1727847 - Intermittent browser/components/newtab/test/browser/browser_aboutwelcome_observer.js | leaked 2 window(s) until shutdown [url = about:blank]

Status: RESOLVED INCOMPLETE

(Firefox :: New Tab Page, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: malexandru [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=349717439&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fMSmFmjPQc6g9dcHibbg0A/runs/0/artifacts/public/logs/live_backing.log

---

[task 2021-08-26T22:21:27.461Z] 22:21:27     INFO - GECKO(6408) | [GPU 1792, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4438
[task 2021-08-26T22:21:28.196Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (2a152070000) [pid = 2152] [serial = 4] [outer = 0] [url = about:blank]
[task 2021-08-26T22:21:28.200Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (2a1455d1e40) [pid = 2152] [serial = 3] [outer = 0] [url = chrome://browser/content/browser.xhtml]
[task 2021-08-26T22:21:28.201Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 7 (2a15c290740) [pid = 2152] [serial = 12] [outer = 0] [url = chrome://mochikit/content/browser-harness.xhtml]
[task 2021-08-26T22:21:28.202Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 6 (2a15a862c00) [pid = 2152] [serial = 13] [outer = 0] [url = about:blank]
[task 2021-08-26T22:21:28.202Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 5 (2a1559e6200) [pid = 2152] [serial = 5] [outer = 0] [url = chrome://extensions/content/dummy.xhtml]
[task 2021-08-26T22:21:28.203Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 4 (2a157ccac00) [pid = 2152] [serial = 6] [outer = 0] [url = chrome://extensions/content/dummy.xhtml]
[task 2021-08-26T22:21:28.204Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (2a153db3200) [pid = 2152] [serial = 9] [outer = 0] [url = resource://gre-resources/hiddenWindow.html]
[task 2021-08-26T22:21:28.204Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (2a145543000) [pid = 2152] [serial = 44] [outer = 0] [url = about:blank]
[task 2021-08-26T22:21:28.204Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (2a15741a040) [pid = 2152] [serial = 7] [outer = 0] [url = about:blank]
[task 2021-08-26T22:21:28.207Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (2a1580f1c00) [pid = 2152] [serial = 11] [outer = 0] [url = resource://gre-resources/hiddenWindow.html]
[task 2021-08-26T22:21:28.219Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152, Main Thread] WARNING: Extra shutdown CC: 'i < NORMAL_SHUTDOWN_COLLECTIONS', file /builds/worker/checkouts/gecko/xpcom/base/nsCycleCollector.cpp:3357
[task 2021-08-26T22:21:28.278Z] 22:21:28     INFO - GECKO(6408) | [Parent 2152, Main Thread] WARNING: NS_ENSURE_TRUE(Preferences::InitStaticMembers()) failed: file /builds/worker/checkouts/gecko/modules/libpref/Preferences.cpp:4438
[task 2021-08-26T22:21:28.343Z] 22:21:28     INFO - TEST-INFO | Main app process: exit 0
[task 2021-08-26T22:21:28.344Z] 22:21:28     INFO - TEST-INFO | Confirming we saw 197 DOCSHELL created and 197 destroyed log strings.
[task 2021-08-26T22:21:28.344Z] 22:21:28     INFO - TEST-INFO | Confirming we saw 538 DOMWINDOW created and 538 destroyed log strings.
[task 2021-08-26T22:21:28.345Z] 22:21:28    ERROR - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_aboutwelcome_observer.js | leaked 2 window(s) until shutdown [url = about:blank]
[task 2021-08-26T22:21:28.346Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_observer.js | windows(s) leaked: [pid = 7164] [serial = 2], [pid = 7164] [serial = 1]
[task 2021-08-26T22:21:28.346Z] 22:21:28    ERROR - TEST-UNEXPECTED-FAIL | browser/components/newtab/test/browser/browser_aboutwelcome_observer.js | leaked 1 docShell(s) until shutdown
[task 2021-08-26T22:21:28.347Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_observer.js | docShell(s) leaked: [pid = 7164] [id = 0]
[task 2021-08-26T22:21:28.347Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_observer.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.347Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_observer.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.348Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_attribution.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.348Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_attribution.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.349Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_focus.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.349Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_focus.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.350Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_default.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.350Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_default.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.351Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_experimentAPI.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.351Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_experimentAPI.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.352Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_primary.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.352Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_multistage_primary.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.352Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_rtamo.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.353Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_aboutwelcome_rtamo.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.353Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_as_load_location.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.354Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_as_load_location.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.354Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_as_render.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.355Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_as_render.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.355Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_cfr.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.356Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_cfr.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.356Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_infobar.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.356Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_infobar.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.357Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_snippets.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.357Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_snippets.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.358Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_snippets_dismiss.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.358Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_snippets_dismiss.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.359Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_targeting.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.359Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_targeting.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.359Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_toolbarbadge.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.360Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_asrouter_toolbarbadge.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.360Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_context_menu_item.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.361Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_context_menu_item.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.361Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_customize_menu_content.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.361Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_customize_menu_content.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.362Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_customize_menu_render.js | This test created 1 hidden window(s)
[task 2021-08-26T22:21:28.362Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_customize_menu_render.js | This test created 1 hidden docshell(s)
[task 2021-08-26T22:21:28.363Z] 22:21:28     INFO - TEST-INFO | browser/components/newtab/test/browser/browser_discovery_card.js | This test created 1 hidden window(s)

