Bug: Intermittent TV browser/base/content/test/about/browser_aboutNewTab_bookmarksToolbar.js | Uncaught exception - Toolbar should be visible on newtab if enabled - timed out after 50 tries.
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-11-10 11:24:04+00:00
Resolved: 2021-11-09 17:05:31+00:00

**Filed by:** btara [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=321267341&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Mo9_KuCzSPGTkePFKDO6WA/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/Mo9_KuCzSPGTkePFKDO6WA/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2020-11-10T04:57:23.911Z] 04:57:23     INFO - TEST-START | browser/base/content/test/about/browser_aboutNewTab_bookmarksToolbar.js
[task 2020-11-10T04:57:24.084Z] 04:57:24     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 000002D15686DC00 == 7 [pid = 5852] [id = 10]
[task 2020-11-10T04:57:24.084Z] 04:57:24     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 20 (000002D154DCD3C0) [pid = 5852] [serial = 31] [outer = 0000000000000000]
[task 2020-11-10T04:57:24.084Z] 04:57:24     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 21 (000002D156BB8800) [pid = 5852] [serial = 32] [outer = 000002D154DCD3C0]
[task 2020-11-10T04:57:24.123Z] 04:57:24     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 22 (000002D159454800) [pid = 5852] [serial = 33] [outer = 000002D154DCD3C0]
[task 2020-11-10T04:57:24.427Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 20 (000001F6EBF61400) [pid = 1832] [serial = 3] [outer = 0000000000000000] [url = about:blank]
[task 2020-11-10T04:57:24.427Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 19 (000001F6EE1DA400) [pid = 1832] [serial = 13] [outer = 0000000000000000] [url = https://example.com/2]
[task 2020-11-10T04:57:24.427Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 18 (000001F6EBF65800) [pid = 1832] [serial = 21] [outer = 0000000000000000] [url = about:blank]
[task 2020-11-10T04:57:24.427Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 17 (000001F6EE12B400) [pid = 1832] [serial = 15] [outer = 0000000000000000] [url = about:blank]
[task 2020-11-10T04:57:24.427Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 16 (000001F6EBF68400) [pid = 1832] [serial = 4] [outer = 0000000000000000] [url = about:blank]
[task 2020-11-10T04:57:24.427Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 15 (000001F6EDE4CC00) [pid = 1832] [serial = 7] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-11-10T04:57:24.428Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (000001F6EE12E400) [pid = 1832] [serial = 16] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-11-10T04:57:24.428Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (000001F6EBBB2C00) [pid = 1832] [serial = 18] [outer = 0000000000000000] [url = about:blank]
[task 2020-11-10T04:57:24.428Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (000001F6EE130000) [pid = 1832] [serial = 24] [outer = 0000000000000000] [url = about:blank]
[task 2020-11-10T04:57:24.428Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (000001F6EE1D6800) [pid = 1832] [serial = 10] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-11-10T04:57:24.428Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001F6EBBA5800 == 2 [pid = 1832] [id = 8] [url = https://example.com/#foo]
[task 2020-11-10T04:57:24.428Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001F6EBF68800 == 1 [pid = 1832] [id = 7] [url = https://example.com/]
[task 2020-11-10T04:57:24.457Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (000001F6EDE09040) [pid = 1832] [serial = 17] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-11-10T04:57:24.457Z] 04:57:24     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (000001F6EDE09200) [pid = 1832] [serial = 20] [outer = 0000000000000000] [url = https://example.com/2]
[task 2020-11-10T04:57:25.227Z] 04:57:25     INFO - GECKO(3568) | [Child 3308: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (000001DACF168000) [pid = 3308] [serial = 3] [outer = 0000000000000000] [url = chrome://gfxsanity/content/sanitytest.html]
[task 2020-11-10T04:57:25.227Z] 04:57:25     INFO - GECKO(3568) | [Child 3308: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001DACF169000 == 0 [pid = 3308] [id = 1] [url = about:blank]
[task 2020-11-10T04:57:25.558Z] 04:57:25     INFO - GECKO(3568) | [Parent 1092: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001E5BBE39400 == 6 [pid = 1092] [id = 5] [url = about:blank]
[task 2020-11-10T04:57:25.558Z] 04:57:25     INFO - GECKO(3568) | [Parent 1092: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000001E5BBE32800 == 5 [pid = 1092] [id = 6] [url = about:blank]
[task 2020-11-10T04:57:25.862Z] 04:57:25     INFO - GECKO(3568) | [Child 3328: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (00000200BD21AC00) [pid = 3328] [serial = 10] [outer = 0000000000000000] [url = moz-extension://72b7879b-8aee-48cf-95c7-a8a011bae4c5/_generated_background_page.html]
[task 2020-11-10T04:57:25.862Z] 04:57:25     INFO - GECKO(3568) | [Parent 1092: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 15 (000001E5BDCF0580) [pid = 1092] [serial = 13] [outer = 0000000000000000] [url = about:blank]
