Version:           4.1.96 (KDE 4.1.96 (KDE 4.2 RC1)) (using 4.1.96 (KDE 4.1.96 (KDE 4.2 RC1)), Kubuntu packages)
Compiler:          cc
OS:                Linux (i686) release 2.6.27-9-generic

This is the stacktrace:

Aplicación: Konqueror (konqueror), señal SIGABRT
[Current thread is 0 (LWP 6769)]

Thread 3 (Thread 0xb208cb90 (LWP 7458)):
#0  0xb7f6f430 in __kernel_vsyscall ()
#1  0xb63163a2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb6553a44 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb717d6cc in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb7172886 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb717c6ae in ?? () from /usr/lib/libQtCore.so.4
#6  0xb631250f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb65457ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xafdfeb90 (LWP 7463)):
#0  0xb7f6f430 in __kernel_vsyscall ()
#1  0xb653dc01 in select () from /lib/tls/i686/cmov/libc.so.6
#2  0xb724c150 in ?? () from /usr/lib/libQtCore.so.4
#3  0xb717c6ae in ?? () from /usr/lib/libQtCore.so.4
#4  0xb631250f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb65457ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5f0e6c0 (LWP 6769)):
[KCrash Handler]
#6  0xb7f6f430 in __kernel_vsyscall ()
#7  0xb648f880 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb6491248 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb64d3423 in ?? () from /lib/tls/i686/cmov/libc.so.6
#10 0xb64d53f5 in free () from /lib/tls/i686/cmov/libc.so.6
#11 0xb7176f2d in qFree () from /usr/lib/libQtCore.so.4
#12 0xb742658b in ~KFilterDev (this=0xacd6730) at /usr/include/qt4/QtCore/qbytearray.h:364
#13 0xb3d96c8f in ~KHTMLPageCacheEntry (this=0xab54c78) at /build/buildd/kde4libs-4.1.96/khtml/khtml_pagecache.cpp:94
#14 0xb3d97f4a in KHTMLPageCache::createCacheEntry (this=0x8718ba0) at /build/buildd/kde4libs-4.1.96/khtml/khtml_pagecache.cpp:158
#15 0xb3d46684 in KHTMLPart::slotData (this=0x8cc4340, kio_job=0xaef8b20, data=@0xbff70b74) at /build/buildd/kde4libs-4.1.96/khtml/khtml_part.cpp:1682
#16 0xb3d69677 in KHTMLPart::qt_metacall (this=0x8cc4340, _c=QMetaObject::InvokeMetaMethod, _id=19, _a=0xbff708c8) at /build/buildd/kde4libs-4.1.96/obj-i486-linux-gnu/khtml/khtml_part.moc:264
#17 0xb7281a60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xb72827e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#19 0xb7bc2dc9 in KIO::TransferJob::data (this=0xaef8b20, _t1=0xaef8b20, _t2=@0xbff70b74) at /build/buildd/kde4libs-4.1.96/obj-i486-linux-gnu/kio/jobclasses.moc:356
#20 0xb7bc3762 in KIO::TransferJob::slotData (this=0xaef8b20, _data=@0xbff70b74) at /build/buildd/kde4libs-4.1.96/kio/kio/job.cpp:917
#21 0xb7bd16c5 in KIO::TransferJob::qt_metacall (this=0xaef8b20, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbff709ec) at /build/buildd/kde4libs-4.1.96/obj-i486-linux-gnu/kio/jobclasses.moc:337
#22 0xb7281a60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb72827e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#24 0xb7c95ab3 in KIO::SlaveInterface::data (this=0xae6aab8, _t1=@0xbff70b74) at /build/buildd/kde4libs-4.1.96/obj-i486-linux-gnu/kio/slaveinterface.moc:138
#25 0xb7c9988c in KIO::SlaveInterface::dispatch (this=0xae6aab8, _cmd=100, rawdata=@0xbff70b74) at /build/buildd/kde4libs-4.1.96/kio/kio/slaveinterface.cpp:163
#26 0xb7c95e77 in KIO::SlaveInterface::dispatch (this=0xae6aab8) at /build/buildd/kde4libs-4.1.96/kio/kio/slaveinterface.cpp:91
#27 0xb7c8726d in KIO::Slave::gotInput (this=0xae6aab8) at /build/buildd/kde4libs-4.1.96/kio/kio/slave.cpp:322
#28 0xb7c883e3 in KIO::Slave::qt_metacall (this=0xae6aab8, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbff70c88) at /build/buildd/kde4libs-4.1.96/obj-i486-linux-gnu/kio/slave.moc:75
#29 0xb7281a60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#30 0xb72827e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#31 0xb7b913b7 in KIO::Connection::readyRead (this=0xad74b90) at /build/buildd/kde4libs-4.1.96/obj-i486-linux-gnu/kio/connection.moc:84
#32 0xb7b93489 in KIO::ConnectionPrivate::dequeue (this=0xb0d4228) at /build/buildd/kde4libs-4.1.96/kio/kio/connection.cpp:82
#33 0xb7b93616 in KIO::Connection::qt_metacall (this=0xad74b90, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xa2f1ed0) at /build/buildd/kde4libs-4.1.96/obj-i486-linux-gnu/kio/connection.moc:72
#34 0xb727abfb in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#35 0xb727c771 in QObject::event () from /usr/lib/libQtCore.so.4
#36 0xb695d8ec in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#37 0xb696572e in QApplication::notify () from /usr/lib/libQtGui.so.4
#38 0xb780d04d in KApplication::notify (this=0xbff71618, receiver=0xad74b90, event=0xa5eef88) at /build/buildd/kde4libs-4.1.96/kdeui/kernel/kapplication.cpp:307
#39 0xb726ce61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#40 0xb726dae5 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#41 0xb726dcdd in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#42 0xb729782f in ?? () from /usr/lib/libQtCore.so.4
#43 0xb62456f8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#44 0xb6248da3 in ?? () from /usr/lib/libglib-2.0.so.0
#45 0xb6248f61 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#46 0xb7297478 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#47 0xb69f7ea5 in ?? () from /usr/lib/libQtGui.so.4
#48 0xb726b52a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#49 0xb726b6ea in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#50 0xb726dda5 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#51 0xb695d767 in QApplication::exec () from /usr/lib/libQtGui.so.4
#52 0xb7f225f5 in kdemain (argc=2, argv=0xbff71994) at /build/buildd/kdebase-4.1.96/apps/konqueror/src/konqmain.cpp:257
#53 0x080486f2 in main (argc=) at /build/buildd/kdebase-4.1.96/obj-i486-linux-gnu/apps/konqueror/src/konqueror_dummy.cpp:3

I had three tabs open and one of them was loading a youtube video. When the video was starting, Konqueror crashed.