Application: kontact (4.4.8)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-24-generic i686
Distribution: Ubuntu 10.04.2 LTS

-- Information about the crash:
I forwarded a mail, but did not notice that all mails in my inbox were selected.  So I canceled the downloading of the mails, and KMail crashed.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77c6990 (LWP 1684))]

Thread 2 (Thread 0xb247db70 (LWP 1813)):
#0  0x080fde16 in clock_gettime () from /lib/tls/i686/cmov/librt.so.1
#1  0x011216fb in qt_gettime () at kernel/qcore_unix.cpp:111
#2  0x01126825 in QTimerInfoList::updateCurrentTime (this=0xa082f44) at kernel/qeventdispatcher_unix.cpp:340
#3  0x0112686a in QTimerInfoList::timerWait (this=0xa082f44, tm=...) at kernel/qeventdispatcher_unix.cpp:443
#4  0x01124818 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xb247d0ac) at kernel/qeventdispatcher_glib.cpp:136
#5  0x011248a5 in timerSourcePrepare (source=0x0, timeout=0x8101ff4) at kernel/qeventdispatcher_glib.cpp:169
#6  0x03bf6aca in g_main_context_prepare () from /lib/libglib-2.0.so.0
#7  0x03bf6ee9 in ?? () from /lib/libglib-2.0.so.0
#8  0x03bf74b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#9  0x0112460f in QEventDispatcherGlib::processEvents (this=0xa083258, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#10 0x010f7059 in QEventLoop::processEvents (this=0xb247d270, flags=) at kernel/qeventloop.cpp:149
#11 0x010f74aa in QEventLoop::exec (this=0xb247d270, flags=...) at kernel/qeventloop.cpp:201
#12 0x00ff35a8 in QThread::exec (this=0xa04efb0) at thread/qthread.cpp:487
#13 0x010d6c1b in QInotifyFileSystemWatcherEngine::run (this=0xa04efb0) at io/qfilesystemwatcher_inotify.cpp:248
#14 0x00ff632e in QThreadPrivate::start (arg=0xa04efb0) at thread/qthread_unix.cpp:248
#15 0x0669296e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#16 0x00661a4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb77c6990 (LWP 1684)):
[KCrash Handler]
#6  0x05278a56 in KMCommand::slotTransferCancelled() () from /usr/lib/libkmailprivate.so.4
#7  0x05283c93 in KMCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#8  0x05284602 in KMForwardAttachedCommand::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkmailprivate.so.4
#9  0x010fdc9a in QMetaObject::metacall (object=0x9da83c8, cl=165315528, idx=12, argv=0xbf94c36c) at kernel/qmetaobject.cpp:237
#10 0x0110c3d5 in QMetaObject::activate (sender=0xab5d508, m=0xf7bb04, local_signal_index=12, argv=0x0) at kernel/qobject.cpp:3293
#11 0x00d16df7 in KDialog::cancelClicked (this=0xab5d508) at ./kdialog.moc:276
#12 0x00d193d8 in KDialog::slotButtonClicked (this=0xab5d508, button=32) at ../../kdeui/dialogs/kdialog.cpp:889
#13 0x00d1b5e9 in KDialog::qt_metacall (this=0xab5d508, _c=QMetaObject::InvokeMetaMethod, _id=33, _a=0xbf94c558) at ./kdialog.moc:190
#14 0x00d3d4fa in KProgressDialog::qt_metacall (this=0xab5d508, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbf94c558) at ./kprogressdialog.moc:69
#15 0x010fdc9a in QMetaObject::metacall (object=0xab5d508, cl=165315528, idx=69, argv=0xbf94c558) at kernel/qmetaobject.cpp:237
#16 0x0110c3d5 in QMetaObject::activate (sender=0xa7c2de0, m=0x120b0f8, local_signal_index=0, argv=0xbf94c558) at kernel/qobject.cpp:3293
#17 0x01111b13 in QSignalMapper::mapped (this=0xa7c2de0, _t1=32) at .moc/release-shared/moc_qsignalmapper.cpp:101
#18 0x01112d8d in QSignalMapper::map (this=0xa7c2de0, sender=0xaa7f458) at kernel/qsignalmapper.cpp:266
