Version:            (using KDE 4.1.96)
OS:                Linux
Installed from:    Ubuntu Packages

I had a crash in konqueror when I was writing something in the search box of youtube. 
Suddenly when the autocompletion feature of youtube search appeared, I had some lag and then the crash.
I can`t reproduce it.

Here is the backtrace.


Application: Konqueror (konqueror), signal SIGSEGV
0x00007fb7693bc621 in nanosleep () from /lib/libc.so.6
[Current thread is 0 (LWP 28857)]

Thread 2 (Thread 0x4215c950 (LWP 28899)):
#0  0x00007fb7693f3482 in select () from /lib/libc.so.6
#1  0x00007fb76ba13006 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007fb76b94a362 in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007fb7681a03ea in start_thread () from /lib/libpthread.so.0
#4  0x00007fb7693fac6d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb76e42e6f0 (LWP 28857)):
[KCrash Handler]
#5  0x00007fb75ee4ce07 in khtml::RenderTableCell::collapsedTopBorder
(this=0x2e22ca0) at
/build/buildd/kde4libs-4.1.96/khtml/rendering/render_table.h:403
#6  0x00007fb75ee4d175 in khtml::RenderTableCell::borderTop
(this=0x7fff7645df20) at
/build/buildd/kde4libs-4.1.96/khtml/rendering/render_table.cpp:2809
#7  0x00007fb75ee2ebd7 in khtml::RenderBox::overflowClipRect (this=0x2e22ca0,
tx=<value optimized out>, ty=80) at
/build/buildd/kde4libs-4.1.96/khtml/rendering/render_box.cpp:841
#8  0x00007fb75ee4034f in khtml::RenderLayer::calculateRects (this=0x2e22d78,
rootLayer=<value optimized out>, paintDirtyRect=<value optimized out>,
layerBounds=@0x7fff7645e140, 
    backgroundRect=@0x7fff7645e130, foregroundRect=@0x7fff7645e120) at
/build/buildd/kde4libs-4.1.96/khtml/rendering/render_layer.cpp:1304
#9  0x00007fb75ee405d0 in khtml::RenderLayer::repaint (this=0x2e22d78,
p=HighPriority, markForRepaint=false) at
/build/buildd/kde4libs-4.1.96/khtml/rendering/render_layer.cpp:225
#10 0x00007fb75ee4050e in khtml::RenderLayer::repaint (this=0x1e53370,
p=HighPriority, markForRepaint=false) at
/build/buildd/kde4libs-4.1.96/khtml/rendering/render_layer.cpp:223
#11 0x00007fb75ee2c1be in khtml::RenderContainer::setStyle
(this=0x7fff7645df20, _style=0x7fff7645def0) at
/build/buildd/kde4libs-4.1.96/khtml/rendering/render_container.cpp:232
#12 0x00007fb75ee2fcfe in khtml::RenderBox::setStyle (this=0x1e53260,
_style=0x2615d60) at
/build/buildd/kde4libs-4.1.96/khtml/rendering/render_box.cpp:153
#13 0x00007fb75ee0ec49 in khtml::RenderBlock::setStyle (this=0x1e53260,
_style=0x7fff7645def0) at
/build/buildd/kde4libs-4.1.96/khtml/rendering/render_block.cpp:123
#14 0x00007fb75ee4bee0 in khtml::RenderTable::setStyle (this=0x1e53260,
_style=0x7fff7645def0) at
/build/buildd/kde4libs-4.1.96/khtml/rendering/render_table.cpp:89
#15 0x00007fb75ed766a0 in DOM::ElementImpl::recalcStyle (this=0x2c46d20,
change=DOM::NodeImpl::NoChange) at
/build/buildd/kde4libs-4.1.96/khtml/xml/dom_elementimpl.cpp:947
#16 0x00007fb75edc10f9 in DOM::HTMLElementImpl::recalcStyle
(this=0x7fff7645df20, ch=1984290544) at
/build/buildd/kde4libs-4.1.96/khtml/html/html_elementimpl.cpp:269
#17 0x00007fb75ed766ee in DOM::ElementImpl::recalcStyle (this=0x2003b80,
change=DOM::NodeImpl::NoChange) at
/build/buildd/kde4libs-4.1.96/khtml/xml/dom_elementimpl.cpp:967
