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<base href="https://bugs.webkit.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ASSERTION FAILED: !isFullUpdate || !m_subframeScrollLayersNeedReattach in WebCore::RenderLayerCompositor::updateCompositingLayers on http://www.w3schools.com/cssref/css_selectors.asp"
href="https://bugs.webkit.org/show_bug.cgi?id=167051">167051</a>
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<tr>
<th>Summary</th>
<td>ASSERTION FAILED: !isFullUpdate || !m_subframeScrollLayersNeedReattach in WebCore::RenderLayerCompositor::updateCompositingLayers on http://www.w3schools.com/cssref/css_selectors.asp
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Nightly Build
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P2
</td>
</tr>
<tr>
<th>Component</th>
<td>WebCore Misc.
</td>
</tr>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mcatanzaro@igalia.com
</td>
</tr>
<tr>
<th>CC</th>
<td>bugs-noreply@webkitgtk.org
</td>
</tr></table>
<p>
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<pre>Visit <a href="http://www.w3schools.com/cssref/css_selectors.asp">http://www.w3schools.com/cssref/css_selectors.asp</a> and scroll down a bit. It triggers this assertion:
ASSERTION FAILED: !isFullUpdate || !m_subframeScrollLayersNeedReattach
../../Source/WebCore/rendering/RenderLayerCompositor.cpp(749) : bool WebCore::RenderLayerCompositor::updateCompositingLayers(WebCore::CompositingUpdateType, WebCore::RenderLayer*)
1 0x7f159b6522d2 /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(WTFCrash+0x1e) [0x7f159b6522d2]
2 0x7f15a4ec357d /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore21RenderLayerCompositor23updateCompositingLayersENS_21CompositingUpdateTypeEPNS_11RenderLayerE+0x6f9) [0x7f15a4ec357d]
3 0x7f15a4a4db50 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore9FrameView37updateCompositingLayersAfterScrollingEv+0xc4) [0x7f15a4a4db50]
4 0x7f15a4b4da83 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore10ScrollView28completeUpdatesAfterScrollToERKNS_7IntSizeE+0x55) [0x7f15a4b4da83]
5 0x7f15a4b4d9df /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore10ScrollView8scrollToERKNS_8IntPointE+0x2a1) [0x7f15a4b4d9df]
6 0x7f15a4a51dbc /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore9FrameView8scrollToERKNS_8IntPointE+0x40) [0x7f15a4a51dbc]
7 0x7f15a4b4d48b /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore10ScrollView15setScrollOffsetERKNS_8IntPointE+0x17f) [0x7f15a4b4d48b]
8 0x7f15a4b56028 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollableArea21scrollPositionChangedERKNS_8IntPointE+0x82) [0x7f15a4b56028]
9 0x7f15a4b56390 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollableArea28setScrollOffsetFromAnimationERKNS_8IntPointE+0x58) [0x7f15a4b56390]
10 0x7f15a4b4bb09 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollAnimator21notifyPositionChangedERKNS_9FloatSizeE+0x55) [0x7f15a4b4bb09]
11 0x7f15a4b4b5bf /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollAnimator6scrollENS_20ScrollbarOrientationENS_17ScrollGranularityEff+0x1d5) [0x7f15a4b4b5bf]
12 0x7f15a545e72e /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore17ScrollAnimatorGtk6scrollENS_20ScrollbarOrientationENS_17ScrollGranularityEff+0x84) [0x7f15a545e72e]
13 0x7f15a4b4b98b /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollAnimator16handleWheelEventERKNS_18PlatformWheelEventE+0x2f9) [0x7f15a4b4b98b]
14 0x7f15a4b562d5 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore14ScrollableArea16handleWheelEventERKNS_18PlatformWheelEventE+0x59) [0x7f15a4b562d5]
15 0x7f15a4a56532 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore9FrameView10wheelEventERKNS_18PlatformWheelEventE+0x16a) [0x7f15a4a56532]
16 0x7f15a4a20d50 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore12EventHandler26platformCompleteWheelEventERKNS_18PlatformWheelEventEPNS_13ContainerNodeERKN3WTF7WeakPtrINS_14ScrollableAreaEEE+0x5c) [0x7f15a4a20d50]
17 0x7f15a4a2150b /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore12EventHandler16handleWheelEventERKNS_18PlatformWheelEventE+0x547) [0x7f15a4a2150b]
18 0x7f15a50915f0 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore15UserInputBridge16handleWheelEventERKNS_18PlatformWheelEventENS_11InputSourceE+0x3c) [0x7f15a50915f0]
19 0x7f15a398653a /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(+0x538353a) [0x7f15a398653a]
20 0x7f15a39865c6 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN6WebKit7WebPage10wheelEventERKNS_13WebWheelEventE+0x58) [0x7f15a39865c6]
21 0x7f15a395d30d /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZN6WebKit15EventDispatcher18dispatchWheelEventEmRKNS_13WebWheelEventE+0x79) [0x7f15a395d30d]
22 0x7f15a395d107 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(+0x535a107) [0x7f15a395d107]
23 0x7f15a395da16 /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(+0x535aa16) [0x7f15a395da16]
24 0x7f15a352d56d /home/mcatanzaro/Projects/GNOME/install/lib/libwebkit2gtk-4.0.so.37(_ZNK3WTF8FunctionIFvvEEclEv+0x37) [0x7f15a352d56d]
25 0x7f159b671a68 /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(_ZN3WTF7RunLoop11performWorkEv+0xce) [0x7f159b671a68]
26 0x7f159b6b88e8 /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(+0x25008e8) [0x7f159b6b88e8]
27 0x7f159b6b890c /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(+0x250090c) [0x7f159b6b890c]
28 0x7f159b6b8888 /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(+0x2500888) [0x7f159b6b8888]
29 0x7f159b6b88b7 /home/mcatanzaro/Projects/GNOME/install/lib/libjavascriptcoregtk-4.0.so.18(+0x25008b7) [0x7f159b6b88b7]
30 0x7f159399e2de /home/mcatanzaro/Projects/GNOME/install/lib/libglib-2.0.so.0(+0x542de) [0x7f159399e2de]
31 0x7f159399f160 /home/mcatanzaro/Projects/GNOME/install/lib/libglib-2.0.so.0(g_main_context_dispatch+0x33) [0x7f159399f160]</pre>
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