Version:            (using KDE 4.2.0)
OS:                Linux
Installed from:    Ubuntu Packages

I got the following report :

Application : Konqueror (konqueror), signal SIGABRT
[Current thread is 0 (LWP 6455)]

Thread 2 (Thread 0xb19acb90 (LWP 6497)):
#0  0xb8047430 in __kernel_vsyscall ()
#1  0xb6663df1 in select () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7371150 in ?? () from /usr/lib/libQtCore.so.4
#3  0xb72a16ae in ?? () from /usr/lib/libQtCore.so.4
#4  0xb643a50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb666ba0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb6037af0 (LWP 6455)):
[KCrash Handler]
#6  0xb8047430 in __kernel_vsyscall ()
#7  0xb65b58a0 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb65b7268 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb65f9483 in ?? () from /lib/tls/i686/cmov/libc.so.6
#10 0xb65fb455 in free () from /lib/tls/i686/cmov/libc.so.6
#11 0xb729bf2d in qFree () from /usr/lib/libQtCore.so.4
#12 0xb754a3cb in ~KFilterDev (this=0xd0589e8) at /usr/include/qt4/QtCore/qbytearray.h:364
#13 0xb3f6957f in ~KHTMLPageCacheEntry (this=0xbcda648) at /build/buildd/kde4libs-4.2.0/khtml/khtml_pagecache.cpp:94
#14 0xb3f6a614 in KHTMLPageCache::createCacheEntry (this=0x91eb760) at /build/buildd/kde4libs-4.2.0/khtml/khtml_pagecache.cpp:158
#15 0xb3f1bab4 in KHTMLPart::slotData (this=0xcc6b4e8, kio_job=0xcb69050, data=@0xbfe48a24) at /build/buildd/kde4libs-4.2.0/khtml/khtml_part.cpp:1688
#16 0xb3f3ded7 in KHTMLPart::qt_metacall (this=0xcc6b4e8, _c=QMetaObject::InvokeMetaMethod, _id=19, _a=0xbfe48778) at /build/buildd/kde4libs-4.2.0/obj-i486-linux-gnu/khtml/khtml_part.moc:264
#17 0xb73a6a60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xb73a77e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#19 0xb7cbccc9 in KIO::TransferJob::data (this=0xcb69050, _t1=0xcb69050, _t2=@0xbfe48a24) at /build/buildd/kde4libs-4.2.0/obj-i486-linux-gnu/kio/jobclasses.moc:356
#20 0xb7cbd602 in KIO::TransferJob::slotData (this=0xcb69050, _data=@0xbfe48a24) at /build/buildd/kde4libs-4.2.0/kio/kio/job.cpp:917
#21 0xb7cc86f5 in KIO::TransferJob::qt_metacall (this=0xcb69050, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfe4889c) at /build/buildd/kde4libs-4.2.0/obj-i486-linux-gnu/kio/jobclasses.moc:337
#22 0xb73a6a60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb73a77e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#24 0xb7d837c3 in KIO::SlaveInterface::data (this=0x93adab0, _t1=@0xbfe48a24) at /build/buildd/kde4libs-4.2.0/obj-i486-linux-gnu/kio/slaveinterface.moc:138
#25 0xb7d8750c in KIO::SlaveInterface::dispatch (this=0x93adab0, _cmd=100, rawdata=@0xbfe48a24) at /build/buildd/kde4libs-4.2.0/kio/kio/slaveinterface.cpp:163
#26 0xb7d83b87 in KIO::SlaveInterface::dispatch (this=0x93adab0) at /build/buildd/kde4libs-4.2.0/kio/kio/slaveinterface.cpp:91
#27 0xb7d73f4d in KIO::Slave::gotInput (this=0x93adab0) at /build/buildd/kde4libs-4.2.0/kio/kio/slave.cpp:322
#28 0xb7d764a3 in KIO::Slave::qt_metacall (this=0x93adab0, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfe48b38) at /build/buildd/kde4libs-4.2.0/obj-i486-linux-gnu/kio/slave.moc:75
#29 0xb73a6a60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#30 0xb73a77e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#31 0xb7c8cbe7 in KIO::Connection::readyRead (this=0xbb7ee48) at /build/buildd/kde4libs-4.2.0/obj-i486-linux-gnu/kio/connection.moc:84
#32 0xb7c8e553 in KIO::ConnectionPrivate::dequeue (this=0xc3ca108) at /build/buildd/kde4libs-4.2.0/kio/kio/connection.cpp:82
#33 0xb7c8e936 in KIO::Connection::qt_metacall (this=0xbb7ee48, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x9348228) at /build/buildd/kde4libs-4.2.0/obj-i486-linux-gnu/kio/connection.moc:72
#34 0xb739fbfb in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#35 0xb73a1771 in QObject::event () from /usr/lib/libQtCore.so.4
#36 0xb6a828ec in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#37 0xb6a8a72e in QApplication::notify () from /usr/lib/libQtGui.so.4
#38 0xb7913fed in KApplication::notify (this=0xbfe494a8, receiver=0xbb7ee48, event=0xcaed980) at /build/buildd/kde4libs-4.2.0/kdeui/kernel/kapplication.cpp:307
#39 0xb7391e61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#40 0xb7392ae5 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#41 0xb7392cdd in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#42 0xb73bc82f in ?? () from /usr/lib/libQtCore.so.4
#43 0xb636d6f8 in IA__g_main_context_dispatch (context=0x87fea98) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2144
#44 0xb6370da3 in g_main_context_iterate (context=0x87fea98, block=1, dispatch=1, self=0x87fc1d0) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2778
#45 0xb6370f61 in IA__g_main_context_iteration (context=0x87fea98, may_block=1) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2841
#46 0xb73bc478 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#47 0xb6b1cea5 in ?? () from /usr/lib/libQtGui.so.4
#48 0xb739052a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#49 0xb73906ea in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#50 0xb7392da5 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#51 0xb6a82767 in QApplication::exec () from /usr/lib/libQtGui.so.4
#52 0xb7ffb34f in kdemain (argc=2, argv=0xbfe49824) at /build/buildd/kdebase-4.2.0/apps/konqueror/src/konqmain.cpp:257
#53 0x080486f2 in main (argc=) at /build/buildd/kdebase-4.2.0/obj-i486-linux-gnu/apps/konqueror/src/konqueror_dummy.cpp:3