1971894 - Intermittent devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_serviceworker_start.js | single tracking bug

Status: NEW

(DevTools :: about:debugging, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: sstanca [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=512875475&repo=mozilla-beta
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Ywu3evBWSrGnMjLQD2LQwg/runs/0/artifacts/public/logs/live_backing.log

---

[task 2025-06-12T22:52:23.866Z] 22:52:23     INFO - TEST-PASS | devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_serviceworker_start.js | Found its start button - 
[task 2025-06-12T22:52:23.866Z] 22:52:23     INFO - Click on the start button and wait for the service worker to be running
[task 2025-06-12T22:52:23.867Z] 22:52:23     INFO - Buffered messages finished
[task 2025-06-12T22:52:23.867Z] 22:52:23     INFO - TEST-UNEXPECTED-FAIL | devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_serviceworker_start.js | Test timed out - 
[task 2025-06-12T22:52:23.867Z] 22:52:23     INFO - GECKO(1045) | Completed ShutdownLeaks collections in process 1045
[task 2025-06-12T22:52:23.867Z] 22:52:23     INFO - TEST-START | Shutdown
[task 2025-06-12T22:52:23.867Z] 22:52:23     INFO - Browser Chrome Test Summary
[task 2025-06-12T22:52:23.868Z] 22:52:23     INFO - Passed:  604
[task 2025-06-12T22:52:23.868Z] 22:52:23     INFO - Failed:  1
[task 2025-06-12T22:52:23.868Z] 22:52:23     INFO - Todo:    0
[task 2025-06-12T22:52:23.868Z] 22:52:23     INFO - Mode:    e10s
[task 2025-06-12T22:52:23.868Z] 22:52:23     INFO - *** End BrowserChrome Test Results ***
[task 2025-06-12T22:52:23.869Z] 22:52:23     INFO - GECKO(1045) | 1749768743560	Marionette	TRACE	Received observer notification quit-application
[task 2025-06-12T22:52:23.869Z] 22:52:23     INFO - GECKO(1045) | 1749768743561	Marionette	INFO	Stopped listening on port 2828
[task 2025-06-12T22:52:24.016Z] 22:52:24     INFO - GECKO(1045) | 1749768744015	Marionette	DEBUG	Marionette stopped listening
[task 2025-06-12T22:52:31.598Z] 22:52:31     INFO - TEST-INFO | Main app process: exit 0
[task 2025-06-12T22:52:31.599Z] 22:52:31     INFO - TEST-UNEXPECTED-FAIL | devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_serviceworker_start.js | Application shut down (without crashing) in the middle of a test!
[task 2025-06-12T22:52:31.599Z] 22:52:31     INFO - TEST-INFO took 127687ms

Comment 1

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-beta: 5
• mozilla-esr115: 1
• mozilla-central: 1
• autoland: 4

Table

	a11y_checks	http3	no_variant	socketprocess_networking
linux1804-x86_64/tsan			1
macosx1470-x86_64/debug			1
macosx1470-x86_64/opt			1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-06-09&endday=2025-06-15&tree=all

Comment 2

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-beta: 3
• try: 2
• autoland: 18
• mozilla-central: 3
• mozilla-release: 1

Table

	no_variant
linux1804-x86_64/tsan	1
macosx1470-x86_64/debug	17
macosx1470-x86_64/opt	9

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-06-16&endday=2025-06-22&tree=all

Comment 3

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-beta: 10
• try: 1
• autoland: 10
• mozilla-esr140: 1
• mozilla-central: 4

Table

	no_variant
macosx1470-x86_64/debug	14
macosx1470-x86_64/opt	12

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-06-23&endday=2025-06-29&tree=all

Comment 4

[Intermittent Failures Robot]

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

This failure happened more than 30 times this week! Resolving this bug is a high priority.

Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled.

Repository breakdown:

• mozilla-release: 3
• mozilla-esr140: 7
• mozilla-esr115: 1
• autoland: 6
• mozilla-beta: 20
• mozilla-central: 3

Table

	no_variant
linux1804-x86_64/tsan	4/126
macosx1015-x86_64/debug	1
macosx1470-x86_64/debug	16/54
macosx1470-x86_64/opt	19

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-06-30&endday=2025-07-06&tree=all

Comment 5

[Julian Descottes [:jdescottes]]

Attachment: Bug 1971894 - [devtools] Trigger worker updates in browser_aboutdebugging_serviceworker_start.js

Comment 6

[Intermittent Failures Robot]

33 failures were associated with this bug in the last 7 days.
This is the #45 most frequent failure this week.

This failure happened more than 30 times this week! Resolving this bug is a high priority.

Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled.

