[Webkit-unassigned] [Bug 32922] New: [Qt] fast/text/find-hidden-text.html

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Dec 24 12:05:40 PST 2009 

https://bugs.webkit.org/show_bug.cgi?id=32922

           Summary: [Qt] fast/text/find-hidden-text.html
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit Qt
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: robert at roberthogan.net


In Qt this is failing at:

testNonHiddenTextStyle("position: absolute", "height:0; overflow:scroll");
testNonHiddenTextStyle("position: fixed", "height:0; overflow:scroll");

at

            if (scrollbar->maximum != scrollbar->minimum) {
                uint range = scrollbar->maximum - scrollbar->minimum;
                sliderlen = (qint64(scrollbar->pageStep) * maxlen) / (range +
scrollbar->pageStep);

in qcommonstyle.cpp (Qt rather than WebKit).

The bt for testNonHiddenTextStyle("position: absolute", "height:0;
overflow:scroll");
 is:

(gdb) quit
gdb --interpreter=mi2 -quiet
(gdb) p maxlen
p maxlen
$1 = -48
^done(gdb) p scrollbar->pageStep
p scrollbar->pageStep
$2 = -16
^done(gdb) p range
p range
$3 = <value optimized out>
^done(gdb) p scrollbar->maximum
p scrollbar->maximum
$4 = 16
^done(gdb) p scrollbar->minimum
p scrollbar->minimum
$5 = 0
^done*** Program received signal SIGFPE (Arithmetic exception) ***(gdb) bt
bt
#0 0x0078b59b in __divdi3 (warning: (Internal error: pc 0x78b59b in read in
psymtab, but not in symtab.)
) from /lib/libgcc_s.so.1
#1 0x02df64d2 in QCommonStyle::subControlRect (this=0x810caf0,
cc=QStyle::CC_ScrollBar, opt=0x2947ee0, sc=QStyle::SC_ScrollBarGroove,
widget=0x0) at /var/tmp/qt-x11-src-4.6.0/src/gui/styles/qcommonstyle.cpp:3991
#2 0x01ff3198 in WebCore::ScrollbarThemeQt::trackLength (this=0x2947f48,
scrollbar=0x8216750) at
../../../../WebCore/platform/qt/ScrollbarThemeQt.cpp:226
#3 0x01ff2f5b in WebCore::ScrollbarThemeQt::thumbPosition (this=0x2947f48,
scrollbar=0x8216750) at
../../../../WebCore/platform/qt/ScrollbarThemeQt.cpp:205
#4 0x01e44509 in WebCore::Scrollbar::setCurrentPos (this=0x8216750, pos=16) at
../../../../WebCore/platform/Scrollbar.cpp:269
#5 0x01e43c28 in WebCore::Scrollbar::setValue (this=0x8216750, v=16) at
../../../../WebCore/platform/Scrollbar.cpp:96
#6 0x01f156af in WebCore::RenderLayer::scrollToOffset (this=0x81e353c, x=0,
y=16, updateScrollbars=true, repaint=true) at
../../../../WebCore/rendering/RenderLayer.cpp:1211
#7 0x01f15d39 in WebCore::RenderLayer::scrollRectToVisible (this=0x81e353c,
rect=..., scrollToAnchor=false, alignX=..., alignY=...) at
../../../../WebCore/rendering/RenderLayer.cpp:1260
#8 0x01f160d9 in WebCore::RenderLayer::scrollRectToVisible (this=0x8214d2c,
rect=..., scrollToAnchor=false, alignX=..., alignY=...) at
../../../../WebCore/rendering/RenderLayer.cpp:1294
#9 0x01d9c09a in WebCore::Frame::revealSelection (this=0x818bef8,
alignment=..., revealExtent=false) at ../../../../WebCore/page/Frame.cpp:1363
