[Webkit-unassigned] [Bug 105096] Scrolling causes assertion in fancybrowser example

Mon Jan 7 07:32:34 PST 2013

https://bugs.webkit.org/show_bug.cgi?id=105096

Allan Sandfeld Jensen <allan.jensen at digia.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
                 CC|                            |allan.jensen at digia.com
     Ever Confirmed|0                           |1

--- Comment #2 from Allan Sandfeld Jensen <allan.jensen at digia.com>  2013-01-07 07:34:28 PST ---
Longer backtrace:

0x00007ffff50cf88e in WebCore::RenderLayer::updateLayerPositionsAfterScroll (this=0x32476b8, geometryMap=0x7fffffffb880, flags=13) at /src/webkit/Source/WebCore/rendering/RenderLayer.cpp:759
759             ASSERT(m_repaintRect == renderer()->clippedOverflowRectForRepaint(renderer()->containerForRepaint()));
(gdb) 
(gdb) bt
#0  0x00007ffff50cf88e in WebCore::RenderLayer::updateLayerPositionsAfterScroll (this=0x32476b8, geometryMap=0x7fffffffb880, flags=13) at /src/webkit/Source/WebCore/rendering/RenderLayer.cpp:759
#1  0x00007ffff50cf95f in WebCore::RenderLayer::updateLayerPositionsAfterScroll (this=0x26a5498, geometryMap=0x7fffffffb880, flags=13) at /src/webkit/Source/WebCore/rendering/RenderLayer.cpp:764
#2  0x00007ffff50cf95f in WebCore::RenderLayer::updateLayerPositionsAfterScroll (this=0x325fc58, geometryMap=0x7fffffffb880, flags=13) at /src/webkit/Source/WebCore/rendering/RenderLayer.cpp:764
#3  0x00007ffff50cf95f in WebCore::RenderLayer::updateLayerPositionsAfterScroll (this=0x26b7358, geometryMap=0x7fffffffb880, flags=13) at /src/webkit/Source/WebCore/rendering/RenderLayer.cpp:764
#4  0x00007ffff50cf95f in WebCore::RenderLayer::updateLayerPositionsAfterScroll (this=0x26b7c98, geometryMap=0x7fffffffb880, flags=5) at /src/webkit/Source/WebCore/rendering/RenderLayer.cpp:764
#5  0x00007ffff50cf68c in WebCore::RenderLayer::updateLayerPositionsAfterOverflowScroll (this=0x26b7c98) at /src/webkit/Source/WebCore/rendering/RenderLayer.cpp:722
#6  0x00007ffff50d4a72 in WebCore::RenderLayer::scrollTo (this=0x26b7c98, x=0, y=60) at /src/webkit/Source/WebCore/rendering/RenderLayer.cpp:2049
#7  0x00007ffff50d744b in WebCore::RenderLayer::setScrollOffset (this=0x26b7c98, offset=...) at /src/webkit/Source/WebCore/rendering/RenderLayer.cpp:2387
#8  0x00007ffff4f3691c in WebCore::ScrollableArea::scrollPositionChanged (this=0x26b7c98, position=...) at /src/webkit/Source/WebCore/platform/ScrollableArea.cpp:154
#9  0x00007ffff4f36bb7 in WebCore::ScrollableArea::setScrollOffsetFromAnimation (this=0x26b7c98, offset=...) at /src/webkit/Source/WebCore/platform/ScrollableArea.cpp:199
#10 0x00007ffff4f38805 in WebCore::ScrollAnimator::notifyPositionChanged (this=0x32a4950) at /src/webkit/Source/WebCore/platform/ScrollAnimator.cpp:144
#11 0x00007ffff4f3816d in WebCore::ScrollAnimator::scroll (this=0x32a4950, orientation=WebCore::VerticalScrollbar, step=1, multiplier=60) at /src/webkit/Source/WebCore/platform/ScrollAnimator.cpp:70
#12 0x00007ffff4f36758 in WebCore::ScrollableArea::scroll (this=0x26b7c98, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60) at /src/webkit/Source/WebCore/platform/ScrollableArea.cpp:124
#13 0x00007ffff50dc3d8 in WebCore::RenderLayer::scroll (this=0x26b7c98, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60) at /src/webkit/Source/WebCore/rendering/RenderLayer.cpp:3305
