Application that crashed: konqueror
Version of the application: 4.3.4 (KDE 4.3.4)
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.32-ARCH x86_64

What I was doing when the application crashed:
I am experiencing frequent crashes when using Konqueror to browse the web. The attached stack trace is from a session where I opened several tabs and then it suddenly crashed.

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fd2b455a760 (LWP 5228))]

Thread 3 (Thread 0x7fd29d2cf710 (LWP 5229)):
#0  0x00007fd2b1708503 in select () from /lib/libc.so.6
#1  0x00007fd29c53f4fe in sys_select_intr () from /lib/libnss_wins.so.2
#2  0x00007fd29c4a1b40 in receive_packet () from /lib/libnss_wins.so.2
#3  0x00007fd29c4a1c6c in receive_nmb_packet () from /lib/libnss_wins.so.2
#4  0x00007fd29c4a3adc in name_query () from /lib/libnss_wins.so.2
#5  0x00007fd29c442029 in _nss_wins_gethostbyname_r () from /lib/libnss_wins.so.2
#6  0x00007fd2b17258d9 in gethostbyname2_r@@GLIBC_2.2.5 () from /lib/libc.so.6
#7  0x00007fd2b16fb1e6 in gaih_inet () from /lib/libc.so.6
#8  0x00007fd2b16fcfff in getaddrinfo () from /lib/libc.so.6
#9  0x00007fd2b04393c0 in ?? () from /usr/lib/libQtNetwork.so.4
#10 0x00007fd2b042edd2 in QHostInfo::fromName(QString const&) () from /usr/lib/libQtNetwork.so.4
#11 0x00007fd2b3024fcb in QtConcurrent::StoredFunctorCall1<QHostInfo, QHostInfo (*)(QString const&), QString>::runFunctor() () from /usr/lib/libkio.so.5
#12 0x00007fd2b30256e7 in QtConcurrent::RunFunctionTask<QHostInfo>::run() () from /usr/lib/libkio.so.5
#13 0x00007fd2b3facc64 in ?? () from /usr/lib/libQtCore.so.4
#14 0x00007fd2b3fb5ba5 in ?? () from /usr/lib/libQtCore.so.4
#15 0x00007fd2b3d4681a in start_thread () from /lib/libpthread.so.0
#16 0x00007fd2b170ec7d in clone () from /lib/libc.so.6
#17 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd295fb2710 (LWP 5230)):
#0  0x00007fd2b3d4b3e9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fd2b3fb6bd2 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007fd2b3facd32 in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007fd2b3fb5ba5 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007fd2b3d4681a in start_thread () from /lib/libpthread.so.0
#5  0x00007fd2b170ec7d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd2b455a760 (LWP 5228)):
[KCrash Handler]
#5  0x00007fd2a1658370 in DOM::DocumentImpl::view() const () from /usr/lib/libkhtml.so.5
#6  0x00007fd2a187de4b in KJS::XMLHttpRequest::changeState(KJS::XMLHttpRequestState) () from /usr/lib/libkhtml.so.5
#7  0x00007fd2a187fc5e in KJS::XMLHttpRequest::slotData(KIO::Job*, QByteArray const&) () from /usr/lib/libkhtml.so.5
#8  0x00007fd2a1880ae4 in KJS::XMLHttpRequestQObject::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkhtml.so.5
#9  0x00007fd2b40afd3c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#10 0x00007fd2b2f551b4 in KIO::TransferJob::data(KIO::Job*, QByteArray const&) () from /usr/lib/libkio.so.5
#11 0x00007fd2b2f5aa36 in KIO::TransferJob::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#12 0x00007fd2b40afd3c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#13 0x00007fd2b3018e62 in KIO::SlaveInterface::data(QByteArray const&) () from /usr/lib/libkio.so.5
#14 0x00007fd2b301c9a8 in KIO::SlaveInterface::dispatch(int, QByteArray const&) () from /usr/lib/libkio.so.5
#15 0x00007fd2b3019123 in KIO::SlaveInterface::dispatch() () from /usr/lib/libkio.so.5
#16 0x00007fd2b300bf4d in KIO::Slave::gotInput() () from /usr/lib/libkio.so.5
#17 0x00007fd2b300e06c in KIO::Slave::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#18 0x00007fd2b40afd3c in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#19 0x00007fd2b2f28d97 in KIO::ConnectionPrivate::dequeue() () from /usr/lib/libkio.so.5
#20 0x00007fd2b2f28ebd in KIO::Connection::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#21 0x00007fd2b40aa059 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#22 0x00007fd2b1e3607c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#23 0x00007fd2b1e3d34e in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x00007fd2b2a698f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#25 0x00007fd2b409abfc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#26 0x00007fd2b409b80a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#27 0x00007fd2b40c3583 in ?? () from /usr/lib/libQtCore.so.4
#28 0x00007fd2b0d9326e in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#29 0x00007fd2b0d96c28 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#30 0x00007fd2b0d96d50 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#31 0x00007fd2b40c3123 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0x00007fd2b1ec914e in ?? () from /usr/lib/libQtGui.so.4
#33 0x00007fd2b4099532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x00007fd2b4099904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#35 0x00007fd2b409bab9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#36 0x00007fd2a7dc9363 in kdemain () from /usr/lib/libkdeinit4_konqueror.so
#37 0x0000000000406eae in _start ()

Reported using DrKonqi