[Webkit-unassigned] [Bug 73929] New: [chromium] Hitting assertion in CCSchedulerStateMachine::updateState

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=73929

           Summary: [chromium] Hitting assertion in
                    CCSchedulerStateMachine::updateState
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: husky at google.com


To reproduce, launch Chromium with --force-compositing-mode --enable-threaded-compositing.

Open http://diden.net/test/tex.html in two tabs and switch back and forth between them. Both tabs hit an assert fairly quickly:

ASSERTION FAILED: m_needsCommit
third_party/WebKit/Source/WebCore/platform/graphics/chromium/cc/CCSchedulerStateMachine.cpp(109) : void WebCore::CCSchedulerStateMachine::updateState(WebCore::CCSchedulerStateMachine::Action)

Can't seem to get a full stack trace, even with --disable-seccomp-sandbox.

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