Bug: Intermittent browser/components/preferences/tests/browser_subdialogs.js | Uncaught exception - out of memory
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-06-25 04:50:05+00:00
Resolved: 2022-08-16 17:02:39+00:00

**Filed by:** imoraru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=343822101&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/bB6FdlEWS-C5hutiPvXv3A/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-06-25T03:48:12.433Z] 03:48:12     INFO - TEST-START | browser/components/preferences/tests/browser_subdialogs.js
[task 2021-06-25T03:48:13.131Z] 03:48:13     INFO - TEST-INFO | started process screenshot
[task 2021-06-25T03:48:13.196Z] 03:48:13     INFO - TEST-INFO | screenshot: exit 0
[task 2021-06-25T03:48:13.196Z] 03:48:13     INFO - Buffered messages logged at 03:48:12
[task 2021-06-25T03:48:13.197Z] 03:48:13     INFO - Entering test bound test_initialize
[task 2021-06-25T03:48:13.197Z] 03:48:13     INFO - Leaving test bound test_initialize
[task 2021-06-25T03:48:13.198Z] 03:48:13     INFO - Entering test bound check_titlebar_focus_returnval_titlechanges_accepting
[task 2021-06-25T03:48:13.199Z] 03:48:13     INFO - waiting for subdialog DOMFrameContentLoaded
[task 2021-06-25T03:48:13.199Z] 03:48:13     INFO - waiting for subdialog load
[task 2021-06-25T03:48:13.200Z] 03:48:13     INFO - Buffered messages logged at 03:48:13
[task 2021-06-25T03:48:13.200Z] 03:48:13     INFO - subdialog window is loaded
[task 2021-06-25T03:48:13.201Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | The dialog should be non-null - true == true - 
[task 2021-06-25T03:48:13.202Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | Subdialog URL should not be about:blank - "chrome://mochitests/content/browser/browser/components/preferences/tests/subdialog.xhtml" != "about:blank" - 
[task 2021-06-25T03:48:13.203Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | Overlay should be visible - "visible" == "visible" - 
[task 2021-06-25T03:48:13.204Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | No stylesheets that were expected are missing - 0 == 0 - 
[task 2021-06-25T03:48:13.204Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | Title should be correct initially - "Sample sub-dialog" == "Sample sub-dialog" - 
[task 2021-06-25T03:48:13.205Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | Textbox with correct text is focused - "Default text" == "Default text" - 
[task 2021-06-25T03:48:13.206Z] 03:48:13     INFO - waiting for DOMTitleChanged event
[task 2021-06-25T03:48:13.206Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | subdialog should have updated title - "Updated title" == "Updated title" - 
[task 2021-06-25T03:48:13.207Z] 03:48:13     INFO - waiting for dialogclosing
[task 2021-06-25T03:48:13.208Z] 03:48:13     INFO - URI chrome://mochitests/content/browser/browser/components/preferences/tests/subdialog.xhtml
[task 2021-06-25T03:48:13.208Z] 03:48:13     INFO - Waiting for subdialog unload
[task 2021-06-25T03:48:13.209Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | overlay is not visible - "" != "visible" - 
[task 2021-06-25T03:48:13.210Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | inline styles should be cleared - "" == "" - 
[task 2021-06-25T03:48:13.210Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | closing event should indicate button was 'accept' - "accept" == "accept" - 
[task 2021-06-25T03:48:13.211Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | should be 1 if accepted, 0 if canceled, undefined if closed w/out button - 1 == 1 - 
[task 2021-06-25T03:48:13.212Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | dialog count should decrease by 1 - 0 == 0 - 
[task 2021-06-25T03:48:13.213Z] 03:48:13     INFO - TEST-PASS | browser/components/preferences/tests/browser_subdialogs.js | stack children count should decrease by 1 - 1 == 1 - 
[task 2021-06-25T03:48:13.213Z] 03:48:13     INFO - Leaving test bound check_titlebar_focus_returnval_titlechanges_accepting
[task 2021-06-25T03:48:13.214Z] 03:48:13     INFO - Entering test bound check_canceling_dialog
[task 2021-06-25T03:48:13.214Z] 03:48:13     INFO - Buffered messages finished
[task 2021-06-25T03:48:13.215Z] 03:48:13     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_subdialogs.js | Uncaught exception - out of memory
[task 2021-06-25T03:48:13.216Z] 03:48:13     INFO - Leaving test bound check_canceling_dialog
[task 2021-06-25T03:48:13.216Z] 03:48:13     INFO - Entering test bound check_reopening_dialog
[task 2021-06-25T03:48:13.217Z] 03:48:13     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-06-25T03:48:13.218Z] 03:48:13     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_subdialogs.js | Uncaught exception - out of memory
[task 2021-06-25T03:48:13.218Z] 03:48:13     INFO - Leaving test bound check_reopening_dialog
[task 2021-06-25T03:48:13.219Z] 03:48:13     INFO - Entering test bound check_opening_while_closing
[task 2021-06-25T03:48:13.219Z] 03:48:13     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-06-25T03:48:13.220Z] 03:48:13     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_subdialogs.js | Uncaught exception - out of memory
[task 2021-06-25T03:48:13.221Z] 03:48:13     INFO - Leaving test bound check_opening_while_closing
[task 2021-06-25T03:48:13.221Z] 03:48:13     INFO - Entering test bound window_close_on_dialog
[task 2021-06-25T03:48:13.222Z] 03:48:13     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-06-25T03:48:13.222Z] 03:48:13     INFO - TEST-UNEXPECTED-FAIL | browser/components/preferences/tests/browser_subdialogs.js | Uncaught exception - out of memory
...
```