task 2020-11-20T22:39:41.948Z] 22:39:41     INFO - ==> process 8908 launched child process 7252 ("Z:\task_1605910692\build\application\firefox\firefox.exe" -contentproc --channel="8908.0.1643658488\1107590515" -parentBuildID 20201120210750 -prefsHandle 2220 -prefMapHandle 2212 -prefsLen 1 -prefMapSize 243403 -appdir "Z:\task_1605910692\build\application\firefox\browser" - 8908  gpu)
[task 2020-11-20T22:39:41.948Z] 22:39:41     INFO - ==> process 8908 launched child process 6068 ("Z:\task_1605910692\build\application\firefox\firefox.exe" -contentproc --channel="8908.6.2100412794\2094352659" -childID 1 -isForBrowser -prefsHandle 2744 -prefMapHandle 1900 -prefsLen 1500 -prefMapSize 243403 -parentBuildID 20201120210750 -appdir "Z:\task_1605910692\build\application\firefox\browser" - 8908  tab)
[task 2020-11-20T22:39:41.948Z] 22:39:41     INFO - ==> process 8908 launched child process 5416 ("Z:\task_1605910692\build\application\firefox\firefox.exe" -contentproc --channel="8908.13.1740718497\1517647205" -childID 2 -isForBrowser -prefsHandle 5304 -prefMapHandle 5300 -prefsLen 1975 -prefMapSize 243403 -parentBuildID 20201120210750 -appdir "Z:\task_1605910692\build\application\firefox\browser" - 8908  tab)
[task 2020-11-20T22:39:41.948Z] 22:39:41     INFO - ==> process 8908 launched child process 6808 ("Z:\task_1605910692\build\application\firefox\firefox.exe" -contentproc --channel="8908.20.599186824\1945490339" -childID 3 -isForBrowser -prefsHandle 5520 -prefMapHandle 5512 -prefsLen 2015 -prefMapSize 243403 -parentBuildID 20201120210750 -appdir "Z:\task_1605910692\build\application\firefox\browser" - 8908  tab)
[task 2020-11-20T22:39:41.949Z] 22:39:41     INFO - ==> process 8908 launched child process 5392 ("Z:\task_1605910692\build\application\firefox\firefox.exe" -contentproc --channel="8908.27.604053429\279673304" -childID 4 -isForBrowser -prefsHandle 5304 -prefMapHandle 4496 -prefsLen 10707 -prefMapSize 243403 -parentBuildID 20201120210750 -appdir "Z:\task_1605910692\build\application\firefox\browser" - 8908  tab)
[task 2020-11-20T22:39:41.949Z] 22:39:41     INFO - ==> process 8908 launched child process 5928 ("Z:\task_1605910692\build\application\firefox\firefox.exe" -contentproc --channel="8908.34.935629361\429672812" -childID 5 -isForBrowser -prefsHandle 2680 -prefMapHandle 3960 -prefsLen 11677 -prefMapSize 243403 -parentBuildID 20201120210750 -appdir "Z:\task_1605910692\build\application\firefox\browser" - 8908  tab)
[task 2020-11-20T22:39:41.949Z] 22:39:41     INFO - ==> process 8908 launched child process 10428 ("Z:\task_1605910692\build\application\firefox\firefox.exe" -contentproc --channel="8908.41.798569311\1267030538" -childID 6 -isForBrowser -prefsHandle 3544 -prefMapHandle 5896 -prefsLen 11927 -prefMapSize 243403 -parentBuildID 20201120210750 -appdir "Z:\task_1605910692\build\application\firefox\browser" - 8908  tab)
[task 2020-11-20T22:39:41.949Z] 22:39:41     INFO - Found child pids: set([5416, 8908, 5392, 5928, 7252, 6808, 6068, 10428])
[task 2020-11-20T22:39:41.949Z] 22:39:41     INFO - Killing process: 5416
[task 2020-11-20T22:39:41.949Z] 22:39:41     INFO - TEST-INFO | started process screenshot
[task 2020-11-20T22:39:42.181Z] 22:39:42     INFO - TEST-INFO | screenshot: exit 0```