[Webkit-unassigned] [Bug 66735] Composited layers are sometimes created during painting after layout

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Aug 22 20:20:38 PDT 2011


https://bugs.webkit.org/show_bug.cgi?id=66735





--- Comment #3 from James Robinson <jamesr at chromium.org>  2011-08-22 20:20:38 PST ---
Example stack (from a mac, frames 8 through 21 are the cross-platform ones):


ASSERTION FAILED: !LayerRendererChromium::s_inPaintLayerContents
/usr/local/home/jamesr/chrome/src/third_party/WebKit/Source/WebCore/WebCore.gyp/../platform/graphics/chromium/LayerChromium.cpp(83) : WebCore::LayerChromium::LayerChromium(WebCore::GraphicsLayerChromium*)
[12110:2307:3458010342140506:ERROR:process_util_posix.cc(134)] Received signal 11
    0   DumpRenderTree                      0x0a60f6ee base::debug::StackTrace::StackTrace() + 60
    1   DumpRenderTree                      0x0adfafd9 base::(anonymous namespace)::StackDumpSignalHandler(int, __siginfo*, __darwin_ucontext*) + 267
    2   libSystem.B.dylib                   0x9927f05b _sigtramp + 43
    3   ???                                 0xffffffff 0x0 + 4294967295
    4   DumpRenderTree                      0x0c102cec WebCore::TiledLayerChromium::TiledLayerChromium(WebCore::GraphicsLayerChromium*) + 58
    5   DumpRenderTree                      0x0c0c7f4e WebCore::ContentLayerChromium::ContentLayerChromium(WebCore::GraphicsLayerChromium*) + 58
    6   DumpRenderTree                      0x0c0c8042 WebCore::ContentLayerChromium::create(WebCore::GraphicsLayerChromium*) + 74
    7   DumpRenderTree                      0x0c0d29b7 WebCore::GraphicsLayerChromium::GraphicsLayerChromium(WebCore::GraphicsLayerClient*) + 195
    8   DumpRenderTree                      0x0c0d2a49 WebCore::GraphicsLayer::create(WebCore::GraphicsLayerClient*) + 71
    9   DumpRenderTree                      0x0cb0036f WebCore::RenderLayerBacking::createGraphicsLayer(WTF::String const&) + 63
    10  DumpRenderTree                      0x0cb01448 WebCore::RenderLayerBacking::createPrimaryGraphicsLayer() + 120
    11  DumpRenderTree                      0x0cb01666 WebCore::RenderLayerBacking::RenderLayerBacking(WebCore::RenderLayer*) + 218
    12  DumpRenderTree                      0x0cade3f2 WebCore::RenderLayer::ensureBacking() + 84
    13  DumpRenderTree                      0x0cb09048 WebCore::RenderLayerCompositor::updateBacking(WebCore::RenderLayer*, WebCore::RenderLayerCompositor::CompositingChangeRepaint) + 204
    14  DumpRenderTree                      0x0cb09d6f WebCore::RenderLayerCompositor::computeCompositingRequirements(WebCore::RenderLayer*, WTF::HashMap<WebCore::RenderLayer*, WebCore::IntRect, WTF::PtrHash<WebCore::RenderLayer*>, WTF::HashTraits<WebCore::RenderLayer*>, WTF::HashTraits<WebCore::IntRect> >*, WebCore::CompositingState&, bool&) + 2615
    15  DumpRenderTree                      0x0cb0992b WebCore::RenderLayerCompositor::computeCompositingRequirements(WebCore::RenderLayer*, WTF::HashMap<WebCore::RenderLayer*, WebCore::IntRect, WTF::PtrHash<WebCore::RenderLayer*>, WTF::HashTraits<WebCore::RenderLayer*>, WTF::HashTraits<WebCore::IntRect> >*, WebCore::CompositingState&, bool&) + 1523
    16  DumpRenderTree                      0x0cb0992b WebCore::RenderLayerCompositor::computeCompositingRequirements(WebCore::RenderLayer*, WTF::HashMap<WebCore::RenderLayer*, WebCore::IntRect, WTF::PtrHash<WebCore::RenderLayer*>, WTF::HashTraits<WebCore::RenderLayer*>, WTF::HashTraits<WebCore::IntRect> >*, WebCore::CompositingState&, bool&) + 1523
    17  DumpRenderTree                      0x0cb09f8a WebCore::RenderLayerCompositor::updateCompositingLayers(WebCore::CompositingUpdateType, WebCore::RenderLayer*) + 398
    18  DumpRenderTree                      0x0cae8fd6 WebCore::RenderLayer::updateCompositingAndLayerListsIfNeeded() + 166
    19  DumpRenderTree                      0x0cae97c4 WebCore::RenderLayer::paintLayer(WebCore::RenderLayer*, WebCore::GraphicsContext*, WebCore::IntRect const&, unsigned int, WebCore::RenderObject*, WTF::HashMap<WebCore::OverlapTestRequestClient*, WebCore::IntRect, WTF::PtrHash<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::OverlapTestRequestClient*>, WTF::HashTraits<WebCore::IntRect> >*, unsigned int) + 1990
    20  DumpRenderTree                      0x0caeae25 WebCore::RenderLayer::paint(WebCore::GraphicsContext*, WebCore::IntRect const&, unsigned int, WebCore::RenderObject*) + 151