Repository breakdown:

• mozilla-esr140: 2
• mozilla-beta: 7
• mozilla-central: 3
• autoland: 15
• try: 5
• mozilla-release: 1

Table

	no_variant
linux1804-x86_64/tsan	2/74
macosx1470-x86_64/debug	19/56
macosx1470-x86_64/opt	12/20

• 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=1971894&startday=2025-07-14&endday=2025-07-20&tree=all

Comment 7

[Intermittent Failures Robot]

16 failures were associated with this bug yesterday.

Repository breakdown:

• mozilla-esr140: 8
• mozilla-beta: 1
• autoland: 6
• mozilla-central: 1

Table

	no_variant
linux1804-x86_64/tsan	4
macosx1470-x86_64/debug	11
macosx1470-x86_64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-07-23&endday=2025-07-23&tree=all

Comment 8

[Intermittent Failures Robot]

55 failures were associated with this bug in the last 7 days.
This is the #41 most frequent failure this week.

This failure happened more than 30 times this week! Resolving this bug is a high priority.

Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled.

Repository breakdown:

• mozilla-esr115: 1
• mozilla-esr140: 17
• mozilla-central: 8
• autoland: 20
• mozilla-beta: 8
• try: 1

Table

	http3	no_variant
linux1804-x86_64/debug	1
linux1804-x86_64/tsan		7/77
macosx1470-x86_64/debug		38/55
macosx1470-x86_64/opt		9/18

• 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=1971894&startday=2025-07-21&endday=2025-07-27&tree=all

Comment 9

[Intermittent Failures Robot]

44 failures were associated with this bug in the last 7 days.
This is the #41 most frequent failure this week.

This failure happened more than 30 times this week! Resolving this bug is a high priority.

Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled.

Repository breakdown:

• mozilla-esr140: 4
• autoland: 15
• mozilla-beta: 22
• try: 2
• mozilla-central: 1

Table

	no_variant
linux1804-x86_64/tsan	1/85
macosx1470-x86_64/debug	31/53
macosx1470-x86_64/opt	12/14

• 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=1971894&startday=2025-07-28&endday=2025-08-03&tree=all

Comment 10

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-08-11&endday=2025-08-17&tree=all

Comment 11

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 2

Table

	no_variant
linux1804-x86_64/tsan	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-08-18&endday=2025-08-24&tree=all

Comment 12

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 2

Table

	no_variant
linux1804-x86_64/tsan	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-08-25&endday=2025-08-31&tree=all

Comment 13

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 5

Table

	no_variant
linux1804-x86_64/tsan	5

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-09-01&endday=2025-09-07&tree=all

Comment 14

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-09-08&endday=2025-09-14&tree=all

Comment 15

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 2

Table

	no_variant
linux1804-x86_64/tsan	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-09-15&endday=2025-09-21&tree=all

Comment 16

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 3

Table

	no_variant
linux1804-x86_64/tsan	2
macosx1470-x86_64/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-09-22&endday=2025-09-28&tree=all

Comment 17

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr115: 1
• mozilla-esr140: 4

Table

	http3	no_variant
linux1804-x86_64/debug	1
linux1804-x86_64/tsan		4

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-09-29&endday=2025-10-05&tree=all

Comment 18

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr115: 1

Table

	no_variant
macosx1015-x86_64/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-10-13&endday=2025-10-19&tree=all

Comment 19

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-10-20&endday=2025-10-26&tree=all

Comment 20

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 3

Table

	no_variant
linux1804-x86_64/tsan	2
macosx1470-x86_64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-10-27&endday=2025-11-02&tree=all

Comment 21

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 3

Table

	no_variant
linux1804-x86_64/tsan	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-11-03&endday=2025-11-09&tree=all

Comment 22

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 6

Table

	no_variant
linux1804-x86_64/tsan	6

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-11-10&endday=2025-11-16&tree=all

Comment 23

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 1

Table

	no_variant
linux1804-x86_64/tsan	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-11-17&endday=2025-11-23&tree=all

Comment 24

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr115: 1
• mozilla-esr140: 2

Table

	http3	no_variant
linux1804-x86_64/debug	1
linux1804-x86_64/tsan		2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-11-24&endday=2025-11-30&tree=all

Comment 25

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 3

Table

	no_variant
linux1804-x86_64/tsan	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-12-08&endday=2025-12-14&tree=all

Comment 26

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 3

Table

	no_variant
linux1804-x86_64/tsan	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-12-15&endday=2025-12-21&tree=all

Comment 27

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-esr140: 1
• try: 1

Table

	no_variant
linux1804-x86_64/tsan	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1971894&startday=2025-12-22&endday=2025-12-28&tree=all