Application that crashed: kontact
Version of the application: 4.3.0 rc1
KDE Version: 4.2.95 (KDE 4.2.95 (KDE 4.3 RC1))
Qt Version: 4.5.1
Operating System: Linux 2.6.28-13-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Sometimes Kontact crashes when clicking on tabs in Akregator. Does not happen with al tabs (debugging packages didn't want to install in via crashreport Assistant)

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 0 (LWP 4107)]

Thread 2 (Thread 0xaa2e8b90 (LWP 4908)):
#0  0xb7f97430 in __kernel_vsyscall ()
#1  0xb5100412 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb5920344 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb5b0358c in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb5af8ac6 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb5b0256e in ?? () from /usr/lib/libQtCore.so.4
#6  0xb50fc4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb591149e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb4814b30 (LWP 4107)):
[KCrash Handler]
#6  0xaa3ef209 in ?? () from /usr/lib/kde4/akregatorpart.so
#7  0xaa4177cb in ?? () from /usr/lib/kde4/akregatorpart.so
#8  0xaa417cb4 in ?? () from /usr/lib/kde4/akregatorpart.so
#9  0xaa4195db in ?? () from /usr/lib/kde4/akregatorpart.so
#10 0xb5c0ca58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb5c0d6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xaa3ef6e9 in ?? () from /usr/lib/kde4/akregatorpart.so
#13 0xaa3ef972 in ?? () from /usr/lib/kde4/akregatorpart.so
#14 0xaa3f0991 in ?? () from /usr/lib/kde4/akregatorpart.so
#15 0xaa3f5b5a in ?? () from /usr/lib/kde4/akregatorpart.so
#16 0xb5c0ca58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#17 0xb5c0d6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xb711a7a3 in KParts::Part::setWindowCaption () from /usr/lib/libkparts.so.4
#19 0xb711e11c in KParts::Part::qt_metacall () from /usr/lib/libkparts.so.4
#20 0xb711e19a in KParts::ReadOnlyPart::qt_metacall () from /usr/lib/libkparts.so.4
#21 0xa9a1c55a in ?? () from /usr/lib/kde4/gvpart.so
#22 0xb5c0ca58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb5c0d6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#24 0xa98a2d53 in Gwenview::DocumentView::captionUpdateRequested () from /usr/lib/libgwenviewlib.so.4
#25 0xa98a66a5 in ?? () from /usr/lib/libgwenviewlib.so.4
#26 0xa98a4ffc in Gwenview::DocumentView::qt_metacall () from /usr/lib/libgwenviewlib.so.4
#27 0xb5c0ca58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#28 0xb5c0d6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#29 0xa98a28df in Gwenview::AbstractDocumentViewAdapter::zoomChanged () from /usr/lib/libgwenviewlib.so.4
#30 0xa98a2a24 in Gwenview::AbstractDocumentViewAdapter::qt_metacall () from /usr/lib/libgwenviewlib.so.4
#31 0xa98a8e5a in Gwenview::ImageViewAdapter::qt_metacall () from /usr/lib/libgwenviewlib.so.4
#32 0xb5c0ca58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#33 0xb5c0d6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#34 0xa98c0dbf in Gwenview::ImageView::zoomChanged () from /usr/lib/libgwenviewlib.so.4
#35 0xa98c2751 in Gwenview::ImageView::setZoom () from /usr/lib/libgwenviewlib.so.4
#36 0xa98c2a39 in Gwenview::ImageView::resizeEvent () from /usr/lib/libgwenviewlib.so.4
#37 0xb610b6d6 in QWidget::event () from /usr/lib/libQtGui.so.4
#38 0xb64e92c3 in QFrame::event () from /usr/lib/libQtGui.so.4
#39 0xb658933f in QAbstractScrollArea::viewportEvent () from /usr/lib/libQtGui.so.4
#40 0xb658b945 in ?? () from /usr/lib/libQtGui.so.4
#41 0xb5bf59ca in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4
#42 0xb60b4baa in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#43 0xb60bcfc2 in QApplication::notify () from /usr/lib/libQtGui.so.4
#44 0xb6cd93dd in KApplication::notify () from /usr/lib/libkdeui.so.5
#45 0xb5bf67ab in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#46 0xb6109fdc in QWidgetPrivate::sendPendingMoveAndResizeEvents () from /usr/lib/libQtGui.so.4
#47 0xb6110cd6 in QWidgetPrivate::show_helper () from /usr/lib/libQtGui.so.4
#48 0xb6111403 in QWidget::setVisible () from /usr/lib/libQtGui.so.4
#49 0xb61111d8 in QWidgetPrivate::showChildren () from /usr/lib/libQtGui.so.4
#50 0xb6110d01 in QWidgetPrivate::show_helper () from /usr/lib/libQtGui.so.4
#51 0xb6111403 in QWidget::setVisible () from /usr/lib/libQtGui.so.4