#18 0x00007fb75edc10f9 in DOM::HTMLElementImpl::recalcStyle
(this=0x7fff7645df20, ch=1984290544) at
/build/buildd/kde4libs-4.1.96/khtml/html/html_elementimpl.cpp:269
#19 0x00007fb75ed766ee in DOM::ElementImpl::recalcStyle (this=0x1e5c1f0,
change=DOM::NodeImpl::NoChange) at
/build/buildd/kde4libs-4.1.96/khtml/xml/dom_elementimpl.cpp:967
#20 0x00007fb75edc10f9 in DOM::HTMLElementImpl::recalcStyle
(this=0x7fff7645df20, ch=1984290544) at
/build/buildd/kde4libs-4.1.96/khtml/html/html_elementimpl.cpp:269
#21 0x00007fb75ed5a29f in DOM::DocumentImpl::recalcStyle (this=0x47caa50,
change=DOM::NodeImpl::NoChange) at
/build/buildd/kde4libs-4.1.96/khtml/xml/dom_docimpl.cpp:1447
#22 0x00007fb75ed5cc3c in DOM::DocumentImpl::updateLayout (this=0x47caa50) at
/build/buildd/kde4libs-4.1.96/khtml/xml/dom_docimpl.cpp:1505
#23 0x00007fb75ef0f502 in KJS::DOMNode::getValueProperty (this=0x7fb759ac3780,
exec=0x7fff7645ef00, token=6) at
/build/buildd/kde4libs-4.1.96/khtml/ecma/kjs_dom.cpp:356
#24 0x00007fb75e66a0b0 in KJS::JSObject::get (this=0x7fb759ac3780,
exec=0x7fff7645ef00, propertyName=@0x7fff7645edf0) at
/build/buildd/kde4libs-4.1.96/kjs/property_slot.h:46
#25 0x00007fb75e681aba in KJS::Machine::runBlock (exec=0x7fff7645ef00,
codeBlock=<value optimized out>, parentExec=0x7fff7645fa00) at codes.def:715
#26 0x00007fb75e666e3f in KJS::FunctionImp::callAsFunction
(this=0x7fb759ac4780, exec=0x7fff7645fa00, thisObj=<value optimized out>,
args=@0x7fff7645f950)
    at /build/buildd/kde4libs-4.1.96/kjs/function.cpp:144
#27 0x00007fb75e66a8e9 in KJS::JSObject::call (this=0x7fff7645df20,
exec=0x3c76060, thisObj=0x6, args=@0x1) at
/build/buildd/kde4libs-4.1.96/kjs/object.cpp:99
#28 0x00007fb75e684f5e in KJS::Machine::runBlock (exec=0x7fff7645fa00,
codeBlock=<value optimized out>, parentExec=0x7fff76460500) at codes.def:1192
#29 0x00007fb75e666e3f in KJS::FunctionImp::callAsFunction
(this=0x7fb759ac5600, exec=0x7fff76460500, thisObj=<value optimized out>,
args=@0x7fff76460450)
    at /build/buildd/kde4libs-4.1.96/kjs/function.cpp:144
#30 0x00007fb75e66a8e9 in KJS::JSObject::call (this=0x7fff7645df20,
exec=0x3c76060, thisObj=0x6, args=@0x1) at
/build/buildd/kde4libs-4.1.96/kjs/object.cpp:99
#31 0x00007fb75e684f5e in KJS::Machine::runBlock (exec=0x7fff76460500,
codeBlock=<value optimized out>, parentExec=0x7fff76461000) at codes.def:1192
#32 0x00007fb75e666e3f in KJS::FunctionImp::callAsFunction
(this=0x7fb759ac4d00, exec=0x7fff76461000, thisObj=<value optimized out>,
args=@0x7fff76460f50)
    at /build/buildd/kde4libs-4.1.96/kjs/function.cpp:144
#33 0x00007fb75e66a8e9 in KJS::JSObject::call (this=0x7fff7645df20,
exec=0x3c76060, thisObj=0x6, args=@0x1) at
/build/buildd/kde4libs-4.1.96/kjs/object.cpp:99
#34 0x00007fb75e684f5e in KJS::Machine::runBlock (exec=0x7fff76461000,
codeBlock=<value optimized out>, parentExec=0x7fff76461bd0) at codes.def:1192
#35 0x00007fb75e666e3f in KJS::FunctionImp::callAsFunction
(this=0x7fb759ac4b80, exec=0x7fff76461bd0, thisObj=<value optimized out>,
args=@0x7fff764611f0)
    at /build/buildd/kde4libs-4.1.96/kjs/function.cpp:144
#36 0x00007fb75e66a8e9 in KJS::JSObject::call (this=0x7fff7645df20,
exec=0x3c76060, thisObj=0x6, args=@0x1) at
