1863617 - Intermittent devtools/client/debugger/test/mochitest/browser_dbg-merge-scopes.js | single tracking bug

Status: RESOLVED INCOMPLETE

(DevTools :: Debugger, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: smolnar [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=435326355&repo=mozilla-beta
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Qnv1HFInR0mXDCUJvRQaaQ/runs/0/artifacts/public/logs/live_backing.log

---

TEST-START | devtools/client/debugger/test/mochitest/browser_dbg-merge-scopes.js
[task 2023-11-07T19:59:36.797Z] 19:59:36     INFO - GECKO(2679) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /tmp/tmpwif_bwct.mozrunner/runtests_leaks_tab_pid3754.log
[task 2023-11-07T19:59:36.832Z] 19:59:36     INFO - GECKO(2679) | [Child 3754, Main Thread] WARNING: could not set real-time limit in CubebUtils::InitLibrary: file /builds/worker/checkouts/gecko/dom/media/CubebUtils.cpp:658
[task 2023-11-07T19:59:37.220Z] 19:59:37     INFO - GECKO(2679) | [Child 3754: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7f364d837400 == 1 [pid = 3754] [id = 0]
[task 2023-11-07T19:59:37.222Z] 19:59:37     INFO - GECKO(2679) | [Child 3754: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (7f364d87d020) [pid = 3754] [serial = 1] [outer = 0]
[task 2023-11-07T19:59:37.228Z] 19:59:37     INFO - GECKO(2679) | [Child 3754: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (7f364d838c00) [pid = 3754] [serial = 2] [outer = 7f364d87d020]
[task 2023-11-07T19:59:37.903Z] 19:59:37     INFO - GECKO(2679) | [Child 2898: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (7f49e3c3a000) [pid = 2898] [serial = 10] [outer = 0] [url = about:blank]
[task 2023-11-07T19:59:39.196Z] 19:59:39     INFO - GECKO(2679) | [Parent 2679, IndexedDB #7] WARNING: QM_TRY failure (WARNING): 'ToResult(!madeProgress) failed with resultCode 0x80004005, resultName NS_ERROR_FAILURE', file dom/indexedDB/ActorsParent.cpp:7020
[task 2023-11-07T19:59:39.198Z] 19:59:39     INFO - GECKO(2679) | [Parent 2679, IndexedDB #7] WARNING: QM_TRY failure (WARNING): 'ToResult(!madeProgress) failed with resultCode 0x80004005, resultName NS_ERROR_FAILURE', file dom/indexedDB/ActorsParent.cpp:7020
[task 2023-11-07T19:59:39.313Z] 19:59:39     INFO - GECKO(2679) | [Parent 2679: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f6b897db800 == 5 [pid = 2679] [id = 33] [url = about:devtools-toolbox]
[task 2023-11-07T19:59:44.540Z] 19:59:44     INFO - GECKO(2679) | [Child 2813: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fda2ce25400 == 0 [pid = 2813] [id = 5] [url = about:blank]
[task 2023-11-07T19:59:45.472Z] 19:59:45     INFO - GECKO(2679) | [Parent 2679, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp:302
[task 2023-11-07T19:59:45.473Z] 19:59:45     INFO - GECKO(2679) | [Parent 2679, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp:302
[task 2023-11-07T19:59:45.474Z] 19:59:45     INFO - GECKO(2679) | [Parent 2679, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp:302
[task 2023-11-07T19:59:45.475Z] 19:59:45     INFO - GECKO(2679) | [Parent 2679, Main Thread] WARNING: NS_ENSURE_TRUE(!mHasOrHasHadOwnerWindow || mOwnerWindow) failed: file /builds/worker/checkouts/gecko/dom/events/DOMEventTargetHelper.cpp:302
[task 2023-11-07T19:59:45.477Z] 19:59:45     INFO - GECKO(2679) | [Parent 2679: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 17 (7f6b96d2c2e0) [pid = 2679] [serial = 82] [outer = 0] [url = about:devtools-toolbox]