#52 0xb61111d8 in QWidgetPrivate::showChildren () from /usr/lib/libQtGui.so.4
#53 0xb6110d01 in QWidgetPrivate::show_helper () from /usr/lib/libQtGui.so.4
#54 0xb6111403 in QWidget::setVisible () from /usr/lib/libQtGui.so.4
#55 0xb61111d8 in QWidgetPrivate::showChildren () from /usr/lib/libQtGui.so.4
#56 0xb6110d01 in QWidgetPrivate::show_helper () from /usr/lib/libQtGui.so.4
#57 0xb6111403 in QWidget::setVisible () from /usr/lib/libQtGui.so.4
#58 0xb60f2991 in QStackedLayout::setCurrentIndex () from /usr/lib/libQtGui.so.4
#59 0xb60f2c80 in QStackedLayout::takeAt () from /usr/lib/libQtGui.so.4
#60 0xb60e0fbc in QLayout::removeWidget () from /usr/lib/libQtGui.so.4
#61 0xb65597cd in QStackedWidget::removeWidget () from /usr/lib/libQtGui.so.4
#62 0xb65692d8 in QTabWidget::removeTab () from /usr/lib/libQtGui.so.4
#63 0xb6de6cc0 in KTabWidget::Private::removeTab () from /usr/lib/libkdeui.so.5
#64 0xb6de6e05 in KTabWidget::removeTab () from /usr/lib/libkdeui.so.5
#65 0xaa418600 in ?? () from /usr/lib/kde4/akregatorpart.so
#66 0xaa419539 in ?? () from /usr/lib/kde4/akregatorpart.so
#67 0xb5c0ca58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#68 0xb5c0d6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#69 0xaa3f1303 in ?? () from /usr/lib/kde4/akregatorpart.so
#70 0xaa3f2aba in ?? () from /usr/lib/kde4/akregatorpart.so
#71 0xaa3f3591 in ?? () from /usr/lib/kde4/akregatorpart.so
#72 0xb5c0ca58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#73 0xb5c0d6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#74 0xaa416653 in ?? () from /usr/lib/kde4/akregatorpart.so
#75 0xaa416b66 in ?? () from /usr/lib/kde4/akregatorpart.so
#76 0xaa4194b8 in ?? () from /usr/lib/kde4/akregatorpart.so
#77 0xb5c0ca58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#78 0xb5c0d6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#79 0xb6de4593 in KTabWidget::closeRequest () from /usr/lib/libkdeui.so.5
#80 0xb6de4995 in KTabWidget::closeRequest () from /usr/lib/libkdeui.so.5
#81 0xb6de67c7 in KTabWidget::qt_metacall () from /usr/lib/libkdeui.so.5
#82 0xaa41943a in ?? () from /usr/lib/kde4/akregatorpart.so
#83 0xb5c0ca58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#84 0xb5c0d6e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#85 0xb655c5f3 in QTabBar::tabCloseRequested () from /usr/lib/libQtGui.so.4
#86 0xb655c94b in ?? () from /usr/lib/libQtGui.so.4
#87 0xb6566aee in QTabBar::qt_metacall () from /usr/lib/libQtGui.so.4
#88 0xb6de339a in KTabBar::qt_metacall () from /usr/lib/libkdeui.so.5
#89 0xb5c0ca58 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#90 0xb5c0ce90 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#91 0xb6770c81 in QAbstractButton::clicked () from /usr/lib/libQtGui.so.4
#92 0xb6499979 in ?? () from /usr/lib/libQtGui.so.4
#93 0xb649b5b4 in ?? () from /usr/lib/libQtGui.so.4
#94 0xb649b846 in QAbstractButton::mouseReleaseEvent () from /usr/lib/libQtGui.so.4
#95 0xb610b8c3 in QWidget::event () from /usr/lib/libQtGui.so.4
#96 0xb649981e in QAbstractButton::event () from /usr/lib/libQtGui.so.4
#97 0xb60b4bcc in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#98 0xb60bd851 in QApplication::notify () from /usr/lib/libQtGui.so.4
#99 0xb6cd93dd in KApplication::notify () from /usr/lib/libkdeui.so.5
#100 0xb5bf67ab in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#101 0xb60bc8be in QApplicationPrivate::sendMouseEvent () from /usr/lib/libQtGui.so.4
#102 0xb612caee in ?? () from /usr/lib/libQtGui.so.4
#103 0xb612bead in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#104 0xb615706a in ?? () from /usr/lib/libQtGui.so.4
#105 0xb4ccab88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#106 0xb4cce0eb in ?? () from /usr/lib/libglib-2.0.so.0
#107 0xb4cce268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#108 0xb5c221d8 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#109 0xb6156765 in ?? () from /usr/lib/libQtGui.so.4
#110 0xb5bf4dda in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#111 0xb5bf521a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#112 0xb5bf76c9 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#113 0xb60b4a47 in QApplication::exec () from /usr/lib/libQtGui.so.4
#114 0x0804bfef in _start ()

Reported using DrKonqi