Bug: Intermittent browser/components/preferences/tests/browser_warning_permanent_private_browsing.js | Test timed out -
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2022-07-09 01:59:41+00:00
Resolved: 2022-07-27 18:37:21+00:00

**Filed by:** nbeleuzu [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=383806103&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/RJJ_ypX4QpCcuztLAzHDPw/runs/0/artifacts/public/logs/live_backing.log

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```
[task 2022-07-09T00:16:09.205Z] 00:16:09     INFO - TEST-START | browser/components/preferences/tests/browser_warning_permanent_private_browsing.js
[task 2022-07-09T00:16:09.901Z] 00:16:09     INFO - GECKO(5580) | JavaScript error: , line 0: uncaught exception: out of memory
[task 2022-07-09T00:16:09.901Z] 00:16:09     INFO - GECKO(5580) | JavaScript error: , line 0: uncaught exception: out of memory
[task 2022-07-09T00:16:54.215Z] 00:16:54     INFO - TEST-INFO | started process screenshot
[task 2022-07-09T00:16:54.277Z] 00:16:54     INFO - TEST-INFO | screenshot: exit 0
[task 2022-07-09T00:16:54.278Z] 00:16:54     INFO - Buffered messages logged at 00:16:09
[task 2022-07-09T00:16:54.279Z] 00:16:54     INFO - Entering test bound 
[task 2022-07-09T00:16:54.279Z] 00:16:54     INFO - Console message: [JavaScript Error: "out of memory"]
[task 2022-07-09T00:16:54.280Z] 00:16:54     INFO - Console message: [JavaScript Error: "uncaught exception: out of memory"]
[task 2022-07-09T00:16:54.281Z] 00:16:54     INFO - Console message: [JavaScript Error: "uncaught exception: out of memory"]
[task 2022-07-09T00:16:54.281Z] 00:16:54     INFO - Buffered messages finished
[task 2022-07-09T00:16:54.282Z] 00:16:54     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_warning_permanent_private_browsing.js | Test timed out - 
[task 2022-07-09T00:16:54.282Z] 00:16:54     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-07-09T00:16:54.283Z] 00:16:54     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_warning_permanent_private_browsing.js | Uncaught exception received from previously timed out test - sync-pane-loaded observer not removed before the end of test
[task 2022-07-09T00:16:54.284Z] 00:16:54     INFO - Entering test bound 
[task 2022-07-09T00:16:54.284Z] 00:16:54     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-07-09T00:16:54.286Z] 00:16:54     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_warning_permanent_private_browsing.js | A promise chain failed to handle a rejection: out of memory - stack: (No stack available.)
[task 2022-07-09T00:16:54.286Z] 00:16:54     INFO - Rejection date: Sat Jul 09 2022 00:16:09 GMT+0000 (Coordinated Universal Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 271
[task 2022-07-09T00:16:54.286Z] 00:16:54     INFO - Stack trace:
[task 2022-07-09T00:16:54.286Z] 00:16:54     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:271
[task 2022-07-09T00:16:54.286Z] 00:16:54     INFO - chrome://mochikit/content/browser-test.js:nextTest:625
[task 2022-07-09T00:16:54.286Z] 00:16:54     INFO - chrome://mochikit/content/browser-test.js:timeoutFn:1289
[task 2022-07-09T00:16:54.287Z] 00:16:54     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-07-09T00:16:54.289Z] 00:16:54     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_warning_permanent_private_browsing.js | A promise chain failed to handle a rejection: out of memory - stack: (No stack available.)
[task 2022-07-09T00:16:54.289Z] 00:16:54     INFO - Rejection date: Sat Jul 09 2022 00:16:09 GMT+0000 (Coordinated Universal Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 271
[task 2022-07-09T00:16:54.289Z] 00:16:54     INFO - Stack trace:
[task 2022-07-09T00:16:54.289Z] 00:16:54     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:271
[task 2022-07-09T00:16:54.289Z] 00:16:54     INFO - chrome://mochikit/content/browser-test.js:nextTest:625
[task 2022-07-09T00:16:54.289Z] 00:16:54     INFO - chrome://mochikit/content/browser-test.js:timeoutFn:1289
[task 2022-07-09T00:16:54.290Z] 00:16:54     INFO - TEST-PASS | browser/components/preferences/tests/browser_warning_permanent_private_browsing.js | Expect custom history mode - 
[task 2022-07-09T00:16:54.291Z] 00:16:54     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-07-09T00:16:54.292Z] 00:16:54     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_warning_permanent_private_browsing.js | Expect a prompt when turning permanent private browsing off! - 
[task 2022-07-09T00:16:54.292Z] 00:16:54     INFO - Stack trace:
[task 2022-07-09T00:16:54.292Z] 00:16:54     INFO - chrome://mochikit/content/browser-test.js:test_ok:1401
[task 2022-07-09T00:16:54.292Z] 00:16:54     INFO - chrome://mochitests/content/browser/browser/components/preferences/tests/browser_warning_permanent_private_browsing.js:checkForPrompt/<:38
[task 2022-07-09T00:16:54.295Z] 00:16:54     INFO - Leaving test bound 
[task 2022-07-09T00:16:54.337Z] 00:16:54     INFO - GECKO(5580) | MEMORY STAT | vsize 1875MB | vsizeMaxContiguous 18MB | residentFast 934MB | heapAllocated 647MB
[task 2022-07-09T00:16:54.338Z] 00:16:54     INFO - TEST-OK | browser/components/preferences/tests/browser_warning_permanent_private_browsing.js | took 45128ms
[task 2022-07-09T00:16:54.339Z] 00:16:54     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-07-09T00:16:54.340Z] 00:16:54     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_warning_permanent_private_browsing.js | Found a tab after previous test timed out: about:blank - 
[task 2022-07-09T00:16:54.360Z] 00:16:54     INFO - checking window state
[task 2022-07-09T00:16:54.393Z] 00:16:54     INFO - GECKO(5580) | Completed ShutdownLeaks collections in process 4432
```