Bug: Intermittent [TV] TEST-UNEXPECTED-TIMEOUT | browser/base/content/test/sync/browser_sync.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-03-24 18:54:32+00:00
Resolved: 2021-06-15 17:02:43+00:00

**Filed by:** cbrindusan [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=334307376&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XBc3GpHKRvO5hn_KdPFHBQ/runs/0/artifacts/public/logs/live_backing.log
**Reftest URL:** https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XBc3GpHKRvO5hn_KdPFHBQ/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2021-03-24T17:39:27.886Z] 17:39:27     INFO - TEST-START | browser/base/content/test/sync/browser_sync.js
[task 2021-03-24T17:39:27.906Z] 17:39:27     INFO - GECKO(3055) | [Child 3231, Main Thread] WARNING: could not set real-time limit in CubebUtils::InitLibrary: file /builds/worker/checkouts/gecko/dom/media/CubebUtils.cpp:619
[task 2021-03-24T17:39:28.068Z] 17:39:28     INFO - GECKO(3055) | [Child 3231: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7f03d878ec00 == 1 [pid = 3231] [id = 0]
[task 2021-03-24T17:39:28.068Z] 17:39:28     INFO - GECKO(3055) | [Child 3231: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (7f03eee63200) [pid = 3231] [serial = 1] [outer = 0]
[task 2021-03-24T17:39:28.068Z] 17:39:28     INFO - GECKO(3055) | [Child 3231: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (7f03d8790800) [pid = 3231] [serial = 2] [outer = 7f03eee63200]
[task 2021-03-24T17:39:28.284Z] 17:39:28     INFO - GECKO(3055) | console.info: Skipping device list refresh; not signed in
[task 2021-03-24T17:39:28.293Z] 17:39:28     INFO - GECKO(3055) | console.info: Skipping device list refresh; not signed in
[task 2021-03-24T17:39:28.309Z] 17:39:28     INFO - GECKO(3055) | console.info: Skipping device list refresh; not signed in
[task 2021-03-24T17:39:28.309Z] 17:39:28     INFO - GECKO(3055) | console.info: Skipping device list refresh; not signed in
[task 2021-03-24T17:39:28.324Z] 17:39:28     INFO - GECKO(3055) | console.info: Skipping device list refresh; not signed in
[task 2021-03-24T17:39:28.344Z] 17:39:28     INFO - GECKO(3055) | [Child 3199, Main Thread] WARNING: Scrolled rect smaller than scrollport?: file /builds/worker/checkouts/gecko/layout/generic/nsGfxScrollFrame.cpp:7065
[task 2021-03-24T17:39:28.485Z] 17:39:28     INFO - GECKO(3055) | [Parent 3055, Main Thread] WARNING: '!mPresContext', file /builds/worker/checkouts/gecko/dom/events/UIEvent.cpp:138
[task 2021-03-24T17:39:28.493Z] 17:39:28     INFO - GECKO(3055) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /tmp/tmpXtf8OP.mozrunner/runtests_leaks_tab_pid3251.log
[task 2021-03-24T17:39:28.493Z] 17:39:28     INFO - GECKO(3055) | [3251, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp:254
[task 2021-03-24T17:39:28.594Z] 17:39:28     INFO - GECKO(3055) | [Child 3251, Main Thread] WARNING: could not set real-time limit in CubebUtils::InitLibrary: file /builds/worker/checkouts/gecko/dom/media/CubebUtils.cpp:619
[task 2021-03-24T17:39:32.260Z] 17:39:32     INFO - GECKO(3055) | [Child 3116: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f3cf30ac000 == 0 [pid = 3116] [id = 0] [url = about:blank]
[task 2021-03-24T17:39:36.332Z] 17:39:36     INFO - GECKO(3055) | [Child 3116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (7f3cf30adc00) [pid = 3116] [serial = 2] [outer = 0] [url = about:blank]
[task 2021-03-24T17:39:36.368Z] 17:39:36     INFO - GECKO(3055) | [Child 3116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (7f3d09863c80) [pid = 3116] [serial = 1] [outer = 0] [url = about:blank]
[task 2021-03-24T17:39:37.221Z] 17:39:37     INFO - GECKO(3055) | [Child 3138: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (7fa588e9f800) [pid = 3138] [serial = 2] [outer = 0] [url = about:blank]
[task 2021-03-24T17:39:37.222Z] 17:39:37     INFO - GECKO(3055) | [Child 3138: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (7fa588ea2c00) [pid = 3138] [serial = 4] [outer = 0] [url = about:blank]
[task 2021-03-24T17:39:37.222Z] 17:39:37     INFO - GECKO(3055) | [Child 3138: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (7fa588ea4c00) [pid = 3138] [serial = 6] [outer = 0] [url = about:blank]
[task 2021-03-24T17:39:37.222Z] 17:39:37     INFO - GECKO(3055) | [Child 3138: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (7fa588ea6c00) [pid = 3138] [serial = 8] [outer = 0] [url = about:blank]
