[Webkit-unassigned] [Bug 103400] New: [EFL] Layout Test compositing/overflow/content-*-scrollbars.html are flaky

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=103400

           Summary: [EFL] Layout Test
                    compositing/overflow/content-*-scrollbars.html are
                    flaky
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jussi.kukkonen at intel.com


The following layout tests are flaky on EFL WK2 Debug:
  compositing/overflow/content-gains-scrollbars.html
  compositing/overflow/content-loses-scrollbars.html
They don't crash on the same runs on the bot so it doesn't look like it's caused by another test.

Locally --iterations=3 seems to be enough to trigger this on content-gains-scrollbars.html at least: third run will crash reproducibly.

STDERR: ASSERTION FAILED: m_state.drawsContent && m_state.contentsVisible && !m_size.isEmpty()
STDERR: /home/jku/intel/src/WebKit/Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp(113) : void WebCore::TextureMapperLayer::paintSelf(const WebCore::TextureMapperPaintOptions&)
STDERR: 1   0x7f18632fdc3c WebCore::TextureMapperLayer::paintSelf(WebCore::TextureMapperPaintOptions const&)
STDERR: 2   0x7f18632fdfc1 WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&)
STDERR: 3   0x7f18632fe94e WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&)
STDERR: 4   0x7f18632fea91 WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&)
STDERR: 5   0x7f18632fe144 WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&)
STDERR: 6   0x7f18632fe94e WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&)
STDERR: 7   0x7f18632fea91 WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&)
STDERR: 8   0x7f18632fe144 WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&)
STDERR: 9   0x7f18632fe94e WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&)
STDERR: 10  0x7f18632fea91 WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&)
STDERR: 11  0x7f18632fe144 WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&)
STDERR: 12  0x7f18632fe94e WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&)
STDERR: 13  0x7f18632fea91 WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&)
STDERR: 14  0x7f18632fe144 WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&)
STDERR: 15  0x7f18632fe94e WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&)
STDERR: 16  0x7f18632fea91 WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&)
STDERR: 17  0x7f18632fe144 WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&)
STDERR: 18  0x7f18632fe94e WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&)
STDERR: 19  0x7f18632fea91 WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&)
STDERR: 20  0x7f18632fe144 WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&)
STDERR: 21  0x7f18632fe94e WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&)
STDERR: 22  0x7f18632fea91 WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&)
STDERR: 23  0x7f18632fe144 WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&)
STDERR: 24  0x7f18632fe94e WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&)
STDERR: 25  0x7f18632fea91 WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&)
STDERR: 26  0x7f18632fe144 WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions const&)
STDERR: 27  0x7f18632fe94e WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions const&)
STDERR: 28  0x7f18632fea91 WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions const&)
STDERR: 29  0x7f18632fda5b WebCore::TextureMapperLayer::paint()
STDERR: 30  0x7f185fa0677a WebKit::LayerTreeRenderer::paintToCurrentGLContext(WebCore::TransformationMatrix const&, float, WebCore::FloatRect const&, unsigned int)
STDERR: 31  0x7f185fb373e2 EwkViewImpl::displayTimerFired(WebCore::Timer<EwkViewImpl>*)
STDERR: LEAK: 4 WebCoreNode

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