Application that crashed: konqueror
Version of the application: 4.2.98 (KDE 4.2.98 (KDE 4.3 RC3))
KDE Version: 4.2.98 (KDE 4.2.98 (KDE 4.3 RC3))
Qt Version: 4.5.1
Operating System: Linux 2.6.28-15-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
konqueror, is reset

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3333)]

Thread 2 (Thread 0xae26db90 (LWP 3613)):
#0  0xb8012430 in __kernel_vsyscall ()
#1  0xb6509412 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66e9344 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7e1458c in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb7e09ac6 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb7e1356e in ?? () from /usr/lib/libQtCore.so.4
#6  0xb65054ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb66da49e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb6013a10 (LWP 3333)):
[KCrash Handler]
#6  0xb78a9a47 in KIO::SimpleJob::url () from /usr/lib/libkio.so.5
#7  0xb7b8477e in KParts::BrowserRun::qt_metacall () from /usr/lib/libkparts.so.4
#8  0xb196fc82 in ?? () from /usr/lib/libkhtml.so.5
#9  0xb7f1da58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#10 0xb7f1e6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb78aa2a9 in KIO::TransferJob::mimetype () from /usr/lib/libkio.so.5
#12 0xb78aad82 in KIO::TransferJob::slotMimetype () from /usr/lib/libkio.so.5
#13 0xb78b1a2d in KIO::TransferJob::qt_metacall () from /usr/lib/libkio.so.5
#14 0xb7f1da58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#15 0xb7f1e6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#16 0xb797a6a3 in KIO::SlaveInterface::mimeType () from /usr/lib/libkio.so.5
#17 0xb797e2ec in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#18 0xb797b067 in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#19 0xb796cddd in KIO::Slave::gotInput () from /usr/lib/libkio.so.5
#20 0xb796f273 in KIO::Slave::qt_metacall () from /usr/lib/libkio.so.5
#21 0xb7f1da58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#22 0xb7f1e6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb7879147 in KIO::Connection::readyRead () from /usr/lib/libkio.so.5
#24 0xb787aab3 in ?? () from /usr/lib/libkio.so.5
#25 0xb787ae96 in KIO::Connection::qt_metacall () from /usr/lib/libkio.so.5
#26 0xb7f166ab in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#27 0xb7f18150 in QObject::event () from /usr/lib/libQtCore.so.4
#28 0xb699fbcc in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#29 0xb69a7ede in QApplication::notify () from /usr/lib/libQtGui.so.4
#30 0xb74d95cd in KApplication::notify () from /usr/lib/libkdeui.so.5
#31 0xb7f077ab in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#32 0xb7f08405 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#33 0xb7f085fd in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#34 0xb7f3358f in ?? () from /usr/lib/libQtCore.so.4
#35 0xb6552b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0xb65560eb in ?? () from /usr/lib/libglib-2.0.so.0
#37 0xb6556268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#38 0xb7f331d8 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#39 0xb6a41765 in ?? () from /usr/lib/libQtGui.so.4
#40 0xb7f05dda in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#41 0xb7f0621a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#42 0xb7f086c9 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#43 0xb699fa47 in QApplication::exec () from /usr/lib/libQtGui.so.4
#44 0xb41a20c8 in kdemain () from /usr/lib/libkdeinit4_konqueror.so
#45 0x0804e27d in _start ()

Reported using DrKonqi