#19 0x01112f6e in QSignalMapper::map (this=0xa7c2de0) at kernel/qsignalmapper.cpp:257
#20 0x0111303b in QSignalMapper::qt_metacall (this=0xa7c2de0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbf94c6f8) at .moc/release-shared/moc_qsignalmapper.cpp:87
#21 0x010fdc9a in QMetaObject::metacall (object=0xa7c2de0, cl=165315528, idx=8, argv=0xbf94c6f8) at kernel/qmetaobject.cpp:237
#22 0x0110c3d5 in QMetaObject::activate (sender=0xaa7f458, m=0x27178c4, local_signal_index=2, argv=0xbf94c6f8) at kernel/qobject.cpp:3293
#23 0x02507479 in QAbstractButton::clicked (this=0xaa7f458, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#24 0x021e6ea9 in QAbstractButtonPrivate::emitClicked (this=0xa1174b0) at widgets/qabstractbutton.cpp:546
#25 0x021e7cf4 in QAbstractButtonPrivate::click (this=0xa1174b0) at widgets/qabstractbutton.cpp:539
#26 0x021e7fae in QAbstractButton::mouseReleaseEvent (this=0xaa7f458, e=0xbf94ce30) at widgets/qabstractbutton.cpp:1121
#27 0x01e3a7f8 in QWidget::event (this=0xaa7f458, event=0xbf94ce30) at kernel/qwidget.cpp:7998
#28 0x021e6d4e in QAbstractButton::event (this=0xaa7f458, e=0xae6c098) at widgets/qabstractbutton.cpp:1080
#29 0x022911f2 in QPushButton::event (this=0xaa7f458, e=0xbf94ce30) at widgets/qpushbutton.cpp:679
#30 0x01ddc4dc in QApplicationPrivate::notify_helper (this=0x99d13c0, receiver=0xaa7f458, e=0xbf94ce30) at kernel/qapplication.cpp:4300
#31 0x01de39f7 in QApplication::notify (this=0xbf94d6e4, receiver=0xaa7f458, e=0xbf94ce30) at kernel/qapplication.cpp:3865
#32 0x00db840a in KApplication::notify (this=0xbf94d6e4, receiver=0xaa7f458, event=0xbf94ce30) at ../../kdeui/kernel/kapplication.cpp:302
#33 0x010f8a3b in QCoreApplication::notifyInternal (this=0xbf94d6e4, receiver=0xaa7f458, event=0xbf94ce30) at kernel/qcoreapplication.cpp:704
#34 0x01de2952 in QCoreApplication::sendEvent (receiver=0xaa7f458, event=0xbf94ce30, alienWidget=0xaa7f458, nativeWidget=0xab5d508, buttonDown=0x2720058, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#35 QApplicationPrivate::sendMouseEvent (receiver=0xaa7f458, event=0xbf94ce30, alienWidget=0xaa7f458, nativeWidget=0xab5d508, buttonDown=0x2720058, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:2965
#36 0x01e6e088 in QETWidget::translateMouseEvent (this=0xab5d508, event=0xbf94d34c) at kernel/qapplication_x11.cpp:4368
#37 0x01e6d511 in QApplication::x11ProcessEvent (this=0xbf94d6e4, event=0xbf94d34c) at kernel/qapplication_x11.cpp:3379
#38 0x01e9c60a in x11EventSourceDispatch (s=0x99d4740, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#39 0x03bf35e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#40 0x03bf72d8 in ?? () from /lib/libglib-2.0.so.0
#41 0x03bf74b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#42 0x011245d5 in QEventDispatcherGlib::processEvents (this=0x99b0588, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#43 0x01e9c135 in QGuiEventDispatcherGlib::processEvents (this=0x99b0588, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#44 0x010f7059 in QEventLoop::processEvents (this=0xbf94d644, flags=) at kernel/qeventloop.cpp:149
#45 0x010f74aa in QEventLoop::exec (this=0xbf94d644, flags=...) at kernel/qeventloop.cpp:201
#46 0x010fb69f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#47 0x01ddc577 in QApplication::exec () at kernel/qapplication.cpp:3579
#48 0x0804b472 in _start ()

Reported using DrKonqi