[task 2021-03-24T17:39:37.223Z] 17:39:37     INFO - GECKO(3055) | [Child 3138: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (7fa588f85c00) [pid = 3138] [serial = 10] [outer = 0] [url = about:blank]
[task 2021-03-24T17:39:37.310Z] 17:39:37     INFO - GECKO(3055) | [Child 3138: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fa588ea3c00 == 4 [pid = 3138] [id = 2] [url = moz-extension://5de0b35f-0621-4097-ace3-4f641552f1ce/_generated_background_page.html]
[task 2021-03-24T17:39:37.310Z] 17:39:37     INFO - GECKO(3055) | [Child 3138: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (7fa582d1fac0) [pid = 3138] [serial = 5] [outer = 0] [url = moz-extension://5de0b35f-0621-4097-ace3-4f641552f1ce/_generated_background_page.html]
[task 2021-03-24T17:39:39.068Z] 17:39:39     INFO - GECKO(3055) | [Child 3199: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (7f6f6358cc00) [pid = 3199] [serial = 2] [outer = 0] [url = about:blank]
[task 2021-03-24T17:39:40.372Z] 17:39:40     INFO - GECKO(3055) | [Child 3116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (7f3cecfc1800) [pid = 3116] [serial = 4] [outer = 0] [url = about:blank]
[task 2021-03-24T17:39:40.373Z] 17:39:40     INFO - GECKO(3055) | [Child 3116: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (7f3cf30b5400) [pid = 3116] [serial = 3] [outer = 0] [url = about:blank]
[task 2021-03-24T17:39:41.296Z] 17:39:41     INFO - GECKO(3055) | [Child 3138: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (7fa58237c400) [pid = 3138] [serial = 13] [outer = 0] [url = moz-extension://5de0b35f-0621-4097-ace3-4f641552f1ce/_generated_background_page.html]
[task 2021-03-24T17:45:51.316Z] 17:45:51     INFO - Buffered messages logged at 17:39:28
[task 2021-03-24T17:45:51.317Z] 17:45:51     INFO - Entering test bound setup
[task 2021-03-24T17:45:51.318Z] 17:45:51     INFO - Leaving test bound setup
[task 2021-03-24T17:45:51.319Z] 17:45:51     INFO - Entering test bound test_ui_state_notification_calls_updateAllUI
[task 2021-03-24T17:45:51.320Z] 17:45:51     INFO - TEST-PASS | browser/base/content/test/sync/browser_sync.js | undefined assertion name - 
[task 2021-03-24T17:45:51.321Z] 17:45:51     INFO - Leaving test bound test_ui_state_notification_calls_updateAllUI
[task 2021-03-24T17:45:51.322Z] 17:45:51     INFO - Entering test bound test_navBar_button_visibility
[task 2021-03-24T17:45:51.323Z] 17:45:51     INFO - proton enabled: false[task 2021-03-24T17:45:51.324Z] 17:45:51     INFO - TEST-PASS | browser/base/content/test/sync/browser_sync.js | button is in the #nav-bar - 
[task 2021-03-24T17:45:51.325Z] 17:45:51     INFO - TEST-PASS | browser/base/content/test/sync/browser_sync.js | Check button visibility with STATUS_NOT_CONFIGURED - 
[task 2021-03-24T17:45:51.326Z] 17:45:51     INFO - TEST-PASS | browser/base/content/test/sync/browser_sync.js | Check button visibility with STATUS_NOT_VERIFIED - 
[task 2021-03-24T17:45:51.327Z] 17:45:51     INFO - TEST-PASS | browser/base/content/test/sync/browser_sync.js | Check button visibility with STATUS_LOGIN_FAILED - 
[task 2021-03-24T17:45:51.330Z] 17:45:51     INFO - TEST-PASS | browser/base/content/test/sync/browser_sync.js | Check button visibility with STATUS_SIGNED_IN - 
[task 2021-03-24T17:45:51.331Z] 17:45:51     INFO - TEST-PASS | browser/base/content/test/sync/browser_sync.js | Check button visibility when signed in, but sync disabled - 
[task 2021-03-24T17:45:51.332Z] 17:45:51     INFO - Leaving test bound test_navBar_button_visibility
[task 2021-03-24T17:45:51.333Z] 17:45:51     INFO - Entering test bound test_overflow_navBar_button_visibility
[task 2021-03-24T17:45:51.334Z] 17:45:51     INFO - proton enabled: false
[task 2021-03-24T17:45:51.335Z] 17:45:51     INFO - Console message: [JavaScript Error: "NotFoundError: No such JSWindowActor 'MarionetteEvents'"]
[task 2021-03-24T17:45:51.336Z] 17:45:51     INFO - TEST-PASS | browser/base/content/test/sync/browser_sync.js | Should have an overflowing toolbar. - 
[task 2021-03-24T17:45:51.337Z] 17:45:51     INFO - Buffered messages finished
[task 2021-03-24T17:45:51.340Z] 17:45:51    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/base/content/test/sync/browser_sync.js | application timed out after 370 seconds with no output```