[task 2020-11-10T04:57:25.862Z] 04:57:25     INFO - GECKO(3568) | [Parent 1092: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (000001E5BDCF03C0) [pid = 1092] [serial = 12] [outer = 0000000000000000] [url = about:blank]
[task 2020-11-10T04:57:25.862Z] 04:57:25     INFO - GECKO(3568) | [Parent 1092: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (000001E5AFEDD740) [pid = 1092] [serial = 1] [outer = 0000000000000000] [url = chrome://gfxsanity/content/sanityparent.html]
[task 2020-11-10T04:57:26.837Z] 04:57:26     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000002D156BBA800 == 6 [pid = 5852] [id = 9] [url = about:blank]
[task 2020-11-10T04:57:26.837Z] 04:57:26     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 21 (000002D15686EC00) [pid = 5852] [serial = 3] [outer = 0000000000000000] [url = about:newtab]
[task 2020-11-10T04:57:26.837Z] 04:57:26     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 20 (000002D15893EC00) [pid = 5852] [serial = 9] [outer = 0000000000000000] [url = about:newtab]
[task 2020-11-10T04:57:26.837Z] 04:57:26     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 19 (000002D159823800) [pid = 5852] [serial = 6] [outer = 0000000000000000] [url = about:newtab]
[task 2020-11-10T04:57:26.837Z] 04:57:26     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 18 (000002D1598D5C00) [pid = 5852] [serial = 12] [outer = 0000000000000000] [url = about:newtab]
[task 2020-11-10T04:57:27.079Z] 04:57:27     INFO - GECKO(3568) | [Child 3308: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (000001DACEDE8900) [pid = 3308] [serial = 4] [outer = 0000000000000000] [url = about:blank]
[task 2020-11-10T04:57:27.138Z] 04:57:27     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 17 (000002D15A88D740) [pid = 5852] [serial = 28] [outer = 0000000000000000] [url = about:blank]
[task 2020-11-10T04:57:27.138Z] 04:57:27     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000002D15686C800 == 5 [pid = 5852] [id = 4] [url = about:newtab]
[task 2020-11-10T04:57:27.138Z] 04:57:27     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 16 (000002D15A88D3C0) [pid = 5852] [serial = 22] [outer = 0000000000000000] [url = about:newtab]
[task 2020-11-10T04:57:27.138Z] 04:57:27     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000002D15686C400 == 4 [pid = 5852] [id = 7] [url = about:newtab]
[task 2020-11-10T04:57:27.138Z] 04:57:27     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 15 (000002D154DCDE40) [pid = 5852] [serial = 13] [outer = 0000000000000000] [url = about:newtab]
[task 2020-11-10T04:57:27.138Z] 04:57:27     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (000002D154DCDC80) [pid = 5852] [serial = 16] [outer = 0000000000000000] [url = about:newtab]
[task 2020-11-10T04:57:27.138Z] 04:57:27     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (000002D15A88D580) [pid = 5852] [serial = 19] [outer = 0000000000000000] [url = about:newtab]
[task 2020-11-10T04:57:27.138Z] 04:57:27     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000002D15C413000 == 3 [pid = 5852] [id = 6] [url = about:newtab]
[task 2020-11-10T04:57:27.138Z] 04:57:27     INFO - GECKO(3568) | [Child 5852: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 000002D159824800 == 2 [pid = 5852] [id = 5] [url = about:newtab]
[task 2020-11-10T04:57:27.349Z] 04:57:27     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (000001F6EE12C400) [pid = 1832] [serial = 19] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-11-10T04:57:27.349Z] 04:57:27     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (000001F6EE12EC00) [pid = 1832] [serial = 22] [outer = 0000000000000000] [url = https://example.com/2]
[task 2020-11-10T04:57:27.349Z] 04:57:27     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (000001F6EBBB2400) [pid = 1832] [serial = 27] [outer = 0000000000000000] [url = about:blank]
[task 2020-11-10T04:57:27.387Z] 04:57:27     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (000001F6EDE093C0) [pid = 1832] [serial = 23] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-11-10T04:57:27.387Z] 04:57:27     INFO - GECKO(3568) | [Child 1832: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (000001F6EBBD4580) [pid = 1832] [serial = 26] [outer = 0000000000000000] [url = https://example.com/]
[task 2020-11-10T04:57:29.597Z] 04:57:29     INFO - TEST-INFO | started process screenshot
[task 2020-11-10T04:57:29.657Z] 04:57:29     INFO - TEST-INFO | screenshot: exit 0
[task 2020-11-10T04:57:29.657Z] 04:57:29     INFO - Buffered messages logged at 04:57:23
[task 2020-11-10T04:57:29.657Z] 04:57:29     INFO - Entering test bound bookmarks_toolbar_shown_on_newtab
[task 2020-11-10T04:57:29.657Z] 04:57:29     INFO - Testing with the feature enabled
[task 2020-11-10T04:57:29.657Z] 04:57:29     INFO - Buffered messages finished
[task 2020-11-10T04:57:29.657Z] 04:57:29     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/about/browser_aboutNewTab_bookmarksToolbar.js | Uncaught exception - Toolbar should be visible on newtab if enabled - timed out after 50 tries.
[task 2020-11-10T04:57:29.657Z] 04:57:29     INFO - Leaving test bound bookmarks_toolbar_shown_on_newtab
...```