Application: konqueror (4.6.5 (4.6.5))
KDE Platform Version: 4.6.5 (4.6.5)
Qt Version: 4.7.3
Operating System: Linux 3.1.0-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (wheezy)

-- Information about the crash:
- What I was doing when the application crashed:

acid3.acidtests.org. Seems to fail around 72/100 where it reaches this point and browser crashes
- Custom settings of the application:
Using konqueror kpart-webkit. debian testing 29.12.11

The crash can be reproduced every time.

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fae504f7760 (LWP 4886))]

Thread 3 (Thread 0x7fae31c44700 (LWP 5624)):
#0  0x00007fff9936e98f in clock_gettime ()
#1  0x00007fae48c2ce86 in clock_gettime () from /lib/x86_64-linux-gnu/librt.so.1
#2  0x00007fae4d7a07f4 in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007fae4d8622cd in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007fae4d862603 in ?? () from /usr/lib/libQtCore.so.4
#5  0x00007fae4d86106c in ?? () from /usr/lib/libQtCore.so.4
#6  0x00007fae4d861115 in ?? () from /usr/lib/libQtCore.so.4
#7  0x00007fae48978672 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fae4897946d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fae48979a99 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fae4d861b26 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#11 0x00007fae4d8361c2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#12 0x00007fae4d8363bf in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#13 0x00007fae4d74e1ef in QThread::exec() () from /usr/lib/libQtCore.so.4
#14 0x00007fae4d8191ef in ?? () from /usr/lib/libQtCore.so.4
#15 0x00007fae4d750c05 in ?? () from /usr/lib/libQtCore.so.4
#16 0x00007fae49448b50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#17 0x00007fae4fd793bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#18 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fae2b6fb700 (LWP 5651)):
#0  0x00007fae4944d2d4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fae2dfbfbc7 in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007fae2dfbfd29 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007fae49448b50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007fae4fd793bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fae504f7760 (LWP 4886)):
[KCrash Handler]
#6  0x00007fae4ac85684 in QHostAddress::isNull() const () from /usr/lib/libQtNetwork.so.4
#7  0x00007fae2eaeb050 in ?? () from /usr/lib/libkwebkit.so.1
#8  0x00007fae2eaeb360 in ?? () from /usr/lib/libkwebkit.so.1
#9  0x00007fae2ead708e in ?? () from /usr/lib/libkwebkit.so.1
#10 0x00007fae2ead9fc7 in ?? () from /usr/lib/libkwebkit.so.1
#11 0x00007fae4d849b1a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#12 0x00007fae2dd2816f in QWebPage::saveFrameStateRequested(QWebFrame*, QWebHistoryItem*) () from /usr/lib/libQtWebKit.so.4
#13 0x00007fae2dd08bce in ?? () from /usr/lib/libQtWebKit.so.4
#14 0x00007fae2dada719 in ?? () from /usr/lib/libQtWebKit.so.4
#15 0x00007fae2dad03bc in ?? () from /usr/lib/libQtWebKit.so.4
#16 0x00007fae2dd2dc1b in QWebPage::~QWebPage() () from /usr/lib/libQtWebKit.so.4
#17 0x00007fae2eae59a3 in ?? () from /usr/lib/libkwebkit.so.1
#18 0x00007fae2eae59d6 in ?? () from /usr/lib/libkwebkit.so.1
#19 0x00007fae2dd32f6e in ?? () from /usr/lib/libQtWebKit.so.4
#20 0x00007fae2dd32f93 in ?? () from /usr/lib/libQtWebKit.so.4
#21 0x00007fae2dd32cbf in QWebView::~QWebView() () from /usr/lib/libQtWebKit.so.4
#22 0x00007fae2eadff35 in ?? () from /usr/lib/libkwebkit.so.1
#23 0x00007fae2eadff70 in ?? () from /usr/lib/libkwebkit.so.1
#24 0x00007fae4d8489d5 in QObjectPrivate::deleteChildren() () from /usr/lib/libQtCore.so.4
#25 0x00007fae4c9c0403 in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4
#26 0x00007fae4c9c06a9 in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4
#27 0x00007fae4d84d6f8 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#28 0x00007fae4c9c4a5b in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x00007fae4c9749f4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x00007fae4c979881 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x00007fae4e2a4b96 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#32 0x00007fae4d836fbc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#33 0x00007fae4d83a378 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#34 0x00007fae4d861663 in ?? () from /usr/lib/libQtCore.so.4
#35 0x00007fae489790cf in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fae489798c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fae48979a99 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007fae4d861abf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#39 0x00007fae4ca189ce in ?? () from /usr/lib/libQtGui.so.4
#40 0x00007fae4d8361c2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#41 0x00007fae4d8363bf in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#42 0x00007fae4d83a567 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#43 0x00007fae500df1d2 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_konqueror.so
#44 0x00007fae4fcc2ead in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#45 0x0000000000400691 in _start ()

Reported using DrKonqi