Comment 1

[Intermittent Failures Robot]

1 failures in 2580 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform and build breakdown:

• windows10-64-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2021-08-23&endday=2021-08-29&tree=all

Comment 2

[Intermittent Failures Robot]

1 failures in 3084 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• windows10-64-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2021-08-30&endday=2021-09-05&tree=all

Comment 3

[Intermittent Failures Robot]

1 failures in 3063 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• windows10-64-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2022-02-28&endday=2022-03-06&tree=all

Comment 4

[Intermittent Failures Robot]

1 failures in 3341 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• windows10-64-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2022-03-21&endday=2022-03-27&tree=all

Comment 5

[Intermittent Failures Robot]

1 failures in 3159 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• windows10-32-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2022-04-18&endday=2022-04-24&tree=all

Comment 6

[Intermittent Failures Robot]

1 failures in 2694 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• windows10-32-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2022-05-16&endday=2022-05-22&tree=all

Comment 7

[Intermittent Failures Robot]

1 failures in 2624 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform and build breakdown:

• windows10-64-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2022-05-23&endday=2022-05-29&tree=all

Comment 8

[Intermittent Failures Robot]

1 failures in 3336 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform and build breakdown:

• windows10-64-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2022-06-06&endday=2022-06-12&tree=all

Comment 9

[Intermittent Failures Robot]

5 failures in 3170 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 3
• autoland: 2

Platform and build breakdown:

• windows10-64-2004-qr: 4
  • debug: 4
• windows10-32-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2022-06-13&endday=2022-06-19&tree=all

Comment 10

[Intermittent Failures Robot]

1 failures in 3312 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform and build breakdown:

• windows10-64-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2022-06-27&endday=2022-07-03&tree=all

Comment 11

[Intermittent Failures Robot]

1 failures in 3341 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• windows10-32-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2022-07-11&endday=2022-07-17&tree=all

Comment 12

[Intermittent Failures Robot]

1 failures in 3497 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• windows10-64-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2022-07-18&endday=2022-07-24&tree=all

Comment 13

[Intermittent Failures Robot]

1 failures in 3245 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• windows10-64-2004-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1727847&startday=2022-07-25&endday=2022-07-31&tree=all

Comment 14

[BugBot [:suhaib / :marco/ :calixte]]

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit BugBot documentation.