1960710 - Intermittent /web-animations/responsive/neutral-keyframe.html | single tracking bug

Status: NEW

(Core :: DOM: Animation, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: csabou [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=504101871&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/HB462ea8Qkm7QqJ9ne6RmA/runs/0/artifacts/public/logs/live_backing.log
Reftest URL: https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/HB462ea8Qkm7QqJ9ne6RmA/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

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[task 2025-04-15T17:56:18.850Z] 17:56:18     INFO - TEST-START | /web-animations/responsive/neutral-keyframe.html
[task 2025-04-15T17:56:18.862Z] 17:56:18     INFO - Setting pref layout.scroll.disable-pixel-alignment to true
[task 2025-04-15T17:56:18.876Z] 17:56:18     INFO - Setting pref layout.css.marker.restricted to false
[task 2025-04-15T17:56:18.892Z] 17:56:18     INFO - Setting pref layout.css.properties-and-values.enabled to true
[task 2025-04-15T17:56:19.294Z] 17:56:19     INFO - PID 24552 | 1744739779293	Marionette	INFO	Testing http://web-platform.test:8000/web-animations/responsive/neutral-keyframe.html == http://web-platform.test:8000/web-animations/responsive/neutral-keyframe-ref.html
[task 2025-04-15T17:56:38.977Z] 17:56:38     INFO - TEST-UNEXPECTED-TIMEOUT | /web-animations/responsive/neutral-keyframe.html | expected PASS
[task 2025-04-15T17:56:38.978Z] 17:56:38     INFO - TEST-INFO took 20127ms
[task 2025-04-15T17:56:39.029Z] 17:56:39     INFO - PID 24552 | 1744739799028	Marionette	INFO	Stopped listening on port 44536
[task 2025-04-15T17:56:39.634Z] 17:56:39     INFO - Browser exited with return code -15
[task 2025-04-15T17:56:39.635Z] 17:56:39     INFO - Closing logging queue
[task 2025-04-15T17:56:39.636Z] 17:56:39     INFO - queue closed
[task 2025-04-15T17:56:39.645Z] 17:56:39     INFO - Application command: /builds/worker/workspace/build/application/firefox/firefox --marionette --remote-allow-system-access about:blank -profile /tmp/tmp6pooetds
[task 2025-04-15T17:56:39.653Z] 17:56:39     INFO - PID 24887 | [CodeCoverage] Setting handlers for process 24887.
[task 2025-04-15T17:56:39.654Z] 17:56:39     INFO - PID 24887 | ATTENTION: default value of option mesa_glthread overridden by environment.
[task 2025-04-15T17:56:39.654Z] 17:56:39     INFO - PID 24887 | 1744739776378	Marionette	INFO	Marionette enabled
[task 2025-04-15T17:56:39.656Z] 17:56:39     INFO - PID 24887 | ATTENTION: default value of option mesa_glthread overridden by environment.
[task 2025-04-15T17:56:39.656Z] 17:56:39     INFO - PID 24887 | 1744739776732	Marionette	INFO	Listening on port 57343
[task 2025-04-15T17:56:39.656Z] 17:56:39     INFO - PID 24887 | [CodeCoverage] Setting handlers for process 25008.
[task 2025-04-15T17:56:39.656Z] 17:56:39     INFO - Starting runner
[task 2025-04-15T17:58:00.077Z] 17:58:00     INFO - TEST-START | /web-animations/responsive/toggle-animated-iframe-visibility.html