1966101 - Intermittent results.MissingResultsError: Browsertime cycle missing ['largestContentfulPaint', 'renderTime'] measurement

Status: REOPENED

(Testing :: Raptor, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: agoloman [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=507980474&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/PYaGy3QCQ1aAL2lcEQ0QXA/runs/0/artifacts/public/logs/live_backing.log

---

[task 2025-05-13T13:07:27.441Z] 13:07:27    ERROR -  Traceback (most recent call last):
[task 2025-05-13T13:07:27.442Z] 13:07:27     INFO -    File "C:\task_174713947349695\build\tests\raptor\raptor\raptor.py", line 189, in <module>
[task 2025-05-13T13:07:27.442Z] 13:07:27     INFO -      main()
[task 2025-05-13T13:07:27.442Z] 13:07:27     INFO -    File "C:\task_174713947349695\build\tests\raptor\raptor\raptor.py", line 138, in main
[task 2025-05-13T13:07:27.442Z] 13:07:27     INFO -      success = raptor.run_tests(raptor_test_list, raptor_test_names)
[task 2025-05-13T13:07:27.442Z] 13:07:27     INFO -                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[task 2025-05-13T13:07:27.442Z] 13:07:27     INFO -    File "C:\task_174713947349695\build\tests\raptor\raptor\perftest.py", line 505, in run_tests
[task 2025-05-13T13:07:27.442Z] 13:07:27     INFO -      return self.process_results(tests, test_names)
[task 2025-05-13T13:07:27.442Z] 13:07:27     INFO -             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[task 2025-05-13T13:07:27.442Z] 13:07:27     INFO -    File "C:\task_174713947349695\build\tests\raptor\raptor\perftest.py", line 527, in process_results
[task 2025-05-13T13:07:27.442Z] 13:07:27     INFO -      res = self.results_handler.summarize_and_output(self.config, tests, test_names)
[task 2025-05-13T13:07:27.442Z] 13:07:27     INFO -            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[task 2025-05-13T13:07:27.443Z] 13:07:27     INFO -    File "C:\task_174713947349695\build\tests\raptor\raptor\results.py", line 1036, in summarize_and_output
[task 2025-05-13T13:07:27.443Z] 13:07:27     INFO -      for new_result in self.parse_browsertime_json(
[task 2025-05-13T13:07:27.443Z] 13:07:27     INFO -                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[task 2025-05-13T13:07:27.443Z] 13:07:27     INFO -    File "C:\task_174713947349695\build\tests\raptor\raptor\results.py", line 772, in parse_browsertime_json
[task 2025-05-13T13:07:27.443Z] 13:07:27     INFO -      support_class.handle_result(
[task 2025-05-13T13:07:27.443Z] 13:07:27     INFO -    File "C:\task_174713947349695\build\tests\raptor\browsertime\support-scripts\browsertime_pageload.py", line 109, in handle_result
[task 2025-05-13T13:07:27.443Z] 13:07:27     INFO -      raise MissingResultsError(
[task 2025-05-13T13:07:27.443Z] 13:07:27     INFO -  results.MissingResultsError: Browsertime cycle missing ['largestContentfulPaint', 'renderTime'] measurement
[task 2025-05-13T13:07:27.495Z] 13:07:27     INFO - Return code: 1
[task 2025-05-13T13:07:27.501Z] 13:07:27  WARNING - setting return code to 1
[task 2025-05-13T13:07:27.501Z] 13:07:27     INFO - Copying Raptor results to upload dir:
[task 2025-05-13T13:07:27.501Z] 13:07:27     INFO - C:\task_174713947349695\build\blobber_upload_dir\perfherder-data.json
[task 2025-05-13T13:07:27.501Z] 13:07:27     INFO - Copying raptor results from C:\task_174713947349695\build\raptor.json to C:\task_174713947349695\build\blobber_upload_dir\perfherder-data.json
[task 2025-05-13T13:07:27.502Z] 13:07:27 CRITICAL - Error copying results C:\task_174713947349695\build\raptor.json to upload dir C:\task_174713947349695\build\blobber_upload_dir\perfherder-data.json
[task 2025-05-13T13:07:27.502Z] 13:07:27     INFO - [Errno 2] No such file or directory: 'C:\\task_174713947349695\\build\\raptor.json'
[task 2025-05-13T13:07:27.503Z] 13:07:27     INFO - Running post-action listener: _package_coverage_data
[task 2025-05-13T13:07:27.503Z] 13:07:27     INFO - Running post-action listener: _resource_record_post_action
[task 2025-05-13T13:07:27.503Z] 13:07:27     INFO - Running post-action listener: process_java_coverage_data
[task 2025-05-13T13:07:27.503Z] 13:07:27     INFO - Running post-action listener: stop_device
[task 2025-05-13T13:07:27.503Z] 13:07:27     INFO - [mozharness: 2025-05-13 13:07:27.503931Z] Finished run-tests step (success)
[task 2025-05-13T13:07:27.503Z] 13:07:27     INFO - Running post-run listener: _resource_record_post_run
[task 2025-05-13T13:07:28.080Z] 13:07:28     INFO - Total resource usage - Wall time: 1179s; CPU: 7%; Read bytes: 1643340800; Write bytes: 2887881728; Read time: 6; Write time: 38
[task 2025-05-13T13:07:28.080Z] 13:07:28     INFO - TinderboxPrint: CPU usage<br/>7.1%
[task 2025-05-13T13:07:28.080Z] 13:07:28     INFO - TinderboxPrint: I/O read bytes / time<br/>1,643,340,800 / 6
[task 2025-05-13T13:07:28.080Z] 13:07:28     INFO - TinderboxPrint: I/O write bytes / time<br/>2,887,881,728 / 38
[task 2025-05-13T13:07:28.080Z] 13:07:28     INFO - TinderboxPrint: CPU idle<br/>17,529.1 (92.8%)
[task 2025-05-13T13:07:28.080Z] 13:07:28     INFO - TinderboxPrint: CPU system<br/>518.7 (2.7%)
[task 2025-05-13T13:07:28.080Z] 13:07:28     INFO - TinderboxPrint: CPU user<br/>802.3 (4.2%)
[task 2025-05-13T13:07:28.095Z] 13:07:28     INFO - install-chromium-distribution - Wall time: 0s; CPU: Can't collect data; Read bytes: 0; Write bytes: 0; Read time: 0; Write time: 0
[task 2025-05-13T13:07:28.097Z] 13:07:28     INFO - install - Wall time: 3s; CPU: 5%; Read bytes: 3294720; Write bytes: 45400064; Read time: 0; Write time: 0
[task 2025-05-13T13:07:28.158Z] 13:07:28     INFO - run-tests - Wall time: 1175s; CPU: 7%; Read bytes: 1640045056; Write bytes: 2822594048; Read time: 4; Write time: 31
[task 2025-05-13T13:07:30.807Z] 13:07:30  WARNING - returning nonzero exit status 1

