Bug: Intermittent browser/components/uitour/test/browser_UITour_sync.js | single tracking bug
Status: REOPENED
Priority: P5
Created: 2023-01-08 20:50:57+00:00
Resolved: 2025-03-03 06:15:11+00:00

**Filed by:** imoraru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=401721768&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/EfVmQnSMS6WYTo8Mz4a_cQ/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2023-01-08T19:42:46.560Z] 19:42:46     INFO - TEST-PASS | browser/components/uitour/test/browser_UITour_sync.js | Menu button should know that the menu is closed - 
[task 2023-01-08T19:42:46.560Z] 19:42:46     INFO - Done shared checks
[task 2023-01-08T19:42:46.561Z] 19:42:46     INFO - Leaving test bound test_firefoxAccountsWithEmailAndEntrypoints
[task 2023-01-08T19:42:46.561Z] 19:42:46     INFO - Entering test bound test_firefoxAccountsNonAlphaValue
[task 2023-01-08T19:42:46.562Z] 19:42:46     INFO - Console message: [JavaScript Warning: "Unknown category for SetEventRecordingEnabled: page_load"]
[task 2023-01-08T19:42:46.562Z] 19:42:46     INFO - Buffered messages logged at 19:42:46
[task 2023-01-08T19:42:46.563Z] 19:42:46     INFO - Console message: [JavaScript Warning: "Unknown category for SetEventRecordingEnabled: page_load"]
[task 2023-01-08T19:42:46.563Z] 19:42:46     INFO - Load https://accounts.firefox.com
[task 2023-01-08T19:42:46.564Z] 19:42:46     INFO - Buffered messages finished
[task 2023-01-08T19:42:46.565Z] 19:42:46     INFO - TEST-UNEXPECTED-FAIL | browser/components/uitour/test/browser_UITour_sync.js | Uncaught exception in test - at resource://testing-common/StructuredLog.sys.mjs:215 - Error: Encountered unsupported value type writing stack-scoped structured clone
[task 2023-01-08T19:42:46.566Z] 19:42:46     INFO - Stack trace:
[task 2023-01-08T19:42:46.566Z] 19:42:46     INFO - logData@resource://testing-common/StructuredLog.sys.mjs:215:24
[task 2023-01-08T19:42:46.566Z] 19:42:46     INFO - testStatus@resource://testing-common/StructuredLog.sys.mjs:67:10
[task 2023-01-08T19:42:46.566Z] 19:42:46     INFO - addResult@chrome://mochikit/content/browser-harness.xhtml:148:38
[task 2023-01-08T19:42:46.566Z] 19:42:46     INFO - test_record@chrome://mochikit/content/browser-test.js:1465:13
[task 2023-01-08T19:42:46.566Z] 19:42:46     INFO - test_ok@chrome://mochikit/content/browser-test.js:1449:12
[task 2023-01-08T19:42:46.566Z] 19:42:46     INFO - add_UITour_task/genFun/</</</funcPromise<@chrome://mochitests/content/browser/browser/components/uitour/test/head.js:525:17
[task 2023-01-08T19:42:46.567Z] 19:42:46     INFO - Leaving test bound test_firefoxAccountsNonAlphaValue
[task 2023-01-08T19:42:46.568Z] 19:42:46     INFO - Entering test bound test_firefoxAccountsNonObject
[task 2023-01-08T19:42:46.568Z] 19:42:46     INFO - GECKO(2384) | [Parent 1684, Main Thread] WARNING: 'aOwner->IsDiscarded()', file /builds/worker/workspace/obj-build/dist/include/mozilla/dom/SyncedContextInlines.h:95
[task 2023-01-08T19:42:46.569Z] 19:42:46     INFO - GECKO(2384) | [Child 5784: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 28a0aa36400 == 1 [pid = 5784] [id = 0]
[task 2023-01-08T19:42:46.570Z] 19:42:46     INFO - GECKO(2384) | [Child 5784: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (28a05988da0) [pid = 5784] [serial = 1] [outer = 0]
[task 2023-01-08T19:42:46.571Z] 19:42:46     INFO - GECKO(2384) | [Child 5784: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (28a0aa3a400) [pid = 5784] [serial = 2] [outer = 28a05988da0]
[task 2023-01-08T19:42:46.571Z] 19:42:46     INFO - Console message: [JavaScript Warning: "Script terminated by timeout at:
[task 2023-01-08T19:42:46.571Z] 19:42:46     INFO - _sendEvent@https://example.org/browser/browser/components/uitour/test/UITour-lib.js:42:3
[task 2023-01-08T19:42:46.571Z] 19:42:46     INFO - Mozilla.UITour.showFirefoxAccounts@https://example.org/browser/browser/components/uitour/test/UITour-lib.js:621:15
[task 2023-01-08T19:42:46.571Z] 19:42:46     INFO - " {file: "https://example.org/browser/browser/components/uitour/test/UITour-lib.js" line: 42}]
[task 2023-01-08T19:42:46.572Z] 19:42:46     INFO - GECKO(2384) | JavaScript error: resource://devtools/client/jsonview/Sniffer.sys.mjs, line 50: NS_ERROR_NOT_AVAILABLE: Component returned failure code: 0x80040111 (NS_ERROR_NOT_AVAILABLE) [nsIChannel.contentType]