[task 2023-11-07T19:59:45.478Z] 19:59:45     INFO - GECKO(2679) | [Parent 2679: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 16 (7f6b97daea60) [pid = 2679] [serial = 87] [outer = 0] [url = chrome://devtools/content/webconsole/index.html]
[task 2023-11-07T19:59:45.479Z] 19:59:45     INFO - GECKO(2679) | [Parent 2679: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 15 (7f6b96d2b980) [pid = 2679] [serial = 85] [outer = 0] [url = chrome://devtools/content/debugger/index.html]
[task 2023-11-07T19:59:48.898Z] 19:59:48     INFO - GECKO(2679) | [Parent 2679: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (7f6b897e7800) [pid = 2679] [serial = 84] [outer = 0] [url = about:devtools-toolbox]
[task 2023-11-07T19:59:48.902Z] 19:59:48     INFO - GECKO(2679) | [Parent 2679: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (7f6b8d426000) [pid = 2679] [serial = 88] [outer = 0] [url = about:blank]
[task 2023-11-07T19:59:48.903Z] 19:59:48     INFO - GECKO(2679) | [Parent 2679: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (7f6b8d42b800) [pid = 2679] [serial = 56] [outer = 0] [url = about:devtools-toolbox]
[task 2023-11-07T19:59:48.904Z] 19:59:48     INFO - GECKO(2679) | [Parent 2679: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (7f6b8f23d000) [pid = 2679] [serial = 86] [outer = 0] [url = about:blank]
[task 2023-11-07T19:59:48.904Z] 19:59:48     INFO - GECKO(2679) | [Parent 2679: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (7f6b8f339c00) [pid = 2679] [serial = 60] [outer = 0] [url = about:blank]
[task 2023-11-07T19:59:48.997Z] 19:59:48     INFO - GECKO(2679) | [Child 2813: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (7fda2ce92020) [pid = 2813] [serial = 13] [outer = 0] [url = about:blank]
[task 2023-11-07T19:59:53.062Z] 19:59:53     INFO - GECKO(2679) | [Child 2813: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (7fda2ce25800) [pid = 2813] [serial = 14] [outer = 0] [url = about:blank]
[task 2023-11-07T20:01:06.644Z] 20:01:06     INFO - TEST-INFO | started process screentopng
[task 2023-11-07T20:01:07.093Z] 20:01:07     INFO - TEST-INFO | screentopng: exit 0
[task 2023-11-07T20:01:07.094Z] 20:01:07     INFO - Buffered messages logged at 19:59:36
[task 2023-11-07T20:01:07.094Z] 20:01:07     INFO - Entering test bound 
[task 2023-11-07T20:01:07.095Z] 20:01:07     INFO - Adding a new tab with URL: https://example.com/browser/devtools/client/debugger/test/mochitest/examples/doc-merge-scopes.html
[task 2023-11-07T20:01:07.095Z] 20:01:07     INFO - Buffered messages finished
[task 2023-11-07T20:01:07.096Z] 20:01:07     INFO - TEST-UNEXPECTED-FAIL | devtools/client/debugger/test/mochitest/browser_dbg-merge-scopes.js | Test timed out - 
[task 2023-11-07T20:01:07.097Z] 20:01:07     INFO - Removing tab.
[task 2023-11-07T20:01:07.098Z] 20:01:07     INFO - Waiting for event: 'TabClose' on [object XULElement].
[task 2023-11-07T20:01:07.099Z] 20:01:07     INFO - Got event: 'TabClose' on [object XULElement].
[task 2023-11-07T20:01:07.100Z] 20:01:07     INFO - Tab removed and finished closing
[task 2023-11-07T20:01:07.101Z] 20:01:07     INFO - TEST-PASS | devtools/client/debugger/test/mochitest/browser_dbg-merge-scopes.js | The main process DevToolsServer has no pending connection when the test ends