Comment 1

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-central: 1
• autoland: 1

Table

	no_variant
windows11-x86_64/opt	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-05-12&endday=2025-05-18&tree=all

Comment 2

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	nofis
android-aarch64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-05-26&endday=2025-06-01&tree=all

Comment 3

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 2

Table

	nofis
android-aarch64/opt	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-06-02&endday=2025-06-08&tree=all

Comment 4

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	no_variant
linux1804-x86_64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-06-09&endday=2025-06-15&tree=all

Comment 5

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	nofis
android-aarch64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-06-16&endday=2025-06-22&tree=all

Comment 6

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	nofis
android-aarch64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-06-23&endday=2025-06-29&tree=all

Comment 7

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

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

Comment 8

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-central: 1

Table

	no_variant
android-aarch64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-07-21&endday=2025-07-27&tree=all

Comment 9

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 2

Table

	nofis
android-aarch64/opt	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-07-28&endday=2025-08-03&tree=all

Comment 10

[Treeherder Bug Filer]

New failure instance: https://treeherder.mozilla.org/logviewer?job_id=522580539&repo=mozilla-central

Comment 11

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-central: 3
• autoland: 1

Table

	nofis
android-aarch64/opt	4

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-08-11&endday=2025-08-17&tree=all

Comment 12

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1
• mozilla-central: 1

Table

	nofis
android-aarch64/opt	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-08-18&endday=2025-08-24&tree=all

Comment 13

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-central: 2
• autoland: 2

Table

	no_variant	nofis
android-aarch64/opt	1	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-09-01&endday=2025-09-07&tree=all

Comment 14

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1
• mozilla-central: 2

Table

	no_variant	nofis
android-aarch64/opt	1	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&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:

• autoland: 1
• mozilla-central: 1

Table

	no_variant	nofis
android-aarch64/opt	1	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-09-15&endday=2025-09-21&tree=all

Comment 16

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-central: 1

Table

	no_variant
linux1804-x86_64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-09-22&endday=2025-09-28&tree=all

Comment 17

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	nofis
android-aarch64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-10-06&endday=2025-10-12&tree=all

Comment 18

[Intermittent Failures Robot]

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

Repository breakdown:

• autoland: 1

Table

	nofis
android-aarch64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1966101&startday=2025-10-13&endday=2025-10-19&tree=all