Bug 315015

Summary:	[Debug] WTF.AutomaticThreadTemporaryStop is a flaky assertion crash
Product:	WebKit	Reporter:	Claudio Saavedra <csaavedra>
Component:	WebKitGTK	Assignee:	Angelos Oikonomopoulos <angelos>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	bugs-noreply, webkit-bug-importer
Priority:	P2
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Claudio Saavedra

Reported 2026-05-18 04:39:02 PDT

Happens often in EWS which has Release with assertions enabled, see https://ews-build.webkit.org/#/builders/41 ASSERTION FAILED: m_isRunning Source/WTF/wtf/AutomaticThread.cpp(171) : void WTF::AutomaticThread::start(const WTF::AbstractLocker&) 1 WTF::AutomaticThread::start(WTF::AbstractLocker const&) 2 WTF::AutomaticThreadCondition::notifyOne(WTF::AbstractLocker const&) 3 WTF_AutomaticThreadTemporaryStop_Test::TestBody() TestWTF --gtest_filter=WTF.AutomaticThread* --gtest_repeat=20

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Claudio Saavedra

Comment 1 2026-05-18 04:47:34 PDT

*** This bug has been marked as a duplicate of bug 315012 ***

Angelos Oikonomopoulos

Comment 2 2026-05-18 05:12:24 PDT

Re-opening for pull request https://github.com/WebKit/WebKit/pull/65103

Claudio Saavedra

Comment 3 2026-05-18 05:18:12 PDT

*** Bug 315012 has been marked as a duplicate of this bug. ***

EWS

Comment 4 2026-05-25 23:53:17 PDT

Committed 313870@main (668b5e5a8de4): <https://commits.webkit.org/313870@main> Reviewed commits have been landed. Closing PR #65103 and removing active labels.

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