/build/buildd/kde4libs-4.1.96/kjs/object.cpp:99
#37 0x00007fb75e64da2a in KJS::FunctionProtoFunc::callAsFunction (this=<value
optimized out>, exec=0x7fff76461bd0, thisObj=0x7fb759ac4b80, args=@0x4)
    at /build/buildd/kde4libs-4.1.96/kjs/function_object.cpp:123
#38 0x00007fb75e66a8e9 in KJS::JSObject::call (this=0x7fff7645df20,
exec=0x3c76060, thisObj=0x6, args=@0x1) at
/build/buildd/kde4libs-4.1.96/kjs/object.cpp:99
#39 0x00007fb75e684f5e in KJS::Machine::runBlock (exec=0x7fff76461bd0,
codeBlock=<value optimized out>, parentExec=0x7fff76462840) at codes.def:1192
#40 0x00007fb75e666e3f in KJS::FunctionImp::callAsFunction
(this=0x7fb759ac4b00, exec=0x7fff76462840, thisObj=<value optimized out>,
args=@0x7fff76462620)
    at /build/buildd/kde4libs-4.1.96/kjs/function.cpp:144
#41 0x00007fb75e66a8e9 in KJS::JSObject::call (this=0x7fff7645df20,
exec=0x3c76060, thisObj=0x6, args=@0x1) at
/build/buildd/kde4libs-4.1.96/kjs/object.cpp:99
#42 0x00007fb75e684f5e in KJS::Machine::runBlock (exec=0x7fff76462840,
codeBlock=<value optimized out>, parentExec=0x0) at codes.def:1192
#43 0x00007fb75e63be79 in KJS::FunctionBodyNode::execute (this=0x2a9e2e0,
exec=0x7fff76462840) at /build/buildd/kde4libs-4.1.96/kjs/nodes.cpp:927
#44 0x00007fb75e66d347 in KJS::Interpreter::evaluate (this=0x1660e90,
sourceURL=@0x7fff76462ac0, startingLineNumber=0, code=0x2b309a0,
codeLength=260, thisV=0x7fb76e280000)
    at /build/buildd/kde4libs-4.1.96/kjs/interpreter.cpp:550
#45 0x00007fb75e66d403 in KJS::Interpreter::evaluate (this=0x7fff7645def0,
sourceURL=@0x6, startingLineNumber=1, code=<value optimized out>, thisV=<value
optimized out>)
    at /build/buildd/kde4libs-4.1.96/kjs/interpreter.cpp:493
#46 0x00007fb75ef586e1 in KJS::KJSProxyImpl::evaluate (this=0x13e3f80,
filename=<value optimized out>, baseLine=0, str=@0x7fff76462b70, n=<value
optimized out>, completion=0x0)
    at /build/buildd/kde4libs-4.1.96/khtml/ecma/kjs_proxy.cpp:158
#47 0x00007fb75edbce65 in DOM::HTMLScriptElementImpl::evaluateScript
(this=<value optimized out>, URL=@0x7fff76462bd0, script=<value optimized out>)
    at /build/buildd/kde4libs-4.1.96/khtml/html/html_headimpl.cpp:479
#48 0x00007fb75edbd126 in DOM::HTMLScriptElementImpl::notifyFinished
(this=0x3e2f280, o=<value optimized out>) at
/build/buildd/kde4libs-4.1.96/khtml/html/html_headimpl.cpp:463
#49 0x00007fb75eed39df in khtml::CachedScript::checkNotify (this=0x2d64050) at
/build/buildd/kde4libs-4.1.96/khtml/misc/loader.cpp:387
#50 0x00007fb75eed70f4 in khtml::CachedScript::data (this=0x2d64050,
buffer=<value optimized out>, eof=<value optimized out>) at
/build/buildd/kde4libs-4.1.96/khtml/misc/loader.cpp:379
#51 0x00007fb75eed6d6d in khtml::Loader::slotFinished (this=0x133f860,
job=0x14def30) at /build/buildd/kde4libs-4.1.96/khtml/misc/loader.cpp:1402
#52 0x00007fb75eedcb87 in khtml::Loader::qt_metacall (this=0x133f860,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff76462e90)
    at /build/buildd/kde4libs-4.1.96/obj-x86_64-linux-gnu/khtml/loader.moc:129
#53 0x00007fb76ba47134 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#54 0x00007fb76c0798e2 in KJob::result (this=0x7fff7645df20, _t1=0x14def30) at
/build/buildd/kde4libs-4.1.96/obj-x86_64-linux-gnu/kdecore/kjob.moc:186