#14 0x00007ffff504a076 in WebCore::RenderBox::scroll (this=0x26b7bc8, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:613
#15 0x00007ffff504a163 in WebCore::RenderBox::scroll (this=0x26b7288, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:624
#16 0x00007ffff504a163 in WebCore::RenderBox::scroll (this=0x26b75e8, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:624
#17 0x00007ffff504a163 in WebCore::RenderBox::scroll (this=0x325f638, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:624
#18 0x00007ffff504a163 in WebCore::RenderBox::scroll (this=0x325f9f8, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:624
#19 0x00007ffff504a163 in WebCore::RenderBox::scroll (this=0x32600c8, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:624
#20 0x00007ffff504a163 in WebCore::RenderBox::scroll (this=0x26a6618, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:624
#21 0x00007ffff504a163 in WebCore::RenderBox::scroll (this=0x323a1b8, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:624
#22 0x00007ffff504a163 in WebCore::RenderBox::scroll (this=0x3299688, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:624
#23 0x00007ffff504a163 in WebCore::RenderBox::scroll (this=0x3284c68, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:624
#24 0x00007ffff504a163 in WebCore::RenderBox::scroll (this=0x3285b58, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:624
#25 0x00007ffff504a163 in WebCore::RenderBox::scroll (this=0x3285df8, direction=WebCore::ScrollDown, granularity=WebCore::ScrollByPixel, multiplier=60, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/rendering/RenderBox.cpp:624
#26 0x00007ffff4ddb2ff in WebCore::scrollNode (delta=-60, granularity=WebCore::ScrollByPixel, positiveDirection=WebCore::ScrollUp, negativeDirection=WebCore::ScrollDown, node=0x2cec270, stopNode=0x7fffffffc3c0) at /src/webkit/Source/WebCore/page/EventHandler.cpp:276
#27 0x00007ffff4de3d76 in WebCore::EventHandler::defaultWheelEventHandler (this=0x5e0528, startNode=0x2cec270, wheelEvent=0x39939d0) at /src/webkit/Source/WebCore/page/EventHandler.cpp:2374
#28 0x00007ffff496b079 in WebCore::Node::defaultEventHandler (this=0x2cec270, event=0x39939d0) at /src/webkit/Source/WebCore/dom/Node.cpp:2492
#29 0x00007ffff493237a in WebCore::EventDispatcher::dispatchEventPostProcess (this=0x7fffffffc660, event=..., preDispatchEventHandlerResult=0x0) at /src/webkit/Source/WebCore/dom/EventDispatcher.cpp:354
#30 0x00007ffff4931d50 in WebCore::EventDispatcher::dispatchEvent (this=0x7fffffffc660, prpEvent=...) at /src/webkit/Source/WebCore/dom/EventDispatcher.cpp:269
#31 0x00007ffff492f974 in WebCore::EventDispatchMediator::dispatchEvent (this=0x2198450, dispatcher=0x7fffffffc660) at /src/webkit/Source/WebCore/dom/EventDispatchMediator.cpp:52
#32 0x00007ffff49cb646 in WebCore::WheelEventDispatchMediator::dispatchEvent (this=0x2198450, dispatcher=0x7fffffffc660) at /src/webkit/Source/WebCore/dom/WheelEvent.cpp:132
#33 0x00007ffff4930b61 in WebCore::EventDispatcher::dispatchEvent (node=0x2cec270, mediator=...) at /src/webkit/Source/WebCore/dom/EventDispatcher.cpp:135
#34 0x00007ffff496aa4a in WebCore::Node::dispatchWheelEvent (this=0x2cec270, event=...) at /src/webkit/Source/WebCore/dom/Node.cpp:2407
#35 0x00007ffff4de3c19 in WebCore::EventHandler::handleWheelEvent (this=0x5e0528, e=...) at /src/webkit/Source/WebCore/page/EventHandler.cpp:2348

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