#10 0x01d9d66a in WebCore::Frame::findString (this=0x818bef8, target=...,
forward=true, caseFlag=false, wrapFlag=true, startInSelection=false) at
../../../../WebCore/page/Frame.cpp:1540
#11 0x01ba1984 in executeFindString (frame=0x818bef8, value=...) at
../../../../WebCore/editing/EditorCommand.cpp:399
#12 0x01ba5869 in WebCore::Editor::Command::execute (this=0xbfffe434,
parameter=..., triggeringEvent=0x0) at
../../../../WebCore/editing/EditorCommand.cpp:1525
#13 0x01ac40d2 in WebCore::Document::execCommand (this=0x81aa148,
commandName=..., userInterface=false, value=...) at
../../../../WebCore/dom/Document.cpp:3365
#14 0x0209468c in WebCore::jsDocumentPrototypeFunctionExecCommand
(exec=0xb7aa7248, thisValue=..., args=...) at
generated/debug/JSDocument.cpp:1876
#15 0x03c4c16e in ?? ()
#16 0x017dd6b7 in JSC::JITCode::execute (this=0x81e95e0,
registerFile=0x81afdfc, callFrame=0xb7aa7050, globalData=0x81ae100,
exception=0x81aebbc) at ../../../../JavaScriptCore/jit/JITCode.h:79
#17 0x017e56ac in JSC::Interpreter::execute (this=0x81afdf0,
functionExecutable=0x81e95d0, callFrame=0x819edf4, function=0xb7a42e00,
thisObj=0xb7a40000, args=..., scopeChain=0x81e9260, exception=0x81aebbc) at
../../../../JavaScriptCore/interpreter/Interpreter.cpp:685
#18 0x0187c219 in JSC::JSFunction::call (this=0xb7a42e00, exec=0x819edf4,
thisValue=..., args=...) at
../../../../JavaScriptCore/runtime/JSFunction.cpp:120
#19 0x0184ec05 in JSC::call (exec=0x819edf4, functionObject=...,
callType=JSC::CallTypeJS, callData=..., thisValue=..., args=...) at
../../../../JavaScriptCore/runtime/CallData.cpp:39
#20 0x01981a5a in WebCore::JSEventListener::handleEvent (this=0x81d99d8,
scriptExecutionContext=0x81aa178, event=0x81c6f70) at
../../../../WebCore/bindings/js/JSEventListener.cpp:113
#21 0x01aff363 in WebCore::EventTarget::fireEventListeners (this=0x81a3648,
event=0x81c6f70) at ../../../../WebCore/dom/EventTarget.cpp:297
#22 0x01d7c36d in WebCore::DOMWindow::dispatchEvent (this=0x81a3648,
prpEvent=..., prpTarget=...) at ../../../../WebCore/page/DOMWindow.cpp:1337
#23 0x01d7bf30 in WebCore::DOMWindow::dispatchLoadEvent (this=0x81a3648) at
../../../../WebCore/page/DOMWindow.cpp:1291
#24 0x01ac1e9a in WebCore::Document::dispatchWindowLoadEvent (this=0x81aa148)
at ../../../../WebCore/dom/Document.cpp:2904
#25 0x01abd49f in WebCore::Document::implicitClose (this=0x81aa148) at
../../../../WebCore/dom/Document.cpp:1730
#26 0x01d0eabe in WebCore::FrameLoader::checkCallImplicitClose (this=0x818bf24)
at ../../../../WebCore/loader/FrameLoader.cpp:1169
#27 0x01d0e887 in WebCore::FrameLoader::checkCompleted (this=0x818bf24) at
../../../../WebCore/loader/FrameLoader.cpp:1117
#28 0x01d0e614 in WebCore::FrameLoader::finishedParsing (this=0x818bf24) at
../../../../WebCore/loader/FrameLoader.cpp:1056
#29 0x01ac74d7 in WebCore::Document::finishedParsing (this=0x81aa148) at
../../../../WebCore/dom/Document.cpp:4061
#30 0x01c6ee3d in WebCore::HTMLParser::finished (this=0x81b2708) at