Comment 1

[Intermittent Failures Robot]

2 failures in 3288 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 1
• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 2
  • debug: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2023-11-06&endday=2023-11-12&tree=all

Comment 2

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

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

Comment 3

[Treeherder Bug Filer]

New failure instance: https://treeherder.mozilla.org/logviewer?job_id=440794922&repo=autoland

Comment 4

[Intermittent Failures Robot]

1 failures in 3349 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2023-12-18&endday=2023-12-24&tree=all

Comment 5

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

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

Comment 6

[Treeherder Bug Filer]

New failure instance: https://treeherder.mozilla.org/logviewer?job_id=444317158&repo=mozilla-beta

Comment 7

[Intermittent Failures Robot]

2 failures in 4034 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 1
• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 2
  • debug: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-01-22&endday=2024-01-28&tree=all

Comment 8

[Intermittent Failures Robot]

3 failures in 4009 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2
• mozilla-central: 1

Platform and build breakdown:

• windows11-64-2009-shippable-qr: 1
  • opt: 1
• linux1804-64-qr: 2
  • debug: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-02-05&endday=2024-02-11&tree=all

Comment 10

[Intermittent Failures Robot]

1 failures in 4052 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-02-26&endday=2024-03-03&tree=all

Comment 11

[Intermittent Failures Robot]

1 failures in 4198 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-03-04&endday=2024-03-10&tree=all

Comment 12

[Intermittent Failures Robot]

1 failures in 3791 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-03-18&endday=2024-03-24&tree=all

Comment 13

[Intermittent Failures Robot]

4 failures in 3590 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 1
• mozilla-central: 2
• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 4
  • debug: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-03-25&endday=2024-03-31&tree=all

Comment 14

[Intermittent Failures Robot]

1 failures in 3805 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-04-01&endday=2024-04-07&tree=all

Comment 15

[Intermittent Failures Robot]

2 failures in 4252 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1
• windows11-64-2009-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-04-15&endday=2024-04-21&tree=all

Comment 16

[Intermittent Failures Robot]

2 failures in 4059 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform and build breakdown:

• linux1804-64-qr: 2
  • debug: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-04-29&endday=2024-05-05&tree=all

Comment 17

[Intermittent Failures Robot]

1 failures in 3995 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-05-20&endday=2024-05-26&tree=all

Comment 18

[Intermittent Failures Robot]

1 failures in 4577 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-06-17&endday=2024-06-23&tree=all

Comment 19

[Intermittent Failures Robot]

1 failures in 4116 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-06-24&endday=2024-06-30&tree=all

Comment 20

[Intermittent Failures Robot]

1 failures in 3780 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-07-08&endday=2024-07-14&tree=all

Comment 21

[Intermittent Failures Robot]

1 failures in 4124 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-esr128: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-07-22&endday=2024-07-28&tree=all

Comment 22

[Intermittent Failures Robot]

1 failures in 3218 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-08-19&endday=2024-08-25&tree=all

Comment 23

[Intermittent Failures Robot]

2 failures in 3668 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 1
• mozilla-esr128: 1

Platform and build breakdown:

• linux1804-64-qr: 2
  • debug: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-09-02&endday=2024-09-08&tree=all

Comment 24

[Intermittent Failures Robot]

1 failures in 4448 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-esr128: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2024-09-09&endday=2024-09-15&tree=all

Comment 25

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

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

Comment 26

[Intermittent Failures Robot]

Summary

1 failures in 4009 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • debug: 1

Table

	http3
linux1804-64-qr--/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2025-03-03&endday=2025-03-09&tree=all

Comment 27

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Table

	a11y_checks	http3	no_variant	socketprocess_networking
linux2404-x86_64/debug		1/57

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2025-06-30&endday=2025-07-06&tree=all

Comment 28

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Table

	a11y_checks	http3	no_variant	socketprocess_networking
linux2404-x86_64/debug		1/75

• x/y indicates test failures and total runs; only x means number of runs is unknown.

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2025-07-14&endday=2025-07-20&tree=all

Comment 29

[Intermittent Failures Robot]

2 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1
• autoland: 1

Table

	a11y_checks	http3	no_variant	socketprocess_networking
linux2404-x86_64/debug		1/65
windows11-x86_64/asan			1/57

• x/y indicates test failures and total runs; only x means number of runs is unknown.

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2025-07-21&endday=2025-07-27&tree=all

Comment 30

[Treeherder Bug Filer]

New failure instance: https://treeherder.mozilla.org/logviewer?job_id=520054538&repo=mozilla-beta

Comment 31

[Intermittent Failures Robot]

4 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-release: 1
• mozilla-central: 1
• mozilla-beta: 1
• autoland: 1

Table

	a11y_checks	http3	no_variant	socketprocess_networking
linux2404-x86_64/debug		4/59

• x/y indicates test failures and total runs; only x means number of runs is unknown.

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2025-07-28&endday=2025-08-03&tree=all

Comment 32

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

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

Comment 33

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Table

	a11y_checks	http3	no_variant	socketprocess_networking
linux2404-x86_64/debug		1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2025-09-08&endday=2025-09-14&tree=all

Comment 34

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 1

Table

	a11y_checks	http3	no_variant	socketprocess_networking
linux2404-x86_64/debug		1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2025-09-29&endday=2025-10-05&tree=all

Comment 35

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Table

	a11y_checks	http3	no_variant	socketprocess_networking
linux2404-x86_64/tsan			1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1863617&startday=2025-11-03&endday=2025-11-09&tree=all