1942489 - Intermittent toolkit/content/tests/browser/browser_isSynthetic.js | single tracking bug

Status: RESOLVED INCOMPLETE

(Firefox :: Tabbed Browser, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: agoloman [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=490789062&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Sd33I-GxSs23uhVpNtWT9Q/runs/0/artifacts/public/logs/live_backing.log

---

[task 2025-01-19T00:16:15.364Z] 00:16:15     INFO - TEST-PASS | toolkit/content/tests/browser/browser_isSynthetic.js | Should be synthetic - 
[task 2025-01-19T00:16:15.364Z] 00:16:15     INFO - Buffered messages finished
[task 2025-01-19T00:16:15.364Z] 00:16:15     INFO - TEST-UNEXPECTED-FAIL | toolkit/content/tests/browser/browser_isSynthetic.js | Test timed out - 
[task 2025-01-19T00:16:15.365Z] 00:16:15     INFO - GECKO(9596) | Completed ShutdownLeaks collections in process 9596
[task 2025-01-19T00:16:15.369Z] 00:16:15     INFO - TEST-START | Shutdown
[task 2025-01-19T00:16:15.370Z] 00:16:15     INFO - Browser Chrome Test Summary
[task 2025-01-19T00:16:15.370Z] 00:16:15     INFO - Passed:  560
[task 2025-01-19T00:16:15.370Z] 00:16:15     INFO - Failed:  1
[task 2025-01-19T00:16:15.373Z] 00:16:15     INFO - Todo:    5
[task 2025-01-19T00:16:15.373Z] 00:16:15     INFO - Mode:    e10s
[task 2025-01-19T00:16:15.373Z] 00:16:15     INFO - *** End BrowserChrome Test Results ***
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - GECKO(9596) | Exiting due to channel error.
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - GECKO(9596) | Exiting due to channel error.
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - GECKO(9596) | Exiting due to channel error.
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - GECKO(9596) | Exiting due to channel error.
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - GECKO(9596) | Exiting due to channel error.
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - GECKO(9596) | Exiting due to channel error.
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - GECKO(9596) | Exiting due to channel error.
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - GECKO(9596) | Exiting due to channel error.
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - GECKO(9596) | Exiting due to channel error.
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - TEST-INFO | Main app process: exit 0
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - TEST-UNEXPECTED-FAIL | toolkit/content/tests/browser/browser_isSynthetic.js | Application shut down (without crashing) in the middle of a test!
[task 2025-01-19T00:16:15.374Z] 00:16:15     INFO - TEST-INFO took 45224ms

Comment 1

[Intermittent Failures Robot]

Summary

1 failures in 4508 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
  • opt: 1

Table

	spi-nw
linux1804-64-qr/-/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-01-13&endday=2025-01-19&tree=all

Comment 2

[Intermittent Failures Robot]

Summary

7 failures in 4035 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 6
• try: 1

Platform and build breakdown:

• linux1804-64-devedition-qr: 2
  • opt: 2
• linux1804-64-qr: 4
  • opt: 4
• windows11-64-2009-qr: 1
  • opt: 1

Table

	msix	swr
linux1804-64-devedition-qr--/opt		2
linux1804-64-qr--/opt		4
windows11-64-2009-qr--/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-01-20&endday=2025-01-26&tree=all

Comment 3

[Intermittent Failures Robot]

Summary

1 failures in 4309 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-devedition-qr: 1
  • opt: 1

Table

	swr
linux1804-64-devedition-qr--/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-02-03&endday=2025-02-09&tree=all

Comment 4

[Intermittent Failures Robot]

Summary

1 failures in 5022 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform and build breakdown:

• windows11-64-24h2: 1
  • opt: 1

Table

	msix
windows11-64-24h2--/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-02-10&endday=2025-02-16&tree=all

Comment 5

[BugBot [:suhaib / :marco]]

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

Comment 6

[Intermittent Failures Robot]

Summary

1 failures in 5035 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• macosx1100-aarch64-qr: 1
  • opt: 1

Table

	spi-nw
macosx1100-aarch64-qr--/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-03-17&endday=2025-03-23&tree=all

Comment 7

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 2

Table

	spi-nw
macosx1015-64-qr--/opt	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-04-07&endday=2025-04-13&tree=all

Comment 8

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	debug	no_variant	opt	spi-nw
macosx1015-x86_64/opt				1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-05-12&endday=2025-05-18&tree=all

Comment 9

[Treeherder Bug Filer]

New failure instance: https://treeherder.mozilla.org/logviewer?job_id=516848356&repo=autoland

Comment 10

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	no_variant	socketprocess_networking	spi-nw
macosx1015-x86_64/debug			1/118

• 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=1942489&startday=2025-07-21&endday=2025-07-27&tree=all

Comment 11

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 3

Table

	no_variant	socketprocess_networking	swgl	swgl+a11y_checks
linux2404-x86_64/opt	1/41
macosx1470-x86_64/opt	2/56

• 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=1942489&startday=2025-07-28&endday=2025-08-03&tree=all

Comment 12

[BugBot [:suhaib / :marco]]

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

Comment 13

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	no_variant	socketprocess_networking
macosx1015-x86_64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-09-08&endday=2025-09-14&tree=all

Comment 14

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	no_variant	socketprocess_networking	spi-nw
macosx1015-x86_64/opt			1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-09-22&endday=2025-09-28&tree=all

Comment 15

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	no_variant	socketprocess_networking
macosx1015-x86_64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-10-06&endday=2025-10-12&tree=all

Comment 16

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	no_variant	socketprocess_networking
macosx1015-x86_64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-10-20&endday=2025-10-26&tree=all

Comment 17

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 2

Table

	no_variant	socketprocess_networking	spi-nw
macosx1015-x86_64/opt	1		1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-11-10&endday=2025-11-16&tree=all

Comment 18

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	no_variant	socketprocess_networking
macosx1015-x86_64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-11-17&endday=2025-11-23&tree=all

Comment 19

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	no_variant	socketprocess_networking	spi-nw
macosx1015-x86_64/opt			1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2025-11-24&endday=2025-11-30&tree=all

Comment 20

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	no_variant
macosx1015-x86_64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1942489&startday=2026-01-05&endday=2026-01-11&tree=all