../../../../WebCore/html/HTMLParser.cpp:1652
#31 0x01c8dc30 in WebCore::HTMLTokenizer::end (this=0x819d228) at
../../../../WebCore/html/HTMLTokenizer.cpp:1868
#32 0x01c8e0a1 in WebCore::HTMLTokenizer::finish (this=0x819d228) at
../../../../WebCore/html/HTMLTokenizer.cpp:1908
#33 0x01abdbc4 in WebCore::Document::finishParsing (this=0x81aa148) at
../../../../WebCore/dom/Document.cpp:1878
#34 0x01d0dd58 in WebCore::FrameLoader::endIfNotLoadingMainResource
(this=0x818bf24) at ../../../../WebCore/loader/FrameLoader.cpp:959
#35 0x01d0dcb1 in WebCore::FrameLoader::end (this=0x818bf24) at
../../../../WebCore/loader/FrameLoader.cpp:944
#36 0x01cfb7aa in WebCore::DocumentLoader::finishedLoading (this=0x81a5758) at
../../../../WebCore/loader/DocumentLoader.cpp:330
#37 0x01d172eb in WebCore::FrameLoader::finishedLoading (this=0x818bf24) at
../../../../WebCore/loader/FrameLoader.cpp:2733
#38 0x01d3ceba in WebCore::MainResourceLoader::didFinishLoading
(this=0x81a6338) at ../../../../WebCore/loader/MainResourceLoader.cpp:424
#39 0x01d48cfa in WebCore::ResourceLoader::didFinishLoading (this=0x81a6338) at
../../../../WebCore/loader/ResourceLoader.cpp:403
#40 0x01fda6ed in WebCore::QNetworkReplyHandler::finish (this=0x81a7440) at
../../../../WebCore/platform/network/qt/QNetworkReplyHandler.cpp:245
#41 0x01fdc7c1 in WebCore::QNetworkReplyHandler::qt_metacall (this=0x81a7440,
_c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x81a6248) at
./moc_QNetworkReplyHandler.cpp:82
#42 0x00591fbb in QMetaObject::metacall(QObject*, QMetaObject::Call, int,
void**) () from /home/robert/qtsdk-2009.05/qt/lib/libQtCore.so.4
#43 0x0059c296 in QMetaCallEvent::placeMetaCall(QObject*) () from
/home/robert/qtsdk-2009.05/qt/lib/libQtCore.so.4
#44 0x0059e028 in QObject::event(QEvent*) () from
/home/robert/qtsdk-2009.05/qt/lib/libQtCore.so.4
#45 0x02aa354f in QApplicationPrivate::notify_helper (this=0x81307b0,
receiver=0x81a7440, e=0x81a4188) at
/var/tmp/qt-x11-src-4.6.0/src/gui/kernel/qapplication.cpp:4242
#46 0x02aa7711 in QApplication::notify (this=0xbffff6d4, receiver=0x81a7440,
e=0x81a4188) at /var/tmp/qt-x11-src-4.6.0/src/gui/kernel/qapplication.cpp:3661
#47 0x0058b9db in QCoreApplication::notifyInternal(QObject*, QEvent*) () from
/home/robert/qtsdk-2009.05/qt/lib/libQtCore.so.4
#48 0x0058c8fe in QCoreApplicationPrivate::sendPostedEvents(QObject*, int,
QThreadData*) () from /home/robert/qtsdk-2009.05/qt/lib/libQtCore.so.4
#49 0x0058cbad in QCoreApplication::sendPostedEvents(QObject*, int) () from
/home/robert/qtsdk-2009.05/qt/lib/libQtCore.so.4
#50 0x005b924f in postEventSourceDispatch(_GSource*, int (*)(void*), void*)
(warning: (Internal error: pc 0x5b924e in read in psymtab, but not in symtab.)
) from /home/robert/qtsdk-2009.05/qt/lib/libQtCore.so.4
#51 0x00b9ee88 in g_main_context_dispatch (warning: (Internal error: pc
0xb9ee87 in read in psymtab, but not in symtab.)
) from /lib/libglib-2.0.so.0

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