#55 0x00007fb76c079caf in KJob::emitResult (this=0x14def30) at
/build/buildd/kde4libs-4.1.96/kdecore/jobs/kjob.cpp:294
#56 0x00007fb76d28a600 in KIO::SimpleJob::slotFinished (this=0x14def30) at
/build/buildd/kde4libs-4.1.96/kio/kio/job.cpp:489
#57 0x00007fb76d28aab3 in KIO::TransferJob::slotFinished (this=0x14def30) at
/build/buildd/kde4libs-4.1.96/kio/kio/job.cpp:957
#58 0x00007fb76d287c25 in KIO::TransferJob::qt_metacall (this=0x14def30,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff76463290)
    at
/build/buildd/kde4libs-4.1.96/obj-x86_64-linux-gnu/kio/jobclasses.moc:336
#59 0x00007fb76ba47134 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#60 0x00007fb76d349701 in KIO::SlaveInterface::dispatch (this=0x243f160,
_cmd=104, rawdata=<value optimized out>) at
/build/buildd/kde4libs-4.1.96/kio/kio/slaveinterface.cpp:175
#61 0x00007fb76d3461f2 in KIO::SlaveInterface::dispatch (this=0x243f160) at
/build/buildd/kde4libs-4.1.96/kio/kio/slaveinterface.cpp:91
#62 0x00007fb76d3383e3 in KIO::Slave::gotInput (this=0x243f160) at
/build/buildd/kde4libs-4.1.96/kio/kio/slave.cpp:322
#63 0x00007fb76d339418 in KIO::Slave::qt_metacall (this=0x243f160,
_c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff764636b0) at
/build/buildd/kde4libs-4.1.96/obj-x86_64-linux-gnu/kio/slave.moc:75
#64 0x00007fb76ba47134 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#65 0x00007fb76d255da0 in KIO::ConnectionPrivate::dequeue (this=0xf24af0) at
/build/buildd/kde4libs-4.1.96/kio/kio/connection.cpp:82
#66 0x00007fb76d255eda in KIO::Connection::qt_metacall (this=0x1fb5dd0,
_c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x1f51260)
    at /build/buildd/kde4libs-4.1.96/obj-x86_64-linux-gnu/kio/connection.moc:72
#67 0x00007fb76ba41da5 in QObject::event () from /usr/lib/libQtCore.so.4
#68 0x00007fb76af54c3d in QApplicationPrivate::notify_helper () from
/usr/lib/libQtGui.so.4
#69 0x00007fb76af5c9ba in QApplication::notify () from /usr/lib/libQtGui.so.4
#70 0x00007fb76c85e3cb in KApplication::notify (this=0x7fff764642e0,
receiver=0x1fb5dd0, event=0x1c254c0) at
/build/buildd/kde4libs-4.1.96/kdeui/kernel/kapplication.cpp:307
#71 0x00007fb76ba32d61 in QCoreApplication::notifyInternal () from
/usr/lib/libQtCore.so.4
#72 0x00007fb76ba339fa in QCoreApplicationPrivate::sendPostedEvents () from
/usr/lib/libQtCore.so.4
#73 0x00007fb76ba5b4d3 in ?? () from /usr/lib/libQtCore.so.4
#74 0x00007fb7670c4d3b in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#75 0x00007fb7670c850d in ?? () from /usr/lib/libglib-2.0.so.0
#76 0x00007fb7670c86cb in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#77 0x00007fb76ba5b15f in QEventDispatcherGlib::processEvents () from
/usr/lib/libQtCore.so.4
#78 0x00007fb76afe6a6f in ?? () from /usr/lib/libQtGui.so.4
#79 0x00007fb76ba31682 in QEventLoop::processEvents () from
/usr/lib/libQtCore.so.4
#80 0x00007fb76ba3180d in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#81 0x00007fb76ba33cbd in QCoreApplication::exec () from
/usr/lib/libQtCore.so.4
#82 0x00007fb76e01bf69 in kdemain () from /usr/lib/libkdeinit4_konqueror.so
#83 0x00007fb769332466 in __libc_start_main () from /lib/libc.so.6
#84 0x00000000004007a9 in _start ()