1857018 - Intermittent /css/css-will-change/will-change-contents-crash.html | single tracking bug

Status: RESOLVED INCOMPLETE

(Core :: Layout, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: abutkovits [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=431335304&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/I7vXIU8PRCKkJ0VVfYriew/runs/0/artifacts/public/logs/live_backing.log

---

[task 2023-10-04T17:01:30.853Z] 17:01:30     INFO - TEST-START | /css/css-will-change/will-change-contents-crash.html
[task 2023-10-04T17:01:30.865Z] 17:01:30     INFO - Setting pref dom.animations-api.compositing.enabled to true
[task 2023-10-04T17:01:30.879Z] 17:01:30     INFO - Setting pref layout.css.backdrop-filter.enabled to true
[task 2023-10-04T17:01:55.376Z] 17:01:55     INFO - PID 27170 | console.error: (new Error("Polling for changes failed: Unexpected content-type \"text/plain;charset=US-ASCII\".", "resource://services-settings/remote-settings.sys.mjs", 321))
[task 2023-10-04T17:02:05.852Z] 17:02:05     INFO - Got timeout in harness
[task 2023-10-04T17:02:05.854Z] 17:02:05     INFO - TEST-UNEXPECTED-TIMEOUT | /css/css-will-change/will-change-contents-crash.html | TestRunner hit external timeout (this may indicate a hang)
[task 2023-10-04T17:02:05.854Z] 17:02:05     INFO - TEST-INFO took 35003ms
[task 2023-10-04T17:02:05.855Z] 17:02:05     INFO - Restarting browser for new test group
[task 2023-10-04T17:03:16.923Z] 17:03:16     INFO - Browser exited with return code -15
[task 2023-10-04T17:03:17.017Z] 17:03:17     INFO - Browser not responding, setting status to CRASH
[task 2023-10-04T17:03:17.017Z] 17:03:17  WARNING - Command left in command_queue during cleanup: 'test_ended', (<wptrunner.wpttest.CrashTest /css/css-will-change/will-change-contents-crash.html>, (<wptrunner.wpttest.CrashtestResult CRASH>, []))
[task 2023-10-04T17:03:17.017Z] 17:03:17     INFO - Closing logging queue
[task 2023-10-04T17:03:17.017Z] 17:03:17     INFO - IOError on command, setting status to CRASH
[task 2023-10-04T17:03:17.017Z] 17:03:17     INFO - queue closed
[task 2023-10-04T17:03:17.035Z] 17:03:17     INFO - Application command: /builds/worker/workspace/build/application/firefox/firefox --marionette about:blank -profile /tmp/tmp3olvp1b0
[task 2023-10-04T17:03:17.076Z] 17:03:17     INFO - PID 27485 | [CodeCoverage] Setting handlers for process 27485.
[task 2023-10-04T17:03:17.076Z] 17:03:17     INFO - PID 27485 | ATTENTION: default value of option mesa_glthread overridden by environment.
[task 2023-10-04T17:03:17.076Z] 17:03:17     INFO - PID 27485 | 1696438890759	Marionette	INFO	Marionette enabled
[task 2023-10-04T17:03:17.076Z] 17:03:17     INFO - PID 27485 | ATTENTION: default value of option mesa_glthread overridden by environment.
[task 2023-10-04T17:03:17.076Z] 17:03:17     INFO - PID 27485 | 1696438890956	Marionette	INFO	Listening on port 60410
[task 2023-10-04T17:03:17.076Z] 17:03:17     INFO - PID 27485 | console.error: (new Error("Unexpected content-type \"text/plain;charset=US-ASCII\"", "resource://services-settings/Utils.sys.mjs", 399))
[task 2023-10-04T17:03:17.076Z] 17:03:17     INFO - PID 27485 | console.error: (new Error("Unexpected content-type \"text/plain;charset=US-ASCII\"", "resource://services-settings/Utils.sys.mjs", 399))
[task 2023-10-04T17:03:17.076Z] 17:03:17     INFO - PID 27485 | console.error: (new Error("Unexpected content-type \"text/plain;charset=US-ASCII\"", "resource://services-settings/Utils.sys.mjs", 399))
[task 2023-10-04T17:03:17.076Z] 17:03:17     INFO - PID 27485 | console.error: ({})
[task 2023-10-04T17:03:17.076Z] 17:03:17     INFO - PID 27485 | console.error: (new Error("Unexpected content-type \"text/plain;charset=US-ASCII\"", "resource://services-settings/Utils.sys.mjs", 399))
[task 2023-10-04T17:03:17.076Z] 17:03:17     INFO - PID 27485 | console.error: (new Error("Unexpected content-type \"text/plain;charset=US-ASCII\"", "resource://services-settings/Utils.sys.mjs", 399))
[task 2023-10-04T17:03:17.077Z] 17:03:17     INFO - PID 27485 | console.error: (new Error("Unexpected content-type \"text/plain;charset=US-ASCII\"", "resource://services-settings/Utils.sys.mjs", 399))
[task 2023-10-04T17:03:17.077Z] 17:03:17     INFO - PID 27485 | console.error: (new Error("Unexpected content-type \"text/plain;charset=US-ASCII\"", "resource://services-settings/Utils.sys.mjs", 399))
[task 2023-10-04T17:03:17.077Z] 17:03:17     INFO - PID 27485 | console.error: (new Error("Unexpected content-type \"text/plain;charset=US-ASCII\"", "resource://services-settings/Utils.sys.mjs", 399))
[task 2023-10-04T17:03:17.077Z] 17:03:17     INFO - PID 27485 | console.error: (new Error("Polling for changes failed: Unexpected content-type \"text/plain;charset=US-ASCII\".", "resource://services-settings/remote-settings.sys.mjs", 321))
[task 2023-10-04T17:03:17.078Z] 17:03:17     INFO - Starting runner
[task 2023-10-04T17:03:17.887Z] 17:03:17     INFO - PID 27485 | [CodeCoverage] Setting handlers for process 27604.
[task 2023-10-04T17:03:18.141Z] 17:03:18     INFO - PID 27485 | [CodeCoverage] Setting handlers for process 27609.
[task 2023-10-04T17:03:18.810Z] 17:03:18     INFO - TEST-START | /css/css-writing-modes/bidi-inline-fragment-crash.html

Comment 1

[Intermittent Failures Robot]

1 failures in 4018 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-ccov-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1857018&startday=2023-10-02&endday=2023-10-08&tree=all

Comment 3

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

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

Comment 4

[Treeherder Bug Filer]

New failure instance: https://treeherder.mozilla.org/logviewer?job_id=468473844&repo=mozilla-central

Comment 5

[Intermittent Failures Robot]

1 failures in 3839 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-ccov-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1857018&startday=2024-07-29&endday=2024-08-04&tree=all

Comment 6

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

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

Comment 7

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-central: 1

Table

	no_variant
linux1804-64-ccov-qr--/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1857018&startday=2025-04-21&endday=2025-04-27&tree=all

Comment 8

[Intermittent Failures Robot]

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

Repository breakdown:

• mozilla-beta: 1

Table

	no_variant
linux2204-x86_64/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1857018&startday=2026-01-12&endday=2026-01-18&tree=all