1807000 - Frequent SUMMARY: ThreadSanitizer: data race /builds/worker/checkouts/gecko/widget/headless/HeadlessCompositorWidget.cpp:35:10 in mozilla::widget::HeadlessCompositorWidget::GetClientSize()

Status: RESOLVED FIXED

(Firefox :: Headless, defect)

Description

[Treeherder Bug Filer]

Filed by: rvandermeulen [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=400445541&repo=try
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/AEdpO3_3SaOXqwyA37OOqQ/runs/0/artifacts/public/logs/live_backing.log

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Trying to enable wdspec-headless in TSAN mode, this race is hitting frequently.

Comment 1

[Ryan VanderMeulen [:RyanVM]]

Attachment: tsan output

Also one on line 31:
https://treeherder.mozilla.org/logviewer?job_id=400445549&repo=try&lineNumber=38376

Comment 2

[Ryan VanderMeulen [:RyanVM]]

Attachment: more tsan output

Comment 4

[Emilio Cobos Álvarez (:emilio)]

Attachment: Bug 1807000 - Use a DataMutex in HeadlessCompositorWidget. r=stransky,#gfx-reviewers

Much like GtkCompositorWidget. Clean some stuff up while at it.

Comment 5

[Andrew McCreight [:mccr8]]

Testing only, so I'm unhiding this.

Comment 6

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/6f811e87082a
Use a DataMutex in HeadlessCompositorWidget. r=gfx-reviewers,nical

Comment 7

[Noemi Erli[:noemi_erli]]

https://hg.mozilla.org/mozilla-central/rev/6f811e87082a