    21  DumpRenderTree                      0x0c77f489 WebCore::FrameView::paintContents(WebCore::GraphicsContext*, WebCore::IntRect const&) + 1109
    22  DumpRenderTree                      0x0a7afba8 WebKit::WebViewImplContentPainter::paint(WebCore::GraphicsContext&, WebCore::IntRect const&) + 138
    23  DumpRenderTree                      0x0c0f4274 WebCore::NonCompositedContentHost::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, WebCore::IntRect const&) + 100
    24  DumpRenderTree                      0x0c08e6e9 WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::IntRect const&) + 115
    25  DumpRenderTree                      0x0c0c875f WebCore::ContentLayerPainter::paint(WebCore::GraphicsContext&, WebCore::IntRect const&) + 139
    26  DumpRenderTree                      0x0c0f3c55 WebCore::LayerTextureUpdaterCanvas::paintContents(WebCore::GraphicsContext&, WebCore::IntRect const&) + 191
    27  DumpRenderTree                      0x0c0f3d62 WebCore::LayerTextureUpdaterBitmap::prepareToUpdate(WebCore::IntRect const&, WebCore::IntSize const&, int) + 202
    28  DumpRenderTree                      0x0c1016ec WebCore::TiledLayerChromium::prepareToUpdate(WebCore::IntRect const&) + 982
    29  DumpRenderTree                      0x0c0c7cf0 WebCore::ContentLayerChromium::paintContentsIfDirty() + 416
    30  DumpRenderTree                      0x0c0db38c WebCore::paintContentsIfDirty(WebCore::LayerChromium*, WebCore::IntRect const&) + 98
    31  DumpRenderTree                      0x0c0e3d2d WebCore::LayerRendererChromium::paintLayerContents(WTF::Vector<WTF::RefPtr<WebCore::LayerChromium>, 0ul> const&) + 1099
    32  DumpRenderTree                      0x0c0e40b6 WebCore::LayerRendererChromium::updateLayers(WebCore::LayerChromium*) + 590
    33  DumpRenderTree                      0x0c0e4221 WebCore::LayerRendererChromium::updateLayers() + 181
    34  DumpRenderTree                      0x0c11d539 WebCore::CCLayerTreeHost::doComposite() + 151
    35  DumpRenderTree                      0x0c11df21 WebCore::CCLayerTreeHost::compositeAndReadback(void*, WebCore::IntRect const&) + 57
    36  DumpRenderTree                      0x0a7a2340 WebKit::WebViewImpl::doPixelReadbackToCanvas(CGContext*, WebCore::IntRect const&) + 504
    37  DumpRenderTree                      0x0a7a25d6 WebKit::WebViewImpl::paint(CGContext*, WebKit::WebRect const&) + 222
    38  DumpRenderTree                      0x0a6a2be9 WebViewHost::paintRect(WebKit::WebRect const&) + 273
    39  DumpRenderTree                      0x0a6a2ee6 WebViewHost::paintInvalidatedRegion() + 708
    40  DumpRenderTree                      0x0a66e81c LayoutTestController::display(WTF::Vector<CppVariant, 0ul> const&, CppVariant*) + 184
    41  DumpRenderTree                      0x0a67cbf6 CppBoundClass::MemberCallback<LayoutTestController>::run(WTF::Vector<CppVariant, 0ul> const&, CppVariant*) + 136
    42  DumpRenderTree                      0x0a64f7cf CppBoundClass::invoke(void*, _NPVariant const*, unsigned long, _NPVariant*) + 473
    43  DumpRenderTree                      0x0a64f8a6 CppNPObject::invoke(NPObject*, void*, _NPVariant const*, unsigned int, _NPVariant*) + 106
    44  DumpRenderTree                      0x0c2a12aa WebCore::npObjectInvokeImpl(v8::Arguments const&, WebCore::InvokeFunctionType) + 1216
    45  DumpRenderTree                      0x0c2a14a4 WebCore::npObjectMethodHandler(v8::Arguments const&) + 53
    46  DumpRenderTree                      0x0b22f2cf v8::internal::MaybeObject* v8::internal::HandleApiCallHelper<false>(v8::internal::(anonymous namespace)::BuiltinArguments<(v8::internal::BuiltinExtraArguments)1>, v8::internal::Isolate*) + 890
    47  DumpRenderTree                      0x0b22f3eb v8::internal::Builtin_Impl_HandleApiCall(v8::internal::(anonymous namespace)::BuiltinArguments<(v8::internal::BuiltinExtraArguments)1>, v8::internal::Isolate*) + 71
    48  DumpRenderTree                      0x0b22f47e v8::internal::Builtin_HandleApiCall(v8::internal::(anonymous namespace)::BuiltinArguments<(v8::internal::BuiltinExtraArguments)1>, v8::internal::Isolate*) + 121
    49  ???                                 0x007220b6 0x0 + 7479478
ax: bbadbeef, bx: c0d94de, cx: 1, dx: 0
di: bfffaef8, si: 1e803c00, bp: bfffadf8, sp: bfffadb0, ss: 1f, flags: 10282
ip: c0d97c2, cs: 17, ds: 1f, es: 1f, fs: 0, gs: 37

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