[task 2023-01-08T19:42:46.573Z] 19:42:46     INFO - GECKO(2384) | [Parent 1684, Main Thread] WARNING: 'aOwner->IsDiscarded()', file /builds/worker/workspace/obj-build/dist/include/mozilla/dom/SyncedContextInlines.h:95
[task 2023-01-08T19:42:46.574Z] 19:42:46     INFO - Console message: [JavaScript Error: "NS_ERROR_NOT_AVAILABLE: Component returned failure code: 0x80040111 (NS_ERROR_NOT_AVAILABLE) [nsIChannel.contentType]" {file: "resource://devtools/client/jsonview/Sniffer.sys.mjs" line: 50}]
[task 2023-01-08T19:42:46.574Z] 19:42:46     INFO - getMIMETypeFromContent@resource://devtools/client/jsonview/Sniffer.sys.mjs:50:13
[task 2023-01-08T19:42:46.574Z] 19:42:46     INFO - 
[task 2023-01-08T19:42:46.574Z] 19:42:46     INFO - GECKO(2384) | [Child 7964, Main Thread] WARNING: IPC message 'PContent::Msg_CleanupPendingLoadState' discarded: actor cannot send: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:504
[task 2023-01-08T19:42:46.575Z] 19:42:46     INFO - GECKO(2384) | [Child 5784: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (28a0aa3d800) [pid = 5784] [serial = 3] [outer = 28a05988da0]
[task 2023-01-08T19:42:46.576Z] 19:42:46     INFO - GECKO(2384) | [Child 7964: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 2369aa3bc00 == 0 [pid = 7964] [id = 0] [url = https://example.org/browser/browser/components/uitour/test/uitour.html]
[task 2023-01-08T19:42:46.576Z] 19:42:46     INFO - GECKO(2384) | [Child 7964: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (2369aa41400) [pid = 7964] [serial = 3] [outer = 0] [url = https://example.org/browser/browser/components/uitour/test/uitour.html]
[task 2023-01-08T19:42:46.577Z] 19:42:46     INFO - GECKO(2384) | [Child 7964: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (23695988da0) [pid = 7964] [serial = 1] [outer = 0] [url = https://example.org/browser/browser/components/uitour/test/uitour.html]
[task 2023-01-08T19:42:46.578Z] 19:42:46     INFO - GECKO(2384) | [Child 7964: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (2369aa3f000) [pid = 7964] [serial = 2] [outer = 0] [url = about:blank]
[task 2023-01-08T19:42:46.578Z] 19:42:46     INFO - GECKO(2384) | [Child 7964, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3384
[task 2023-01-08T19:42:46.579Z] 19:42:46     INFO - GECKO(2384) | [Child 7964, Main Thread] WARNING: NS_ENSURE_TRUE(InitStaticMembers()) failed: file /builds/worker/workspace/obj-build/dist/include/mozilla/Preferences.h:129
[task 2023-01-08T19:42:46.580Z] 19:42:46     INFO - GECKO(2384) | [Child 7964, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4663
[task 2023-01-08T19:42:46.615Z] 19:42:46     INFO - Console message: [JavaScript Warning: "Unknown category for SetEventRecordingEnabled: page_load"]
[task 2023-01-08T19:42:46.656Z] 19:42:46     INFO - GECKO(2384) | [Parent 1684, Main Thread] WARNING: Not resolving response 'PContent::Reply_GetModulesTrust': actor is dead: file /builds/worker/checkouts/gecko/ipc/glue/ProtocolUtils.cpp:792
[task 2023-01-08T19:42:46.686Z] 19:42:46     INFO - GECKO(2384) | must wait for focus in content
[task 2023-01-08T19:42:46.726Z] 19:42:46     INFO - GECKO(2384) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to C:\Users\task_167320486660584\AppData\Local\Temp\tmp2jd4w4fg.mozrunner\runtests_leaks_tab_pid2868.log
[task 2023-01-08T19:42:46.729Z] 19:42:46     INFO - GECKO(2384) | [2868, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp:339
[task 2023-01-08T19:42:46.899Z] 19:42:46     INFO - GECKO(2384) | [Parent 1684: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (1dc36423800) [pid = 1684] [serial = 21] [outer = 0] [url = chrome://global/content/resetProfile.xhtml]
[task 2023-01-08T19:42:50.116Z] 19:42:50     INFO - TEST-PASS | browser/components/uitour/test/browser_UITour_sync.js | No FxA tab opened - 
[task 2023-01-08T19:42:50.117Z] 19:42:50     INFO - == Done test, doing shared checks before teardown ==
[task 2023-01-08T19:42:50.146Z] 19:42:50     INFO - TEST-PASS | browser/components/uitour/test/browser_UITour_sync.js | Element should not be null, when checking visibility -
```